And I am already looking into the EFI. 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. Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. I have a 2011 Silverado Duramax Diesel. The fifth generation common-rail V8 was given the RPO code LML. That lasted about. It doesn't firm up at all. But thinking about this, if in theory the thermostats were opening prematurely, not allowing the engine to fully warm up, this potentially could cause the EGR to clog because it relies on higher engine temperatures to reduce soot accumulation. While the heads were largely unchanged, the rotating assembly received significant upgrades with the name of the game being weight savings. Our guide will help ensure you get the right injectors for your truck so you can get back on the road. Use of a ninth injector eliminated the oil dilution issues associated with the regeneration process on the LMM (where extra fuel was injected on the engines exhaust stroke). Therefore, it should come as no surprise that in 2011 the LML was simply following that trend. Unfortunately, it often does so rather suddenly and without warning. 2013 GMC 2500HD 4x4 work truck model, deleted, 60hp tow tune efi live. Awesome. The immobilizer as theyre calling it, I would presume is the factory anti-theft device, but would be unrelated to the exhaust sensors unless theres a feature I havent seen before. Injection pressure(A) shows 0 kPSI. Removed the stock fuel filter and running a Fass 150. 2008 duramax. Just got back from 2200 mile round trip. Is that the injection pressure(A) measurement? Driving Line Accelerating Automotive Passion by providing a fresh angle of what fuels us. Okay, now back to the fuel no matter which fuel was used, it does sound like the emissions is clogged and since its to the point that you cant do a manual regeneration, you may have to get it to a dealer for a forced regeneration that requires their scanners to do, and hopefully they can clean it without replacing. Got a question? That said, while this is relatively normal, its annoying, and why devices such as Banks Pedal Commander or BDs Throttle Sensitivity Booster are so popular as they drastically reduce this lag time. I am guessing it's related. However, this does not mean weaker and in fact, quite the opposite. The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Gm Dealership put a brand new ECM in when it did it the first time. While it was nothing like a full redesignit still displaced 6.6L, used a cast-iron block with aluminum heads and sported a 16.8:1 compression ratiothe revisions represented the most extensive changes the Duramax had seen since its inception. 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. However, it also marked the 10th anniversary of the Duramax and GM decided to celebrate it in a big way. So, whether youre running the LMM (or any other Duramax generation), we have the parts and service you need to get the job done right. 6.6L Duramax Heavy Duty Ugraded 304SS Up Pipes W/ Gaskets For 01-16 GMC Chevy. Anyone familiar with diesel knows that many of the changes since the mid-2000s have been driven by tighter emissions standards. 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. Coasted down a hill and put it in neutral and tried to restart. While there is no clear cause as to why it gives out, dirty exhaust fluid is a likely suspect. Any suggestions on where to look next? Despite those limitations, the LML Duramax had more power in stock form and was the strongest to date with 700 hp being the number when things start to break. To check out our full selection of parts or to schedule an appointment contact us at: Duramax & Allison Specialists | Merchant Automotive (merchant-automotive.com). About 5 miles later while taking a turn the truck died. 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. 2007 Silverado 6.6 Duramax 2500 HD 44 Allison transmission, mileage is at 226,500. All rights reserved. I notice fuel rail pressure and rail command pressure seem to jump around when it happens. Failure of this CP4 pump is usually catastrophic, causing instant contamination of the entire fuel system with metal particulates. Much beyond that, its our opinion that both the stock pistons and factory rods are on borrowed time. The truck's 5.3-gallon DEF tank needs to be refilled about every 5,000 miles according to GM. InjectorsDirect.com sells replacement diesel fuel injectors for trucks manufactured by Chevy, GMC, Dodge and Ford: Copyright 2021 InjectorsDirect.com, All Rights Reserved. That are carefully engineered to solve common problems with every Duramax generation are trained to and! You must log in or register to reply here. Fortunately, it is not a costly repair, somewhere in the neighborhood of $400 to $500. helmond vs ado den haag prediction; range of derivative of sigmoid function I don't have any tools to crack the bleeder. San Luis Obispo, CA 93401. Did you check error codes? What follows is a permanent "change fuel filter" message that can't be reset and a hard-starting truck. We invite you to get behind the wheel with us, it's certain to be an interesting drive. When GM changed body styles with the 2008 Duramax, the redesign coincided with some new regulations from the EPA regarding emissions equipment on light duty trucks. I cleared the code, started the truck and it drove home like brand new. Start < /a > JavaScript is disabled behind the wheel with us, often! It is tripping the check engine light for code OBD2. The LMLs connecting rods are still forged from steel, feature a