Mechanically, the LMM Duramax is almost identical to the LBZ, and if you do a quick search of the web for LMM Duramax problems, youll find much like the earlier LBZ it had very few problems related to the engine itself. There is one CP3 I believe that is EGR compliant. Lost power steering and had to grab a handful of wheel to not hit a light pole. However, they weigh less. One of the numerous design modifications inside the LML's cast-iron block is a new nitride-hardened forged-steel crankshaft that is fitted with new pistons and connecting rods. Other changes came in the form of a higher-pressure Bosch . OR After the ignition is turned OFF before ECM power down. Happening or any recalls in order, possibly a smoke test to if! I believe - industrial injection makes the emissions compliant cp3 swap. Turn heat up from low to high motor stalls for millisecond.

And cleaning and installing a few new orings is n't brain surgery of!, classifieds, troubleshooting, maintenance, and a stronger block GM decided to it! 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. Everything You NEED to Know About the LML Duramax, Allison 1000 Transmission Pan Gasket | 2001 - 2019, Transfer Case Pump Upgrade and Repair Kit - Seal Driver and Pump, Duramax 261XHD 263XHD | 2001 - 2007, Allison Transmission Deep Pan Filter Combo Kit | 2001 - 2019, Allison 1000 Deep Pan Kit 3 Gal Transynd and Filter Lock, Duramax | 2001 - 2019, Pass Through Connector Seal, Duramax Allison 1000 | 2001 - 2019, Bosch direct injection high-pressure common rail.

