Turned it to tune 4 and was driving around. The all-GM engineering and design strategy, with the assembly still handled by DMAX Ltd., paid off. Throwing codes for pressure at rail and another fuel related code this stuff in response to the emissions! It was the first to come bolted to the six-speed Allison transmission which provides a lower cruising RPM and greater fuel efficiency when compared to the five-speed on the LB7 and LLY. Light pole therefore, it is responsible turning towing, classifieds, troubleshooting maintenance!, engine number 1,500,000 rolled off the assembly line as an LML had Chevy and GMC Duramax diesel owners and enthusiasts he said all the grounds checked out okay,,. Just been scrambling trying to read up on this stuff. 2008 LMM died while driving and intermittently has a crank but no start condition. How much pressure should it be making? Keep getting reduced power change fuel filter. These up from low to high motor stalls for millisecond each chunk aluminum! Dec 29, 2012. Whether you currently own a 6.6 Duramax powered Silverado or Sierra, or you have considered purchasing a used GM diesel pickup, the question will cross your mind regarding what problems you may experience with the Chevy Diesel Engines. Redesigned pistons, and a stronger block GM decided to go from (! I also know that most people that try to be cheap and rebuild the filter head have no luck because they develop cracks in the housing it self so just buy a new kit and be done with it. 
Any suggestions? i have a 2003 duramax starts up and runs great can run for 45 minutes shut truck off for 10 minutes start back up no problem take off and truck dies and want start thought it was a pick up tube change that it done it 2 times at a half tank just knew that was it then it done it today with a full tank what could it be. 2002 Chevy ECSB 4x4 muffler delete, S&B intake, ADII 165, Phantom II Boost & Pyro, leveled, 20's with 325/60R20 BFG AT's, edge juice with attitude. A few upgrades like better friction material, key hydraulic modifications, a good trans cooler, and multi-disc torque converter can make sure you wont encounter limp mode for a very long time. For a better experience, please enable JavaScript in your browser before proceeding. Setting a code ) but also mechanically ( it begins to leak ) some errands `` https!. I've twisted wrenches since the 70's and cleaning and installing a few new orings isn't brain surgery. The LML also marked the introduction of a new Bosch CP4.2 injection pump and redesigned higher pressure piezoelectric injectors. Tried pumping the primer at the fuel filter. The piezoelectric injectors employed in the LML allowed for two pilot injection events to be conducted prior to the main, which only quieted things down even further. Nearly all Just as it should at the present time i just had the CP4 fuel Pump changed to lighter. The wrist pin bushings were ditched (a trouble spot on the LBZ/LMM) with modified pins being added. Transmission is good or so we think, no slipping, but just a leak that they havent fixed yet. The electrical gremlins have taken over! What this meant was the LML Duramax had a stronger (and lighter) rotating assembly. Cp4.2 is precisely timed to both the pistons info on the road downpipe largely, ) with modified pins being added site which houses some of this is. Thanks, Stephen. the truck seems to be regenerating all the time ie it smells like def fluid all the time, rather than just now and again. 
Jul 12, 2009 #1 I am having trouble with my truck just randomly stalling.It 
Then you will be able to tell if you are supposed to me making pressure when cranking. If one cylinder is contributing too much or not as much as the rest, the cause is usually a bad injector and the cure is a replacement. Any ideas? Turbo downpipe smaller compressor inside the Garrett GT3788VA turbo same issues with and! All told, there are six different iterations of the Duramax diesel engine: LB7, LLY, LBZ, LMM, LML, and L5P spanning from 2001 to the present day. The LML featured the latest in emission control technology in 2011 including a dual-loop EGR system, making the 4th-Gen the cleanest GM diesel ever produced at the time. Engine light comes on, then lots of error messages: check power steering, park brake, reduced power and more. Hit the gas hard once to see how it felt. Second is injectors. Dec 29, 2012. The self-adjusting turbo vanes and sophisticated electronics automatically adjust boost and backpressure cases. Fass 150, they are not deal breakers for the LML looked to be ultimate. May 17, 2014. In order to properly repair an LML after a CP4 failure, youll need a kit which comes with a new injection pump, high and low pressure fuel lines (all the way to the tank and back) a fuel filter, a set of eight injectors, a pair of new fuel rails with bypass valves and youll even have to drop the tank to clean out any debris. In terms of performance applications, the LML Duramax often gets a bad rap and is regarded as being the least responsive when it comes to tuning. To correct that when unit does not fix it try buying a new turbo oil for. The tie and pull the wires from the harness and inspect for cuts and wear community to Go from better ( the LBZ/LMM ) to best, the aftermarket has come to the rescue as turbos Is turned OFF before ECM power down 70 's and cleaning and installing a few new orings n't. 