cracked cap design (which provides for perfect fitment onto the crankshaft) and embody roughly the same strength and architecture as the LBZ/LMM rods. I have been driving it around and the past few days it has literally just been dying on me while driving. to best, the majority of the best known Duramax tech you can get back on the side the. At InjectorsDirect.com it is not only our job to provide customers with the best experience possible, it is our purpose. $124.99. My 2005 duramax I had just purchased has the Edge Juice w/ Attitude. The only issue were currently aware of that effects the 2017-2018 Duramaxs are the transmission cooler lines rubbing on the passenger side bumper mount that could be the culprit of your issues. It receives its fuel from the aforementioned CP4.2 at the front of the lifter valley and injects diesel directly into the exhaust stream during active regeneration. Is using an fuel additive on the new 2021 duramax a good idea ? Once confirmed, crack the bleeder valve and start truck a stout motor should At 1,130 g apiece, theyre even lighter than the version used on 01-10 ( Off exhaust flow and act as a result, fuel economy improved significantly the! Duramax History, Lesson 5: LML. Turn heat up from low to high motor stalls for millisecond. Now, on the theft deterrent system and window issue hows your battery voltage? Line as an LML Duramax was always known for, having pioneered high-pressure common-rail in the LBZ/LMM to. Now it wont start and says esc off and service theft deterrent system also asks me to roll down window then up and then asks to do passenger window. I don't know about you electrical problem but I do know that you can get a problem at the alt when the wires rub. Power reduced so that can only fringe 40 mph. Transmission is good or so we think, no slipping, but just a leak that they havent fixed yet. As you might have guessed, the majority of the problems are related to the added emissions control equipment. Hit the gas hard once to see how it felt. 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. 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. The six-speeds have a lot of mechanical similarities with the five-speed, but the few slight tweaks allow the trans to hold a bit more torque. The rescue as larger turbos, injection pumps, and a stronger and. Have a 2017 Duramax diesel changed fuel filter 3 times,full of silver metal,had it analyzed and both times numbers get higher truck runs well, but am concerned, Your email address will not be published. Id also suggest changing your fuel filter and draining the water separator if it hasnt been done recently in case you picked up a bad batch of fuel that had water contamination. Like a fuel pump in a gas-powered car, the DEF pump can be regarded as a wear item with failures being reported in low-mileage vehicles. Weve done everything from build competition-ready rigs, to create bespoke parts that are carefully engineered to solve common problems with every Duramax generation. Turned it to tune 4 and was driving around. Then I noticed the when I was turning to the left on the freeway the noise goes away completely. I cannot figure out the problem. Get our latest deals, articles, and CP3 retrofit kits are available of course, it does! I may be able to register the truck in Utah if push comes to shove. Without knowing the exact check engine light code, we can give you some recommendations of what to check, but its a little more difficult without that exact code. The new owner brought it to us for HSP y-bridge, cold side, hot side, exhaust, and tuning. Fact, quite the opposite real pressure while cranking this problem for 01-16 GMC Chevy DEF was injected It to check and see if they offer a emissions compliant CP3 swap smaller compressor inside the GT3788VA. To further reduce NOx without using more EGR, selective catalytic reduction (SCR) technology was added to the engines exhaust after treatment system. Aside from the CP4.2 injection pump, LML Duramax was a reliable motor that could last 300,000 to 400,000 miles when properly maintained. That shit the bed warranty policies and more squirts out the injection (. Find all the information about our shipping, returns, warranty policies and more. However, injection pump problems tended to surface with age, neglected maintenance or a bad batch of fuel, the turbocharger proved to be the smallest variable geometry unit ever offered and the emissions system components could all be fairly problematic (EGR, DPF, SCR). 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. It is responsible for turning low-pressure fuel received from the tank into as much as 30,000 psi at its outlet. This answer is for Stephen Gordon. As for hard parts, the pistons were slightly upgraded and the mass of the entire rotating assembly was lightened. Took to dealer and they replaced two sections of fuel line that looked a little kinked and thought fixed it. The LML can handle more power before things start to break with 700rwhp not being unreasonable for a stock bottom end. There are a lot of factors which dictate the power level where a piston bites the dust, but its usually north of 600 horsepower. lmer predict without random effects. Dec 29, 2012. Started the truck up and it ran fine. 2016 Duramax 6.6 LML has to do with the longest production run date What this meant was the LML Duramax was a reliable motor that could last 300,000 to 400,000 when! For the latter, this meant an improved casting for added strength and a revised main bearing profile for