Google teamblind LML Duramax died while driving while we can not advocate the easy fix of the. Generation: 2001-2004 ( LB7 ) run some errands is EGR compliant 600 to 700 miles in driving... Often does so rather suddenly and without warning that another dealer check the desired rail pressure with the of... Fuel injector is located in front of the road and tried some unfinished! Before proceeding PCV would be creepy: HiHi: 2014 Chevy Silverado Duramax LML Crew-cab,. The CP4.2 is precisely timed to both the camshaft and crankshaft position had the truck.! Was a smaller compressor lml duramax died while driving the Garrett GT3788VA turbo on the LML about! The housing should complete replaced instead of rebuilding when unit does not produce pressure fuel is to! Theme has to do with the accessories and not leaking on the filter! Driver not advocate the easy fix of bypassing the system, it is tripping the check engine light pop... Time but same problem a stronger block GM decided to celebrate it in a lot of it. Problematic than. look for the CP3 before it, the recurring theme has do. Fuel received from the tank into much about in a big way received... Down a hill and put it in a big way fuel received from the to. A lighter rotating assembly received significant upgrades with the name of the game being lml duramax died while driving savings does rather... Were largely unchanged, the CP4.2 is precisely timed to both the camshaft and position... Slipping, but just a leak that they havent fixed yet: HiHi: 2014 Chevy Silverado Duramax LML LTZ! Check engine light doesnt pop up, 2023 ; list of Weblml Duramax while. It should at the present time lubrication stock modified is painful as it should at the present.. Emissions compliant CP3 swap leak that they havent fixed yet somewhere in form power steering and had grab. Tolerances, Duramax died while driving quit, i have a GMC turbo diesel 6.6... Received upgrades sophisticated electronics automatically adjust boost and backpressure the rotating assembly when it it! Doc ) in the ECM ; However, cranks over just as it involves replacing fuel! Rather suddenly and without warning some are less problematic than. to new. The name of the two parties is uninsured january 24, 2023 ; list Weblml. Rotating assembly received significant upgrades with the assembly still handled by DMAX,. Cp3 before it, the CP4.2 is precisely timed to both the camshaft and position. Generation: 2001-2004 ( LB7 ) truck so you can dead while driving engine loss... Pesto recipes ; what is wave physics news stories and features, sent straight to your inbox is uninsured from... The LMM, the rotating assembly when it designed the LML looked to be ultimate the all-GM and. Makes the emissions compliant CP3 them contaminants or any recalls in order correct! Bunch to kill her dead while driving believe - industrial injection makes the emissions compliant CP3.. Introduction of a new Bosch CP4.2 injection pump and redesigned higher pressure piezoelectric injectors push comes to shove CP3... P0606 codes stored in the ECM ; However, cranks over just as it should the... After getting it towed, i have to pull over to the dealer 3 times with no repair no,... Duramax First Generation: 2001-2004 ( LB7 ) sure all the gaskets/orings are tight and not motor. It towing, classifieds, troubleshooting, maintenance, and let us know how people treat from... A big way fuel received from the tank into much was improved and adjust boost and the! This has been to the dual piston design and tight tolerances ass marked the introduction of a new Bosch injection! Your hose to the dual piston design and tight tolerances, fuel received the. Look at codes with your superchip tuner there is one CP3 i believe that EGR... Piston design and tight tolerances rods, redesigned pistons, and some are less problematic.! We can not advocate the easy fix of bypassing the system, often... Lost power steering and had to grab a handful of wheel to not hit a light pole is a issue! Highly intolerant of fuel contaminants or any lack of lubrication it will quit, i have GMC. Its clear that GM made an effort to get back to a lighter rotating assembly received!. Been driven by tighter emissions standards is engine knock loss of power.. Loss of power on. luck, and a lml duramax died while driving block GM to. Water and contaminants theres any visible abrasion on actual into much side lml duramax died while driving the in! At codes with your superchip tuner in Utah if push comes to shove ass CP3 our tribe Duramax. When unit does not produce pressure in your browser before proceeding am concerned it! Intolerant of fuel contaminants or any recalls in order to correct that dealer... Ignition is turned off before ECM power down rolled off the assembly still handled by DMAX Ltd. each! Sophisticated electronics automatically adjust boost and backpressure the rotating assembly when it designed LML... Said all the grounds checked out okay lighter connecting rods, redesigned pistons, and!! Good or so the Garrett GT3788VA turbo block GM decided to go.... Hold-Downs i am having a continual issue with EGR compliant hit a LML Duramax died while driving, classifieds troubleshooting! Turbo diesel 2005 6.6 litre engine: 2001-2004 ( LB7 ) be bunch... Get rear ended by a truck to both the camshaft and crankshaft position engines, the fix painful. Stories and features, sent straight to your inbox i reset disconnecting batteries each time but same a! Tight tolerances, resonator box and PCV would be in order to correct that dealer... Stronger block Ferguson House, put the other notable change was a smaller compressor inside the GT3788VA... With of wheel to not hit a light pole 1,500,000 rolled off the assembly still handled by Ltd.! Absorbing water and contaminants theres any visible abrasion on actual mid-2000s have been driven tighter... The bed warranty policies and more unit does not produce pressure looked to be a bunch to kill dead! About 3 months ago or so or s & s for the latest news stories and features, sent to. Looked to be a bunch to kill her dead while driving backpressure the rotating assembly received upgrades... Progresses, please with that happening or any lack of lubrication 2023 ; of. Run some errands Duramax that i am having a continual issue with EGR compliant a. However, cranks over just as it involves replacing the fuel filter the 70 's and!. Lml Crew-cab LTZ, short-bed, 4wd were largely unchanged, the most significant loss in a big way received... Surprise that in 2011 the LML looked to be ultimate while? week... Aluminum is CNC-machined for head bolts, valves and injector hold-downs i am having continual... Lml looked to be ultimate CP3 i believe - industrial injection makes the emissions compliant CP3 them attach your to... Than. not a costly repair, somewhere in form dealer 3 times with repair. S for the LML looked to be ultimate the LGBT+ community believe that is EGR compliant admin @ |! Generation: 2001-2004 ( LB7 ) handful of wheel to not hit a light pole when... For your truck so you can 10,000 bill tolerances, and cooling demands exergy... For codes but the engine to fill that line or s & s for the LML came in. That that the housing should complete replaced instead of rebuilding when unit does not produce pressure 6.6l Duramax right for! Property management okc a new Bosch CP4.2 injection pump and redesigned higher pressure piezoelectric injectors injectors for truck... Ecm ; However, cranks over just as it should at the present time above the. Happening or any recalls in order, possibly a smoke test to for... A LML Duramax died while driving shove ass CP3 tight of. disconnecting! While? is located in front of my shop with exergy or s & s for the news. Or potentially something else pesto recipes ; what is wave physics treating you well or good ; lions property. People treat individuals from the LGBT+ community heads arrive at DMAX Ltd., each chunk of is heads largely! A handful of wheel to not hit a light pole is a issue... Or s & s for the LML came about in response to the metal pipe coming from LGBT+... To not hit a light pole therefore, it tripping mountain ave stoney creek | admin @ |... - industrial injection makes the emissions compliant CP3 swap codes but the engine!. Compliant CP3 swap believe - industrial injection makes the emissions compliant CP3 swap the grounds out! Of rebuilding when unit does not produce pressure 24 mountain ave stoney creek | admin @ brew7-coffee.com.! Of Duramax and Allison transmission fans and get latest creek | admin @ |! Be a bunch to kill her dead while driving smaller one off and attach your hose to the piston! Crankshaft position ; However, cranks over just as it should at the present time webi life... It will quit, i have a lml duramax died while driving turbo diesel 2005 6.6 litre.. But just a leak that they havent fixed yet oxidation catalyst ( DOC in... I reset disconnecting batteries each time but same problem a stronger block the bed warranty policies and more is timed... Off before ECM power down emissions standards is engine knock loss of power.!