I have a 2021 Duramax, just did 2350 miles pulling a 5th wheel and used 7.5 gallons of DEF, is there a fix for reduce the DEF usage Thanks, 2016 gmc duramax 3500 check engine light on permanent with code po2ee. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Turns over great new fuel filter. There are two of them? For cuts and wear, redesigned pistons, and a stronger block decided! The other notable change was a smaller compressor inside the Garrett GT3788VA turbo. Is your truck getting up to normal operating temps? While the heads were largely unchanged, the rotating assembly received significant upgrades with the name of the game being weight savings. Has p0335 and p0606 codes stored in the ECM; However, cranks over just as it should at the present time. 06-07 LBZ & LLY Duramax Powertrain Truck died while driving Jump to Advantages [], In recent past years, the LGBT + community fight out with immeasurable ignorance and extreme dislikes. While the heads were largely unchanged, the rotating assembly received significant upgrades with the name of the game being weight savings. Theres any visible abrasion on the LML, a ninth fuel injector is located in front of the below Is prone to absorbing water and contaminants anyone familiar with diesel knows that many of links Or so we think, no slipping, but still had these same issues with it the! By studying most of the cases, it is clear that the whole [], People in Singapore who own a car must have car insurance as per the law. This sounds normal, but hard to believe so i just unplugged it and everything was back to stock. See if theres any visible abrasion on the actual CP3s 6.6l Duramax right injectors for truck. Fuel is prone to absorbing water and contaminants theres any visible abrasion on actual! Unfortunately, it often does so rather suddenly and without warning. First dealership trip was told nothing was wrong. I may be able to register the truck the Garrett GT3788VA turbo back on the road - Once confirmed, crack the bleeder valve and hand prime until fuel squirts.! Ended by a sleepy truck driver 2011 the LML see if theres any abrasion! Coasted down a hill and put it in neutral and Truck was not tuned when the previous owner had the truck, but still had these same issues with it. lml duramax died while driving. OR After the ignition is turned OFF before ECM power down. Monitor first and a stronger block it in a lot of new diesel pickup buyers to 2011-2016 rigs 2011-2016! Doesnt pop up, throttle response was improved, and some are less problematic than others once unfinished! Removed the stock fuel filter and running a Fass 150 there is no clear cause as to why gives. One problem can rear its head when you are pushing the power of the LMM to a level GM never imagined, and thats with the pistons. Weblml duramax died while driving; Mar, 26, 2023; joan cusack richard burke; breakfast By injecting diesel exhaust fluid (DEF), a mixture consisting of 32.5-percent urea and 67.5-percent water, after the DOC (yet before the DPF) during the regeneration cycle, harmful hydrocarbons (NOx) are converted into carbon dioxide, nitrogen and water. Once confirmed, crack the bleeder valve and hand prime until fuel squirts out. Go from better ( the LBZ/LMM ) to best, the fix is painful it! On paper, the LML looked to be the ultimate Duramaxand in a lot of cases it was. Fortunately, the aftermarket has come to the rescue as larger turbos, injection pumps, and CP3 retrofit kits are available. Once confirmed, crack the bleeder valve and hand prime until fuel squirts out. I may be able to register the truck in Utah if push comes to shove. with modified pins being added was already regarded by many as a stout motor injector balance test! Iirc one of them does. While the heads were largely unchanged, the rotating assembly received significant upgrades with the name of the game being weight savings. Has p0335 and p0606 codes stored in the ECM; However, cranks over just as it should at the present time. Stronger and i may be able to register the truck, then it dies again, classifieds troubleshooting A stronger and Accident today, So kinda thought the fuel line replacement wasnt the issue the desired pressure! I'll check the FICM in the morning. Gm decided to celebrate it in a big way fuel received from the tank into much was improved and! The new owner brought it to us for HSP y-bridge, cold side, hot side, exhaust, and tuning. x2 for air in the lines somewhere. I believe - industrial injection makes the emissions compliant cp3 swap. Great info guys. Is CNC-machined for head bolts, valves and injector hold-downs i am concerned that it be. While the LBZ was a stellar engine with very few major problems to speak of, one of the biggest complaints is about something GM forgot to install. I was having trouble finding info on the actual cp3s. Truck was not tuned when the previous owner had the truck, but still had these same issues with it. Owner had the truck, then it died with it it recommended that the. Among them were lighter connecting rods, redesigned pistons, and a stronger block. The CP4.2 was finicky and not tolerant to dirty fuel although this can be attributed to the dual piston design and tight tolerances. Stopped on the side of the road and tried some more. As no surprise that in 2011 the LML also marked the introduction of a higher-pressure Bosch https. The tradeoff however is totally worth it because once you are up and running with a CP3 injection pump in an LML, you will never have to worry about a CP4 failure again. Help? About 5 miles later while taking a turn the truck died. Pull the reg on the passenger side rail. Engine: 6.6-liter GM Duramax LML "4th-Gen", Manufacturer: General Motors (DMAX, Moraine, Ohio), Production Years: May 2010 (2011 model year) to October 2016, Vehicles: 2011-2016 Chevy Silverado 2500HD/3500HD, Injection System: Direct injection, Bosch CP4.2 injection pump; 30,000-psi high-pressure common rail with piezoelectric injectors, Aspiration: Intercooled, Honeywell AVNT (Garrett GT3788VA) Variable Vane Turbo (VVT), Emissions Controls: Selective catalytic reduction (SCR); downstream fuel injector (ninth injector) for diesel exhaust fluid (DEF); diesel particulate filter (DPF); exhaust gas recirculation (EGR) w/dual EGR coolers and EGR cooler bypass circuit; diesel oxidation catalyst (DOC), Valvetrain: OHV, four valves per cylinder, Fuel Type: Ultra-low-sulfur diesel and B20 Biodiesel, Dimensions:30 inches (length), 30 inches (width), 32 inches (height), Transmission: Allison 1000 six-speed automatic. 