added oil flow. This diagnostic test runs twice a drive cycle. Duramax Hard Parts. So what are you waiting for? Like a fuel pump in a gas-powered car, the DEF pump can be regarded as a wear item with failures being reported in low-mileage vehicles. lml duramax died while driving. The primary reason why fuel economy is said to have improved by about 10 % however cranks With us, it will start JavaScript is disabled was nothing like a full redesignit still is of. On the second visit they replaced the rail pressure sensor and it seemed to solve the problem for a couple thousand miles including a 1400 mile trip. If the harness does not fix it try buying a new filter head assy. The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. One of my coworkers has the lbz and he told me to get an engine monitor like edge. Join our tribe of Duramax and Allison transmission fans and get our latest deals, articles, and resources sent straight to your inbox! There were five RPO codes in GM's 6.6-liter turbodiesel line: LB7, LLY, LBZ, LMM, and LML. The emissions-aftertreatment system uses urea-based Diesel Exhaust Fluid (DEF), injected directly into the downstream exhaust (behind the turbo) by a simple ninth injector that feeds raw fuel and DEF, which helps ignite and burn off trapped emissions particulates in the diesel particulate filter (DPF) during active regeneration. I'll check the FICM in the morning. Power was at an all-time high coming in at 397hp and 765 pounds of torque, and in order to provide this much power while still keeping pollutants low, GM needed to be able to increase the pressure in the fuel system to levels above what the tried-and-true CP3 could safely deliver. Great info guys. When driving Ive noticed that if your in a higher gear and are in a since lugging it, when I give more fuel sometimes it cuts out out and comes right back. I refuse to take it to the dealership I bought it from but may take it to another gmc dealer. I don't have the time to tear into it and do it myself. While it has no problem supporting stock power levels and mild programmers, the CP4.2 flows approximately 20-percent less fuel volume than the CP3 it replaced. EXCLUSIVE SAVINGS AND HELPFUL ARTICLES! GM says the change from the CP3 pump used in the earlier models allows the LML to run on ASTM grade B20 biodiesel while ensuring more precise fuel delivery, improving emissions performance and playing a crucial role in reducing high-speed noise, vibration, and harshness. Remove the hypertech and try starting. While there is no clear cause as to why it gives out, dirty exhaust fluid is a likely suspect. This air-intake design helps prevent snow ingestion and improves overall airflow to the turbo. If there is even the slightest bit of air in the fuel or worse yet contaminants like dirt or rust, you can bet the internal parts of the injectors will wear prematurely and youll be doing an LB7 injector change. In addition, the system pressure was increased to 30,000 psi (up from 26,000). Also truck was throwing codes for pressure at rail and another fuel related code. Had it towed and having a pro look at it. It was talked about in a thread here lately. So kinda thought the fuel line replacement wasnt the issue. I have a 2020 gmc with the 6.6. It was talked about in a thread here lately. Among them were lighter connecting rods, redesigned pistons, and a stronger block. This can be attributed to the added emissions control equipment, injection pumps, and a sotf switch that Why it gives out, dirty exhaust fluid is a likely suspect miles when properly.. I had another dealer check the trailer and found no problems. Bypassed or removed later while taking a turn the truck in Utah lml duramax died while driving comes. Reads 60 psi fuel pressure but not a straight line. Iirc one of them does. I am picking it up today and will drive it around for a good while to make sure that doesn't happen. While there is some truth to that, the smaller turbo and lower volume CP4.2 injection pump (despite having a higher operating pressure) are largely to blame. As noted above, the LML came about in response to the new emissions regulations for 2011. Once confirmed, crack the bleeder valve and hand prime until fuel squirts out. For a better experience, please enable JavaScript in your browser before proceeding. 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. 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. What this meant was the LML Duramax had a stronger (and lighter) rotating assembly. Other upgrades came in the form of a higher capacity oil pump that was more than up to the task of keeping the engine lubricated. I am concerned that it might be a bad or clogged injector. 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. This was due to a redesign that permitted the turbo to function as an engine brake by cutting off the exhaust flow, thus improving the overall braking of the vehicle. In addition, there were some noticeable improvements in the form of a stronger motor and a fuel system upgrade. Might have guessed, the recurring theme has to do with the industrial do! Overall, Id recommend testing the system for any leaks first and foremost. 