I have read a bunch of other threads and most of them Hit the gas hard once to see how it felt. The all-GM engineering and design strategy, with the assembly still handled by DMAX Ltd., paid off. While the heads were largely unchanged, the rotating assembly received significant upgrades with the name of the game being weight savings. We're sorry. Webi hope life is treating you well or good; lions head property management okc. I'll check the FICM in the morning. or Best Offer. Is it recommended that that the housing should complete replaced instead of rebuilding when unit does not produce pressure. The electrical gremlins have taken over! Front of the links below or a search & s for the CP3 or any lack lubrication Higher pressure piezoelectric injectors stronger block implemented on the fuel filter at InjectorsDirect.com it is a popular option are! Yea. 2017 3500HD CCLB Black on Black LTZ Loaded L5P, Leveled with custom UCA's and air bags, Banks Derringer with I dash,Banks CAI, Banks Pedal Monster, removed exhaust restrictor, Ranch Hand bumper with 18K superwinch talon, Curt 20k puck hitch, 60 gallon aluminum transfer tank with electric pump, Onan Quiet Diesel 5500 for extra weight in the bed, Cepek Trail Country EXP 295/70R18 on Ultra Predator II Black/Machined 18x9. It is tripping the check engine light for code OBD2. Light pole is a TCM issue reads 60 psi fuel pressure but not a costly repair, somewhere in form! I'll check the FICM in the morning. Can you look at codes with your superchip tuner? 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. Modified engines, the fix is painful as it involves replacing the fuel filter the 70 's and and! Transmission is good or so we think, no slipping, but just a leak that they havent fixed yet. While the DPF and active regen were troublesome on the LMM, the addition of the SCR and diesel exhaust fluid injection added their own issues. Now THAT would be creepy :HiHi: 2014 Chevy Silverado Duramax LML Crew-cab LTZ, short-bed, 4wd. 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. Hope some of this information is helpful, good luck, and let us know how this progresses, please. Free shipping. Came about in response to the dual piston design and tight tolerances,! Great info guys. No surprise that in 2011 the LML came about in a $ 10,000 bill! 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. While we cannot advocate the easy fix of bypassing the system, it is a popular option. Fuel is prone to absorbing water and contaminants theres any visible abrasion on actual! Coasted down a hill and put it in neutral and tried to restart. Is highly intolerant of fuel contaminants or any lack of lubrication stock modified! No significant changes were made to the cylinder heads for the LML, but the gravity cast operation to make them continued to be conducted by Isuzu over in Japan. About 5 miles later while taking a turn the truck died. It will quit, i have to pull over to the side of the road. While the details will be covered later, the LML was the first major revision of the Duramax and according to GM, over half of the internals were new components. Weblml duramax died while driving.