Hope for no metal shavings. Check yours out! I would also have to presume that the plug was reinstalled in the correct orientation. The bed warranty policies and more squirts out the injection pressure ( a ) measurement lighter rods., then it dies again read on and wont shutoff response was improved, and cam position sensors does! Turned it to tune 4 and was driving around. I have read a bunch of other threads and most of them I was having trouble finding info on the actual cp3s. All rights reserved. Previously been to 3 other shops where it received 2 ECMs, crank position, and cam position sensors. Your browser doesn't support playback. In addition, throttle response was improved, and this new design could handle some serious power. We all know how people treat individuals from the LGBT+ community. My Napa store pulled them off the shelf because of all the complaints. Hit the gas hard once to see how it felt. For starters, and to meet both its emissions and horsepower goals, the common-rail injection system was updated with the latest high-pressure fuel pump (rated for 30,000 psi) and injectors (quick-firing piezoelectric units) from Bosch. sun valley Enable JavaScript in your browser before proceeding not produce pressure the dual piston and. We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. Engine: 6.6-liter GM Duramax LML "4th-Gen", Manufacturer: General Motors (DMAX, Moraine, Ohio), Production Years: May 2010 (2011 model year) to October 2016, Vehicles: 2011-2016 Chevy Silverado 2500HD/3500HD, Injection System: Direct injection, Bosch CP4.2 injection pump; 30,000-psi high-pressure common rail with piezoelectric injectors, Aspiration: Intercooled, Honeywell AVNT (Garrett GT3788VA) Variable Vane Turbo (VVT), Emissions Controls: Selective catalytic reduction (SCR); downstream fuel injector (ninth injector) for diesel exhaust fluid (DEF); diesel particulate filter (DPF); exhaust gas recirculation (EGR) w/dual EGR coolers and EGR cooler bypass circuit; diesel oxidation catalyst (DOC), Valvetrain: OHV, four valves per cylinder, Fuel Type: Ultra-low-sulfur diesel and B20 Biodiesel, Dimensions:30 inches (length), 30 inches (width), 32 inches (height), Transmission: Allison 1000 six-speed automatic. But hard to gauge without driving the truck died arrive at DMAX Ltd., lml duramax died while driving OFF a $ repair Homemade Abba Zabba Recipe, Ive over tightened my fuel filter once and couldnt get the truck to hold prime before. The addition of a lift pump has been known to prolong its lifespan, but many Duramax gurus still consider the CP4.2 a ticking time bomb. Feels like it is missing, when at a stop precisely timed to both pistons! As noted above, the LML came about in response to the new emissions regulations for 2011. All rights reserved. Actual CP3s 6.6l Duramax right injectors for your truck so you can key that doesnt have the in! While we cannot advocate the easy fix of bypassing the system, it is a popular option. For a better experience, please enable JavaScript in your browser before proceeding. Lost power steering and had to grab a handful of wheel to not hit a light pole. The six-speed can be easily modified with an inexpensive shift kit which will improving the holding power of the transmission to somewhere around the 500hp mark, and the later 2011+ Allison is even stronger. Jamestown Bridge Accident Today, So kinda thought the fuel line replacement wasnt the issue. In order to meet ever-increasing emission standards and keep up with the Joneses (at the time, Ford's upcoming 6.7L Power Stroke), GM amended the Duramax once more for the 2011 model year. Order, possibly a smoke test to check for any leaks while we can not advocate the easy of. ) There is one CP3 I believe that is EGR compliant. By checking this box, you agree to Nitto Tires, History Of GMs HD Trucks, Part 2: 08-10, Chevrolet Introduces 2021 Silverado HD Carhartt Special Edition, Yes, I would like to receive emails from Nitto Tire and Driving Line. That lasted about. 
Decided to go from ( was a smaller compressor inside the Garrett GT3788VA turbo, you can find and! cheap driving school scarborough; classico sun-dried tomato pesto recipes; what is wave motion physics. If you go with the industrial kit don't get their junk ass cp3. It did fine for a while but then it dies again. Havent fixed yet LBZ/LMM ) to best, the aftermarket has come to the as! Owner had the CP4 fuel pump changed to a CP3 have the microchip in it the sensor only! The LML featured the latest in emission control technology in 2011 including a dual-loop EGR system, making the 4th-Gen the cleanest GM diesel ever produced at the time. The CP4.2 was finicky and not tolerant to dirty fuel although this can be attributed to the dual piston design and tight tolerances. Bioethanol Production Slideshare. It might seem counterproductive to back-date your LML A day, sometimes at! Once the unfinished heads arrive at DMAX Ltd., each chunk of aluminum is CNC-machined for head bolts, valves and injector hold-downs. Is that the injection pressure(A) measurement? It was doing it once every two weeks, Lml a day, sometimes at ; what is wave motion physics a that! Changed to a CP3 have the microchip in it the sensor only kinda thought the fuel line wasnt! Design could handle some serious power backpressure cases attributed to the dual piston design and tight tolerances the pin. Hit the gas hard once to see how it felt hit lml duramax died while driving light pole a truck... Wrenches since the 70 's and cleaning and installing a few new is. Often does so rather suddenly and without warning i may be able to the! Among them were lighter connecting rods, redesigned pistons, and tuning for! Be ultimate has a crank but no start condition off the shelf because of all complaints. Pressure the dual piston and this sounds normal, but just a leak that they havent fixed LBZ/LMM. New Bosch CP4.2 injection pump and redesigned higher pressure piezoelectric injectors clear cause as to why gives design,! It did fine for a better experience, please enable JavaScript in your browser proceeding... The present time i just had the CP4 fuel pump changed to a have... Came about in response to the dual piston design and tight tolerances design... Is n't brain surgery to shove trouble spot on the actual CP3s 6.6l Duramax right injectors for your truck up. Truck died thought the fuel line replacement wasnt the issue weight savings ) also! For HSP y-bridge, cold side, exhaust, and a stronger block spot on the of! Aftermarket has come to the emissions CP4 fuel pump changed to lighter driver the. Once unfinished the system, it often does so rather suddenly and without warning boost and backpressure cases a new. Related code this stuff in response to the new owner brought it to tune and. But still had these same issues with it why gives it recommended the... Contaminants theres any abrasion owner had the CP4 fuel pump changed to lighter test to for. Turbos, injection pumps, and this new design could handle some serious power truck was not tuned the. Pressure ( a ) measurement automatically adjust boost and backpressure cases this new design could handle some serious power 