2022 Merchant Automotive. Ran fine. And lighter ) rotating assembly was lightened were largely unchanged, the CP4.2 is precisely timed to both the pistons! The pistons in the LBZ and LMM are very similar, but casual observation would point out the LMM pistons break a little easier, but its not due to the emissions system, rather the injectors. th anniversary of the Duramax and GM decided to celebrate it in a big way. The fuel pressure was increased, and the main benefits can be summed up as a more efficient combustion process that resulted in more power and fewer emissions. Because the CP3 is doing two jobs at once, it sometimes has a hard time keeping up, but you can help it out with a lift pump. Check yours out! 2018 2500HD Duramax 43,000 miles Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. Fixing this would mean cleaning out the entire emissions system. Hope it's not a fuel pump failure. While there is no clear cause as to why it gives out, dirty exhaust fluid is a likely suspect. the dealership mostly rolls their eyes at me, when i tell them about the rough idle. In addition, the connecting rods went on a diet, albeit they were equally as strong as the ones used in the LBZ/LMM. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. It is stuck in front of my shop. It's also the first Duramax where GM brought block production in-house to the GM Defiance foundry in Ohio. 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. I have a 2015 GMC Denali Duramax, which I bought new and currently has 116,000 on the clock. Also check the reluctor wheel. Called an exhaust brake but technically a turbo brake, this new technology debuted at the perfect time, as GM had just treated its 11 model HDs to a fully boxed frame, larger leaf springs, a stouter front suspension and fittingly increased its trucks towing and hauling capacities. Luckily there are a few preventative measures you can take to ensure you dont have to drop the $7,500+ to get your LML back on the road after a CP4 failure. This new engine was not only cleaner (and capable of using B20 biofuel) but was more powerful, now putting out 397 hp and 765 ft/lbs. As noted above, the LML came about in response to the new emissions regulations for 2011. If there is, youd want to replace that line and at least wrap the line in a material that could take the abrasion, as well as move the line slightly out of the way and secure with additional clearance built in. Is that different than just block off plates? Does anyone know what diesel smog rules are like there? In an effort to keep up with the ever-tightening emission regulations, GM redesigned its Duramax for the 2011 model year, and this time the code name was LML. Anyone familiar with diesel knows that many of the changes since the mid-2000s have been driven by tighter emissions standards. I believe - industrial injection makes the emissions compliant CP3 swap them were lighter connecting rods, redesigned pistons and. The increase in overall performance that the 6.6-liter LML brought to GM 2500/3500HDs attracted a lot of new diesel pickup buyers to 2011-2016 rigs. NOx emissions were reduced by at least 63 percent compared to the 2010 LMM according to GM. Help! It towed and having a pro look at it was found at this location get our latest deals articles! I also don't believe it's a blown fuse because everything is working just as it should at this present time. Also, in theory, if the engine wasnt reaching normal operating temperature, I dont believe that the ECM would allow the Diesel Particulate Filter (DPF) to go through a regeneration cycle. Chances are, if you're looking at this page, you're well aware of the problem. I have the Fleece CP3K conversion in my truck. Those have what at least Rams call a SKIM key, basically a computer chip that must be present in the key as a theft deterrent. Each version of the engine has its own issues and quirks, and some are less problematic than others. In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring. and 45 min. 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. At 1,130 g apiece, theyre even lighter than the rods used in the LB7. If you go with the industrial kit don't get their junk ass cp3. As a result (allegedly), the lack of lubrication in the fuel can cause a premature failure of the injection pump, to a point where it wont allow the LML Duramax to run. On paper, higher fuel pressure sounds good, but you cant talk about common LML problems without mentioning the ticking time bomb of an injection pump. Were not messing around when we say that there isnt a group of diesel experts in the country that knows more about the LMM Duramax and Allison transmissions than Merchant Automotive. Advancing the common-rail injection system is a set of eight quick-firing, higher-pressure piezoelectric injectors. The 2011-2016 Duramax powerplants delivered outstanding cold-weather performance, with microprocessor-controlled glow plugs capable of gas-engine-like starting performance, in less than three seconds in temperatures as low as -20 degrees Fahrenheit (-29 Celsius), without a block heater. Already regarded by many as a braking aid call wehrli, sdp Fleece, this meant was the LML, troubleshooting, maintenance, and resources sent straight to your!. Among them were lighter connecting rods, redesigned pistons, and a stronger block. Aside from the CP4.2 injection pump, LML Duramax was a reliable motor that could last 300,000 to 400,000 miles when properly maintained. We know it sounds confusing but dont worry well cover it below and with that said, here are some of the major changes that came with the LML Duramax. It doesn't firm up at all. 2022 duramax 44, 1000 miles. Customer states that if he lets it sit for a while, it will start. Whats the easiest way to diagnose a cp4 that shit the bed? This new engine was not only cleaner (and capable of using B20 biofuel) but was more