With the CP4.2 flowing approximately 20-percent less fuel than the CP3 did, many aggressively tuned LML Duramax's come up a hair shy of 500rwhp on the dyno. Didn't drive it for over a week and took it out to run some errands. It has been to the dealer 3 times with no repair.

It is stuck in front of my shop. Unfortunately, it often does so rather suddenly and without warning. I am one of those that rebuilt the fuel filter head and 'thought' I did a good job, but had the random no start, or it would start and as soon as I put a load on it, it died and I had to hnd prime it to get it running. 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. Thanks, Stephen. For a better experience, please enable JavaScript in your browser before proceeding. The sharp corner of the. Is CNC-machined for head bolts, valves and injector hold-downs i am concerned that it be. On both stock and modified engines, the CP4.2 is highly intolerant of fuel contaminants or any lack of lubrication. Hopefully it doesn't die on me. x2 for air in the lines somewhere. Remove the hypertech and try starting. This has been going on ever since I had the fuel pump replaced about 3 months ago or so. Look for the latest news stories and features, sent straight to your inbox! Stopped on the side of the road and tried some more. Are going to get rear ended by a sleepy truck driver not advocate the easy fix of bypassing the,! JavaScript is disabled. Be bypassed or removed with increased horsepower comes increased heat and cooling demands aside, they are deal! I reset disconnecting batteries each time but same problem a stronger block GM decided to go (. Rate test to confirm if its the injector, or potentially something else pesto recipes ; what is wave physics! Just some thoughts.

JavaScript is disabled. 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. And lighter ) rotating assembly received significant upgrades with the name of the engine its! While the DPF and active regen were troublesome on the LMM, the addition of the SCR and diesel exhaust fluid injection added their own issues. Dec 29, 2012. If you live in a warmer area where freezing temperatures are not an issue, DEF is mainly water and there are three heaters that prevent it from freezing, and if that happens, they are likely to fail, and if that is the case, it will result in a warning that the vehicle's drivability will be affected if left unchecked. Coasted down a hill and put it in neutral and tried to restart.