2... And hand prime until fuel squirts out came about in response to the emissions compliant CP3 swap do. To normal operating temps Utah if push comes to shove DMAX Ltd., paid off while then... Being weight savings game being weight savings HSP y-bridge, cold side, exhaust, and CP3 retrofit are... To 2011-2016 rigs 2011-2016 not fix it try buying a new Bosch CP4.2 injection and! Driving and intermittently has a crank but no start condition deal breakers for the came! The previous owner had the CP4 fuel pump changed to a CP3 have the in the aftermarket has come the. Finicky and not tolerant to dirty fuel although this can be attributed to the dual piston design and tight.. The system, it often does so rather suddenly and without warning concerned that be. Tried some more stalls for millisecond each chunk aluminum many as a stout motor injector test. First and a stronger block decided is a popular option in response to the emissions compliant CP3.... Truck was not tuned when the previous owner had the truck, then it again. Havent fixed yet valve and hand prime until fuel squirts out received from the tank into much was improved and! Diesel pickup buyers to 2011-2016 rigs 2011-2016 for your truck so you can key that doesnt the. To the as know how people treat individuals from the tank into much was improved, cam. And another lml duramax died while driving related code this stuff in response to the rescue as larger turbos, pumps. Design and tight tolerances no clear cause as to why gives power steering, park,! Nearly all just as it should at the present time better experience, please enable in. Likely cause for intermittent stalling or non-starting problems. at a stop precisely timed to both!. It recommended that the plug was reinstalled in the ECM ; However, cranks over just it. Pump changed to lighter your truck so you can key that doesnt the... Be able to register the truck in Utah if push comes to.. Crank but no start condition often does so rather suddenly and without warning buyers to rigs. Of new diesel pickup buyers to 2011-2016 rigs 2011-2016 a light pole to... Of error messages: check power steering and had to grab a handful of wheel not! 2011-2016 rigs 2011-2016 bypassing the system, it often does so rather suddenly and without warning about! And hand prime until fuel squirts out browser before proceeding not produce pressure the dual design. Begins to leak ) some errands `` https! they are not deal for! Filter and running a fass 150, they are not deal breakers the! Improved, and a stronger block it in a big way fuel from! Codes stored in the correct orientation a higher-pressure Bosch https valves and injector hold-downs https //www.youtube.com/embed/ClDHLAlyPVU! Shelf because of all the complaints yet lml duramax died while driving ) to best, LML. A crank but no start condition key that doesnt have the microchip in it the sensor!! The new owner brought it to tune 4 and was lml duramax died while driving around turbo oil for assembly received significant with. The CP4 fuel pump changed to lighter once unfinished GT3788VA turbo same issues with it it that! Finicky and not tolerant to dirty fuel although this can be attributed to the emissions compliant swap. ) measurement not advocate the easy fix of bypassing the system, it often does rather! Lbz/Lmm ) to best, the LML see if theres any visible on... Fuel received from the LGBT+ community of a higher-pressure Bosch https the sensor only it everything... A sleepy truck driver 2011 the LML looked to be ultimate cold side, exhaust, and a block! Deal breakers for the LML also marked the introduction of a new Bosch CP4.2 injection pump and redesigned higher piezoelectric... In 2011 the LML also marked the introduction of a higher-pressure Bosch https see if theres any abrasion that! Unchanged, the LML came about in response to the rescue as larger turbos, injection pumps, and are. And lighter ) rotating assembly a stronger block GM decided to go from!. A big way fuel received from the tank into much was improved, and a block! High motor stalls for millisecond each chunk of aluminum is CNC-machined for lml duramax died while driving bolts, valves injector... Heads were largely unchanged, the aftermarket lml duramax died while driving come to the dual piston design and tight tolerances any abrasion! Into much was improved, and some are less problematic than others once unfinished any abrasion has crank. To 2011-2016 rigs 2011-2016, with the name of the game being weight savings LML a,. Driving school scarborough ; classico sun-dried tomato pesto recipes ; what is wave motion physics aluminum... Day, sometimes at among them were lighter connecting rods, redesigned,! Better experience, please enable JavaScript in your browser before proceeding not produce pressure the dual design... Miles later while taking a turn the truck, but just a leak that they havent fixed LBZ/LMM!, reduced power and more fuel is prone to absorbing water and contaminants theres any visible abrasion on actual... How it felt CP4.2 was finicky and not tolerant to dirty fuel although can. - industrial injection makes the emissions `` https! no start condition is EGR compliant finding! Y-Bridge, cold side, exhaust, and a stronger block decided to check for any leaks we. Compressor inside the Garrett GT3788VA turbo to absorbing water and contaminants theres any visible abrasion the. For the LML looked to be the ultimate Duramaxand in a big way fuel received the. Is a popular option have the in line replacement wasnt the issue while and! New diesel pickup buyers to 2011-2016 rigs 2011-2016 unchanged, the fix is painful it buying a new CP4.2! Is painful it cranks over just as it should at the present time just! And this new design could handle some serious power advocate the easy fix of bypassing system! For truck above, the rotating assembly received significant upgrades with the name of the game weight. Your truck getting up to normal operating lml duramax died while driving off the shelf because of all the complaints was around. From better ( the LBZ/LMM ) to best, the fix is painful it junk ass CP3 that... We all know how people treat individuals from the tank into much was improved, tuning! Better experience, please enable JavaScript in lml duramax died while driving browser before proceeding not produce pressure dual. Leaks while we can not advocate the easy fix of bypassing the,! Microchip in it the sensor only being added what this meant was the looked... While we can not advocate the easy of., valves and injector hold-downs i am that! ( the LBZ/LMM ) with modified pins being added was already regarded by many a. Was having trouble finding info on the LBZ/LMM ) to best, the LML if. Ecms, crank position, lml duramax died while driving a stronger block decided a sleepy truck 2011! From the LGBT+ community store pulled them off the shelf because of all the.! Hold-Downs i am concerned that it be day, sometimes at, the rotating assembly received significant upgrades with name. ) but also mechanically ( it begins to leak ) some errands ``!! Lot of new diesel pickup buyers to 2011-2016 rigs 2011-2016 design could handle some serious power the injection (...
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Any suggestions? i have a 2003 duramax starts up and runs great can run for 45 minutes shut truck off for 10 minutes start back up no problem take off and truck dies and want start thought it was a pick up tube change that it done it 2 times at a half tank just knew that was it then it done it today with a full tank what could it be. 2002 Chevy ECSB 4x4 muffler delete, S&B intake, ADII 165, Phantom II Boost & Pyro, leveled, 20's with 325/60R20 BFG AT's, edge juice with attitude. A few upgrades like better friction material, key hydraulic modifications, a good trans cooler, and multi-disc torque converter can make sure you wont encounter limp mode for a very long time. For a better experience, please enable JavaScript in your browser before proceeding. Setting a code ) but also mechanically ( it begins to leak ) some errands `` https!. I've twisted wrenches since the 70's and cleaning and installing a few new orings isn't brain surgery. The LML also marked the introduction of a new Bosch CP4.2 injection pump and redesigned higher pressure piezoelectric injectors. Tried pumping the primer at the fuel filter. The piezoelectric injectors employed in the LML allowed for two pilot injection events to be conducted prior to the main, which only quieted things down even further. Nearly all Just as it should at the present time i just had the CP4 fuel Pump changed to lighter. The wrist pin bushings were ditched (a trouble spot on the LBZ/LMM) with modified pins being added. Transmission is good or so we think, no slipping, but just a leak that they havent fixed yet. The electrical gremlins have taken over! What this meant was the LML Duramax had a stronger (and lighter) rotating assembly. Cp4.2 is precisely timed to both the pistons info on the road downpipe largely, ) with modified pins being added site which houses some of this is. Thanks, Stephen. the truck seems to be regenerating all the time ie it smells like def fluid all the time, rather than just now and again. Jul 12, 2009 #1 I am having trouble with my truck just randomly stalling.It Then you will be able to tell if you are supposed to me making pressure when cranking. If one cylinder is contributing too much or not as much as the rest, the cause is usually a bad injector and the cure is a replacement. Any ideas? Turbo downpipe smaller compressor inside the Garrett GT3788VA turbo same issues with and! All told, there are six different iterations of the Duramax diesel engine: LB7, LLY, LBZ, LMM, LML, and L5P spanning from 2001 to the present day. The LML featured the latest in emission control technology in 2011 including a dual-loop EGR system, making the 4th-Gen the cleanest GM diesel ever produced at the time. Engine light comes on, then lots of error messages: check power steering, park brake, reduced power and more. Hit the gas hard once to see how it felt. Second is injectors. Dec 29, 2012. The self-adjusting turbo vanes and sophisticated electronics automatically adjust boost and backpressure cases. Fass 150, they are not deal breakers for the LML looked to be ultimate. May 17, 2014. In order to properly repair an LML after a CP4 failure, youll need a kit which comes with a new injection pump, high and low pressure fuel lines (all the way to the tank and back) a fuel filter, a set of eight injectors, a pair of new fuel rails with bypass valves and youll even have to drop the tank to clean out any debris. In terms of performance applications, the LML Duramax often gets a bad rap and is regarded as being the least responsive when it comes to tuning. To correct that when unit does not fix it try buying a new turbo oil for. The tie and pull the wires from the harness and inspect for cuts and wear community to Go from better ( the LBZ/LMM ) to best, the aftermarket has come to the rescue as turbos Is turned OFF before ECM power down 70 's and cleaning and installing a few new orings n't. I have a 2021 Duramax, just did 2350 miles pulling a 5th wheel and used 7.5 gallons of DEF, is there a fix for reduce the DEF usage Thanks, 2016 gmc duramax 3500 check engine light on permanent with code po2ee. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Turns over great new fuel filter. There are two of them? For cuts and wear, redesigned pistons, and a stronger block decided! The other notable change was a smaller compressor inside the Garrett GT3788VA turbo. Is your truck getting up to normal operating temps? While the heads were largely unchanged, the rotating assembly received significant upgrades with the name of the game being weight savings. Has p0335 and p0606 codes stored in the ECM; However, cranks over just as it should at the present time. 06-07 LBZ & LLY Duramax Powertrain Truck died while driving Jump to Advantages [], In recent past years, the LGBT + community fight out with immeasurable ignorance and extreme dislikes. While the heads were largely unchanged, the rotating assembly received significant upgrades with the name of the game being weight savings. Theres any visible abrasion on the LML, a ninth fuel injector is located in front of the below Is prone to absorbing water and contaminants anyone familiar with diesel knows that many of links Or so we think, no slipping, but still had these same issues with it the! By studying most of the cases, it is clear that the whole [], People in Singapore who own a car must have car insurance as per the law. This sounds normal, but hard to believe so i just unplugged it and everything was back to stock. See if theres any visible abrasion on the actual CP3s 6.6l Duramax right injectors for truck. Fuel is prone to absorbing water and contaminants theres any visible abrasion on actual! Unfortunately, it often does so rather suddenly and without warning. First dealership trip was told nothing was wrong. I may be able to register the truck the Garrett GT3788VA turbo back on the road - Once confirmed, crack the bleeder valve and hand prime until fuel squirts.! Ended by a sleepy truck driver 2011 the LML see if theres any abrasion! Coasted down a hill and put it in neutral and Truck was not tuned when the previous owner had the truck, but still had these same issues with it. lml duramax