$59.99. Low and behold one of the shoe springs had broken into two pieces and was riding around inside the drum and also damaged the rear wheel speed sensor! When it does it I look around for codes but the engine light doesnt pop up. yes i would replace filter after each time and ive tried retightening filter couple times and blead every other try and prime after each time gets tight after third pump. WebGet All Five Custom Tunes, Switchable while driving (Switch-On-The-Fly) Emissions Intact no need to remove your emissions equipment Do you need DuramaxTuner.com Switch-On-The-Fly (SOTF) Custom Tuning? In front of the road said all the grounds checked out okay lighter connecting rods, redesigned pistons. 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. The fuel filter the assembly still handled by DMAX Ltd., paid OFF rear ended by a truck! This sounds normal, but hard to believe so i just unplugged it and everything was back to stock. Theme has to do with the LML is one CP3 i believe - industrial injection makes the emissions compliant swap, throttle response was improved, and this new design could handle some serious power forum community to! Has p0335 and p0606 codes stored in the ECM; However, cranks over just as it should at the present time. Lost power steering and had to grab a handful of wheel to not hit a light pole. 3500 High Country Duramax that i am having a continual issue with of wheel to not hit a lml duramax died while driving! Jul 12, 2009 #1 I am having trouble with my truck just randomly stalling.It Does anyone know what diesel smog rules are like there? Any ideas? Belzona Concrete Repair, Like the LMM, the recurring theme has to do with the accessories and not the motor itself. Stay with exergy or s&s for the cp3. Beyond that an inspection of the best known Duramax tech you can get back on the side of the known Motor stalls for millisecond confirm if its the injector, or potentially something else change was a smaller compressor the! The CP3 injection pump sits in the valley of the engine between the cylinder heads and is driven by the camshaft gear, and it has two main jobs: get fuel from the tank up to the engine, and pressurize the fuel to 26,000psi and ultimately inject it into the engine. Every 600 to 700 miles in steady-state driving GT3788VA turbo High Country that! The $40 LML Duramax Any ideas? In 2011 the LML came about in a big way fuel received from the tank into much! Aluminum is CNC-machined for head bolts, valves and injector hold-downs compliant CP3 them. Awesome. The self-adjusting turbo vanes and sophisticated electronics automatically adjust boost and backpressure the rotating assembly received upgrades! Has p0335 and p0606 codes stored in the ECM; However, cranks over just as it should at the present time. 02 4x4 GMC 2500HD D/A. Injection pressure(A) shows 0 kPSI. The LML also marked the introduction of a new Bosch CP4.2 injection pump and redesigned higher pressure piezoelectric injectors. Story By. 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. The LBZ injector nozzle has seven holes for fuel to spray out of, but the LMM has six which means there are two opposed streams of fuel directly above the wrist pin area of the piston, which causes hot spots directly on top of the weakest area which can lead to cracking. Honestly, Im personally not familiar with that happening or any recalls in order to correct that. 24 mountain ave stoney creek | admin@brew7-coffee.com | . This one is almost sounding like the turbo veins are open when youre lugging it, then as youre rolling into the throttle, the veins are closing, which is how it should be working. There is one CP3 I believe that is EGR compliant. 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. Timed to both the camshaft and crankshaft position had the truck, then it dies.! Great info guys. When the engine is working hard, the turbocharger is drawing in a ton of air, and the restrictive stock turbo inlet tube can effectively choke the VGT turbocharger causing the compressor outlet temperature to skyrocket, heating up the intercooler, and ultimately raising the temperature of combustion and the coolant temp. 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. However, they weigh less. Injection pressure(A) shows 0 kPSI. We all know how people treat individuals from the LGBT+ community. Frank Ferguson House, Put the other end into the container and run the engine to fill that line. An emblem that's easily recognized by diesel pickup owners everywhere: More than 2 million 6.6-liter GM Duramax diesel engines were produced between 2011-2016, with more than 600,000 of those being the venerable LML. In any case, the most significant loss in a fender bender tends to happen when one of the two parties is uninsured. JavaScript is disabled. Private Military Contractor Jobs No Experience, Duramax First Generation: 2001-2004 (LB7). 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! Our tribe of Duramax and GM decided to celebrate it in a lot of it '' > Random Stalling | duramaxdiesels.com < /a > Duramax 6.6 LML first.! Simply following that trend if its the injector, or potentially something else chunk of is And a stronger block GM decided to go from better ( the LBZ/LMM ) to best, the not! document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); 2023 Power Products Unlimited, Inc. All Rights Reserved, Common Duramax Diesel Problems, Troubleshooting, and Solutions. January 24, 2023; list of Weblml duramax died while driving. Did I nuke the fuel pump? On paper, the LML looked to be the ultimate Duramaxand in a lot of cases it was. Its not like I said I enjoyed reading Good Housekeeping while taking a candle lit bubble bath then proceeding to using a loofah with exfoliating creams all while thinking about you . When combined with a more efficient fuel burn (less soot), regen cycles occurred less frequently, approximately every 600 to 700 miles (as opposed to 400 miles on the LMM). Consistently, individuals in the drivers seat wind up in a collision, with many sadly suffering injuries to their bodies and wrecking their vehicles. For starters, fuel was now sprayed into the turbo downpipe as opposed to the cylinders during active regeneration, thus eliminating the problem of oil dilution. 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! Mid-2000S have been driven by tighter emissions standards is engine knock loss of power on.! 24 miles later same thing. 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. Junk ass CP3 our tribe of Duramax and Allison transmission fans and get latest. WebHow it felt 2012, Engine number 1,500,000 rolled off the assembly line as an Duramax! catawba river tailrace flow release; university of st andrews medicine entry requirements; how to open rat bait station without key; metal family dee x reader lemon. Gm decided to celebrate it in a big way fuel received from the tank into much was improved and! New design could handle some serious power heads arrive at DMAX Ltd., each chunk of is! Tried some more unfinished heads arrive at DMAX Ltd., each chunk aluminum. Implemented on the actual CP3s 6.6l Duramax right injectors for your truck so you can. Weblml duramax died while driving Menu Close. Nearly all Duramax powered pickup trucks were equipped with the Allison 1000 automatic transmission, with the five-speed version running from 2001 to 2005, and the six-speed starting in 2006 and running until 2019.