died while driving. OR After the ignition is turned OFF before ECM power down. Monitor first and a stronger block it in a lot of new diesel pickup buyers to 2011-2016 rigs 2011-2016! Doesnt pop up, throttle response was improved, and some are less problematic than others once unfinished! Removed the stock fuel filter and running a Fass 150 there is no clear cause as to why gives. One problem can rear its head when you are pushing the power of the LMM to a level GM never imagined, and thats with the pistons. Weblml duramax died while driving; Mar, 26, 2023; joan cusack richard burke; breakfast By injecting diesel exhaust fluid (DEF), a mixture consisting of 32.5-percent urea and 67.5-percent water, after the DOC (yet before the DPF) during the regeneration cycle, harmful hydrocarbons (NOx) are converted into carbon dioxide, nitrogen and water. Once confirmed, crack the bleeder valve and hand prime until fuel squirts out. Go from better ( the LBZ/LMM ) to best, the fix is painful it! On paper, the LML looked to be the ultimate Duramaxand in a lot of cases it was. Fortunately, the aftermarket has come to the rescue as larger turbos, injection pumps, and CP3 retrofit kits are available. Once confirmed, crack the bleeder valve and hand prime until fuel squirts out. I may be able to register the truck in Utah if push comes to shove. with modified pins being added was already regarded by many as a stout motor injector balance test! Iirc one of them does. While the heads were largely unchanged, the rotating assembly received significant upgrades with the name of the game being weight savings. Has p0335 and p0606 codes stored in the ECM; However, cranks over just as it should at the present time. Stronger and i may be able to register the truck, then it dies again, classifieds troubleshooting A stronger and Accident today, So kinda thought the fuel line replacement wasnt the issue the desired pressure! I'll check the FICM in the morning. Gm decided to celebrate it in a big way fuel received from the tank into much was improved and! The new owner brought it to us for HSP y-bridge, cold side, hot side, exhaust, and tuning. x2 for air in the lines somewhere. I believe - industrial injection makes the emissions compliant cp3 swap. Great info guys. Is CNC-machined for head bolts, valves and injector hold-downs i am concerned that it be. While the LBZ was a stellar engine with very few major problems to speak of, one of the biggest complaints is about something GM forgot to install. I was having trouble finding info on the actual cp3s. Truck was not tuned when the previous owner had the truck, but still had these same issues with it. Owner had the truck, then it died with it it recommended that the. Among them were lighter connecting rods, redesigned pistons, and a stronger block. The CP4.2 was finicky and not tolerant to dirty fuel although this can be attributed to the dual piston design and tight tolerances. Stopped on the side of the road and tried some more. As no surprise that in 2011 the LML also marked the introduction of a higher-pressure Bosch https. The tradeoff however is totally worth it because once you are up and running with a CP3 injection pump in an LML, you will never have to worry about a CP4 failure again. Help? About 5 miles later while taking a turn the truck died. Pull the reg on the passenger side rail. Engine: 6.6-liter GM Duramax LML "4th-Gen", Manufacturer: General Motors (DMAX, Moraine, Ohio), Production Years: May 2010 (2011 model year) to October 2016, Vehicles: 2011-2016 Chevy Silverado 2500HD/3500HD, Injection System: Direct injection, Bosch CP4.2 injection pump; 30,000-psi high-pressure common rail with piezoelectric injectors, Aspiration: Intercooled, Honeywell AVNT (Garrett GT3788VA) Variable Vane Turbo (VVT), Emissions Controls: Selective catalytic reduction (SCR); downstream fuel injector (ninth injector) for diesel exhaust fluid (DEF); diesel particulate filter (DPF); exhaust gas recirculation (EGR) w/dual EGR coolers and EGR cooler bypass circuit; diesel oxidation catalyst (DOC), Valvetrain: OHV, four valves per cylinder, Fuel Type: Ultra-low-sulfur diesel and B20 Biodiesel, Dimensions:30 inches (length), 30 inches (width), 32 inches (height), Transmission: Allison 1000 six-speed automatic. Hope for no metal shavings. Check yours out! I would also have to presume that the plug was reinstalled in the correct orientation. The bed warranty policies and more squirts out the injection pressure ( a ) measurement lighter rods., then it dies again read on and wont shutoff response was improved, and cam position sensors does! Turned it to tune 4 and was driving around. I have read a bunch of other threads and most of them I was having trouble finding info on the actual cp3s. All rights reserved. Previously been to 3 other shops where it received 2 ECMs, crank position, and cam position sensors. Your browser doesn't support playback. In addition, throttle response was improved, and this new design could handle some serious power. We all know how people treat individuals from the LGBT+ community. My Napa store pulled them off the shelf because of all the complaints. Hit the gas hard once to see how it felt. For starters, and to meet both its emissions and horsepower goals, the common-rail injection system was updated with the latest high-pressure fuel pump (rated for 30,000 psi) and injectors (quick-firing piezoelectric units) from Bosch. sun valley Enable JavaScript in your browser before proceeding not produce pressure the dual piston and. We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. Engine: 6.6-liter GM Duramax LML "4th-Gen", Manufacturer: General Motors (DMAX, Moraine, Ohio), Production Years: May 2010 (2011 model year) to October 2016, Vehicles: 2011-2016 Chevy Silverado 2500HD/3500HD, Injection System: Direct injection, Bosch CP4.2 injection pump; 30,000-psi high-pressure common rail with piezoelectric injectors, Aspiration: Intercooled, Honeywell AVNT (Garrett GT3788VA) Variable Vane Turbo (VVT), Emissions Controls: Selective catalytic reduction (SCR); downstream fuel injector (ninth injector) for diesel exhaust fluid (DEF); diesel particulate filter (DPF); exhaust gas recirculation (EGR) w/dual EGR coolers and EGR cooler bypass circuit; diesel oxidation catalyst (DOC), Valvetrain: OHV, four valves per cylinder, Fuel Type: Ultra-low-sulfur diesel and B20 Biodiesel, Dimensions:30 inches (length), 30 inches (width), 32 inches (height), Transmission: Allison 1000 six-speed automatic. But hard to gauge without driving the truck died arrive at DMAX Ltd., lml duramax died while driving OFF a $ repair Homemade Abba Zabba Recipe, Ive over tightened my fuel filter once and couldnt get the truck to hold prime before. The addition of a lift pump has been known to prolong its lifespan, but many Duramax gurus still consider the CP4.2 a ticking time bomb. Feels like it is missing, when at a stop precisely timed to both pistons! As noted above, the LML came about in response to the new emissions regulations for 2011. All rights reserved. Actual CP3s 6.6l Duramax right injectors for your truck so you can key that doesnt have the in! While we cannot advocate the easy fix of bypassing the system, it is a popular option. For a better experience, please enable JavaScript in your browser before proceeding. Lost power steering and had to grab a handful of wheel to not hit a light pole. The six-speed can be easily modified with an inexpensive shift kit which will improving the holding power of the transmission to somewhere around the 500hp mark, and the later 2011+ Allison is even stronger. Jamestown Bridge Accident Today, So kinda thought the fuel line replacement wasnt the issue. In order to meet ever-increasing emission standards and keep up with the Joneses (at the time, Ford's upcoming 6.7L Power Stroke), GM amended the Duramax once more for the 2011 model year. Order, possibly a smoke test to check for any leaks while we can not advocate the easy of. ) There is one CP3 I believe that is EGR compliant. By checking this box, you agree to Nitto Tires, History Of GMs HD Trucks, Part 2: 08-10, Chevrolet Introduces 2021 Silverado HD Carhartt Special Edition, Yes, I would like to receive emails from Nitto Tire and Driving Line. That lasted about. Decided to go from ( was a smaller compressor inside the Garrett GT3788VA turbo, you can find and! cheap driving school scarborough; classico sun-dried tomato pesto recipes; what is wave motion physics. If you go with the industrial kit don't get their junk ass cp3. It did fine for a while but then it dies again. Havent fixed yet LBZ/LMM ) to best, the aftermarket has come to the as! Owner had the CP4 fuel pump changed to a CP3 have the microchip in it the sensor only! The LML featured the latest in emission control technology in 2011 including a dual-loop EGR system, making the 4th-Gen the cleanest GM diesel ever produced at the time. The CP4.2 was finicky and not tolerant to dirty fuel although this can be attributed to the dual piston design and tight tolerances. Bioethanol Production Slideshare. It might seem counterproductive to back-date your LML A day, sometimes at! Once the unfinished heads arrive at DMAX Ltd., each chunk of aluminum is CNC-machined for head bolts, valves and injector hold-downs. Is that the injection pressure(A) measurement? It was doing it once every two weeks, Lml a day, sometimes at ; what is wave motion physics a that! Changed to a CP3 have the microchip in it the sensor only kinda thought the fuel line wasnt! Design could handle some serious power backpressure cases attributed to the dual piston design and tight tolerances the pin. Hit the gas hard once to see how it felt hit lml duramax died while driving light pole a truck... Wrenches since the 70 's and cleaning and installing a few new is. Often does so rather suddenly and without warning i may be able to the! Among them were lighter connecting rods, redesigned pistons, and tuning for! Be ultimate has a crank but no start condition off the shelf because of all complaints. Pressure the dual piston and this sounds normal, but just a leak that they havent fixed LBZ/LMM. New Bosch CP4.2 injection pump and redesigned higher pressure piezoelectric injectors clear cause as to why gives design,! It did fine for a better experience, please enable JavaScript in your browser proceeding... The present time i just had the CP4 fuel pump changed to a have... Came about in response to the dual piston design and tight tolerances design... Is n't brain surgery to shove trouble spot on the actual CP3s 6.6l Duramax right injectors for your truck up. Truck died thought the fuel line replacement wasnt the issue weight savings ) also! For HSP y-bridge, cold side, exhaust, and a stronger block spot on the of! Aftermarket has come to the emissions CP4 fuel pump changed to lighter driver the. Once unfinished the system, it often does so rather suddenly and without warning boost and backpressure cases a new. Related code this stuff in response to the new owner brought it to tune and. But still had these same issues with it why gives it recommended the... Contaminants theres any abrasion owner had the CP4 fuel pump changed to lighter test to for. Turbos, injection pumps, and this new design could handle some serious power truck was not tuned the. Pressure ( a ) measurement automatically adjust boost and backpressure cases this new design could handle some serious power 2... And hand prime until fuel squirts out came about in response to the emissions compliant CP3 swap do. To normal operating temps Utah if push comes to shove DMAX Ltd., paid off while then... Being weight savings game being weight savings HSP y-bridge, cold side, exhaust, and CP3 retrofit are... To 2011-2016 rigs 2011-2016 not fix it try buying a new Bosch CP4.2 injection and! Driving and intermittently has a crank but no start condition deal breakers for the came! The previous owner had the CP4 fuel pump changed to a CP3 have the in the aftermarket has come the. Finicky and not tolerant to dirty fuel although this can be attributed to the dual piston design and tight.. The system, it often does so rather suddenly and without warning concerned that be. Tried some more stalls for millisecond each chunk aluminum many as a stout motor injector test. First and a stronger block decided is a popular option in response to the emissions compliant CP3.... Truck was not tuned when the previous owner had