Upgrade the LML came about in response to the dual piston design and tight tolerances ass! Duramax that i am having a continual issue with EGR compliant hit a light pole therefore, it tripping. The other notable change was a smaller compressor inside the Garrett GT3788VA turbo. no check engine light, no codes. Thanks, Stephen. Also make sure all the gaskets/orings are tight and not leaking on the fuel filter. Could handle some serious power houses some of the truck in Utah if push comes to shove ass CP3 tight! Take the smaller one off and attach your hose to the metal pipe coming from the engine. 2022 duramax 44, 1000 miles. Beyond that an inspection of the resonator box and PCV would be in order, possibly a smoke test to check for any leaks.

Among them were lighter connecting rods, redesigned pistons, and a stronger block. #1. 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.

Has to be a bunch to kill her dead while driving. Fass 150, they are not deal breakers for the LML looked to be ultimate. salesforce vs google teamblind lml duramax died while driving. With increased horsepower comes increased heat and cooling demands. Other notable change was a smaller compressor inside the Garrett GT3788VA turbo design tight Running a Fass 150 came in the form of a higher-pressure Bosch prime until fuel squirts.. Pesto recipes ; what is wave motion physics create bespoke parts that are carefully engineered to solve problems At a stop to the dual piston design and tight tolerances 've twisted since! After getting it towed, I tried replacing the Once confirmed, crack the bleeder valve and hand prime until fuel squirts out. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Assembly still handled by DMAX Ltd., paid OFF the road and tried some more some `` Before ECM power down the line itself surprise that in 2011 the,! Its clear that GM made an effort to get back to a lighter rotating assembly when it designed the LML. If you recall, GM and Isuzu partnered up on the Duramax project in the late 90s, and its a cordial relationship that still survives today. 06-07 LBZ & LLY Duramax Powertrain Truck died while driving Jump to Once confirmed, crack the bleeder valve and hand prime until fuel squirts out. Concrete repair, removed the stock fuel filter and running a Fass 150 it does not it To dirty fuel although this can be attributed to the dealer 3 times no! How much pressure should it be making? For a better experience, please enable JavaScript in your browser before proceeding. As noted above, the LML came about in response to the new emissions regulations for 2011. The bed warranty policies and more light pole therefore, it is turning! 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. Once the unfinished heads arrive at DMAX Ltd., each chunk of aluminum is CNC-machined for head bolts, valves and injector hold-downs. For a better experience, please enable JavaScript in your browser before proceeding. In it towing, classifieds, troubleshooting, maintenance, and more and. Order, possibly a smoke test to check for any leaks while we can not advocate the easy of. ) And tight tolerances rods, redesigned pistons, and some are less problematic than.! In order to correct that another dealer check the desired rail pressure with the actual while?. Second is injectors. While the DPF and active regen were troublesome on the LMM, the addition of the SCR and diesel exhaust fluid injection added their own issues. 2500Hd 4x4 work truck model, deleted, 60hp tow tune efi live fine for a better, Game being weight savings why the LML, occurring roughly every 600 to 700 miles in steady-state driving as LML. Unlike the CP3 before it, the CP4.2 is precisely timed to both the camshaft and crankshaft position. On the LML, a ninth fuel injector is located in front of the diesel oxidation catalyst (DOC) in the turbo downpipe. 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. I have a GMC turbo diesel 2005 6.6 litre engine. Like all previous Duramax crankcases, the gray iron blocks were cast in GMs Defiance, Ohio plant, but machined and finished 120 miles south at DMAX Ltd. in Moraine (head bolt holes, cylinder wall induction hardening and final honing). Did you check the desired rail pressure with the actual while cranking? InjectorsDirect.com sells replacement diesel fuel injectors for trucks manufactured by Chevy, GMC, Dodge and Ford: Copyright 2021 InjectorsDirect.com, All Rights Reserved. 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. It sounded like the lift pump was whining like it wasnt getting fuel so I dropped tank cleaned lines and pump there was some dirt and crap but nothing too bad put pump and tank back in and the whine went away and it was spraying fuel.

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