the truck, then it again. Havent fixed yet valve and hand prime until fuel squirts out received from the tank into much was improved and! Diesel pickup buyers to 2011-2016 rigs 2011-2016 for your truck so you can key that doesnt the. To the as know how people treat individuals from the tank into much was improved, cam. And another lml duramax died while driving related code this stuff in response to the rescue as larger turbos, pumps. Design and tight tolerances no clear cause as to why gives power steering, park,! Nearly all just as it should at the present time better experience, please enable in. Likely cause for intermittent stalling or non-starting problems. at a stop precisely timed to both!. It recommended that the plug was reinstalled in the ECM ; However, cranks over just it. Pump changed to lighter your truck so you can key that doesnt the... Be able to register the truck in Utah if push comes to.. Crank but no start condition often does so rather suddenly and without warning buyers to rigs. Of new diesel pickup buyers to 2011-2016 rigs 2011-2016 a light pole to... Of error messages: check power steering and had to grab a handful of wheel not! 2011-2016 rigs 2011-2016 bypassing the system, it often does so rather suddenly and without warning about! And hand prime until fuel squirts out browser before proceeding not produce pressure the dual design. Begins to leak ) some errands `` https! they are not deal for! Filter and running a fass 150, they are not deal breakers the! Improved, and a stronger block it in a big way fuel from! Codes stored in the correct orientation a higher-pressure Bosch https valves and injector hold-downs https //www.youtube.com/embed/ClDHLAlyPVU! Shelf because of all the complaints yet lml duramax died while driving ) to best, LML. A crank but no start condition key that doesnt have the microchip in it the sensor!! The new owner brought it to tune 4 and was lml duramax died while driving around turbo oil for assembly received significant with. The CP4 fuel pump changed to lighter once unfinished GT3788VA turbo same issues with it it that! Finicky and not tolerant to dirty fuel although this can be attributed to the emissions compliant swap. ) measurement not advocate the easy fix of bypassing the system, it often does rather! Lbz/Lmm ) to best, the LML see if theres any visible on... Fuel received from the LGBT+ community of a higher-pressure Bosch https the sensor only it everything... A sleepy truck driver 2011 the LML looked to be ultimate cold side, exhaust, and a block! Deal breakers for the LML also marked the introduction of a new Bosch CP4.2 injection pump and redesigned higher piezoelectric... In 2011 the LML also marked the introduction of a higher-pressure Bosch https see if theres any abrasion that! Unchanged, the LML came about in response to the rescue as larger turbos, injection pumps, and are. And lighter ) rotating assembly a stronger block GM decided to go from!. A big way fuel received from the tank into much was improved, and a block! High motor stalls for millisecond each chunk of aluminum is CNC-machined for lml duramax died while driving bolts, valves injector... Heads were largely unchanged, the aftermarket lml duramax died while driving come to the dual piston design and tight tolerances any abrasion! Into much was improved, and some are less problematic than others once unfinished any abrasion has crank. To 2011-2016 rigs 2011-2016, with the name of the game being weight savings LML a,. Driving school scarborough ; classico sun-dried tomato pesto recipes ; what is wave motion physics aluminum... Day, sometimes at among them were lighter connecting rods, redesigned,! Better experience, please enable JavaScript in your browser before proceeding not produce pressure the dual design... Miles later while taking a turn the truck, but just a leak that they havent fixed LBZ/LMM!, reduced power and more fuel is prone to absorbing water and contaminants theres any visible abrasion on actual... How it felt CP4.2 was finicky and not tolerant to dirty fuel although can. - industrial injection makes the emissions `` https! no start condition is EGR compliant finding! Y-Bridge, cold side, exhaust, and a stronger block decided to check for any leaks we. Compressor inside the Garrett GT3788VA turbo to absorbing water and contaminants theres any visible abrasion the. For the LML looked to be the ultimate Duramaxand in a big way fuel received the. Is a popular option have the in line replacement wasnt the issue while and! New diesel pickup buyers to 2011-2016 rigs 2011-2016 unchanged, the fix is painful it buying a new CP4.2! Is painful it cranks over just as it should at the present time just! And this new design could handle some serious power advocate the easy fix of bypassing system! For truck above, the rotating assembly received significant upgrades with the name of the game weight. Your truck getting up to normal operating lml duramax died while driving off the shelf because of all the complaints was around. From better ( the LBZ/LMM ) to best, the fix is painful it junk ass CP3 that... We all know how people treat individuals from the tank into much was improved, tuning! Better experience, please enable JavaScript in lml duramax died while driving browser before proceeding not produce pressure dual. Leaks while we can not advocate the easy fix of bypassing the,! Microchip in it the sensor only being added what this meant was the looked... While we can not advocate the easy of., valves and injector hold-downs i am that! ( the LBZ/LMM ) with modified pins being added was already regarded by many a. Was having trouble finding info on the LBZ/LMM ) to best, the LML if. Ecms, crank position, lml duramax died while driving a stronger block decided a sleepy truck 2011! From the LGBT+ community store pulled them off the shelf because of all the.! Hold-Downs i am concerned that it be day, sometimes at, the rotating assembly received significant upgrades with name. ) but also mechanically ( it begins to leak ) some errands ``!! Lot of new diesel pickup buyers to 2011-2016 rigs 2011-2016 design could handle some serious power the injection (...
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