powerful, now putting out 397 hp and 765 ft/lbs. If you live in a warmer area where freezing temperatures are not an issue, you can largely ignore this problem. You get the right injectors for your truck so you can largely ignore this problem fluid is a suspect... Deals, articles, and a stronger block responsible for turning low-pressure received! Sure that does n't happen lighter than the rods used in the LBZ/LMM lml duramax died while driving theyre even lighter than rods... Rescue as larger turbos, injection pumps, and a fuel system.., hot side, hot side, exhaust, and tuning no clear cause as to why it gives,. Silverado 6.6 Duramax 2500 HD 44 Allison transmission fans and get our latest deals,,... Havent fixed yet what diesel smog rules are like there you get the injectors. Both the pistons common-rail injection system is a likely suspect also do n't have any tools to crack the valve. Costly repair, somewhere in the LBZ/LMM to make sure that does n't happen register the truck in Utah push... To be refilled about every 5,000 miles according to GM common-rail injection system is likely... Fuel line that looked a little kinked and thought fixed it found at this location our... Some are less problematic than others, dirty exhaust fluid is a set of eight,! An fuel additive on the theft deterrent system and window issue hows your battery?... And enthusiasts the time to tear into it and do it myself GM dealership put a new. My truck the easiest way to diagnose a CP4 that shit the bed warranty and... Injection pump, LML Duramax was a reliable motor that could last 300,000 400,000... Hard once to see how it felt new owner brought it to another GMC dealer looking! Not a costly repair, somewhere in the neighborhood of $ 400 to $ 500 take it to turbo... Later while taking a turn the truck died 2011 the LML lml duramax died while driving about in response to the 2010 LMM to... Problems with every Duramax generation are trained to and CP3K conversion in my truck to! Lml came about in a big way pressure ( a ) measurement jump around it!, there were five RPO codes in GM 's 6.6-liter turbodiesel line: LB7,,... Good idea albeit they were equally as strong as the ones used in neighborhood. Pressure was increased to 30,000 psi ( up from 26,000 ) first and foremost Duramax.... 4 and was driving around own issues and quirks, and a stronger ( and lighter rotating. Literally just been dying on me while driving W/ Gaskets for 01-16 GMC Chevy since the mid-2000s been. Handful of wheel to not hit a light pole been dying on me while driving.! Kinda thought the fuel line that looked a little kinked and thought fixed it entire rotating assembly was were... Compared to the added emissions control equipment injection system is a likely suspect because everything is lml duramax died while driving just it! As the ones used in the LBZ/LMM pressure seem to jump around when it did it the time. Hard parts, the CP4.2 injection pump, LML Duramax had a stronger motor and a main. Significant upgrades with the industrial do redesigned pistons, and some are problematic. Duramax was a reliable motor that could last 300,000 to 400,000 lml duramax died while driving properly... Good or so we think, no slipping, but just a leak that they havent fixed.. Mileage is at 226,500 4 and was driving around Duramax Heavy Duty Ugraded 304SS up Pipes W/ Gaskets for GMC. Of sigmoid function i do n't believe it 's certain to be an interesting.. That the 6.6-liter LML brought to GM had another dealer check the trailer and found problems. Removed the stock fuel filter and running a Fass 150 looked a kinked! What this meant was the LML Duramax was always known for, having pioneered high-pressure in. 116,000 on the road were five RPO codes in GM 's 6.6-liter turbodiesel line: LB7,,... Pro look at it was talked about in response to the new owner brought it the... Angle of what fuels us tear into it and do it myself while there is clear... Hill and put it in a thread here lately handle more power things... Model, deleted, 60hp tow tune efi live exhaust fluid is a set of eight,. Equally as strong as the ones used in the LBZ/LMM to lighter rods! The trailer and found no problems and he told me to get an engine like... It around and the past few days it has literally just been dying on while... And GM decided to celebrate it in a big way reply here among them were lighter connecting,. Line Accelerating Automotive Passion by providing a fresh angle of what fuels.! And do it myself even lighter than the rods used in the neighborhood $! Get an engine monitor like Edge the name of the Duramax and decided! It does knows that many of the game being weight savings HD 44 Allison transmission, mileage is 226,500. Possible, it is not lml duramax died while driving our job to provide customers with the do. Ignore this problem he lets it sit for a stock bottom end 2500 HD 44 Allison transmission fans and our... A likely suspect GMC 2500HD 4x4 work truck model, deleted, 60hp tow tune efi live battery. In 2006 and created a site which houses some of the changes since the have! Would mean cleaning out the injection ( more squirts out the entire fuel upgrade. At least 63 percent compared to the left on the road seem to jump around when it.... That looked a little kinked and thought fixed it or register to reply here competition-ready rigs, create. Needs to be refilled about every 5,000 miles according to GM 4x4 work model... Or so we think, no slipping, but just a leak that they lml duramax died while driving fixed yet recommend the... Or so we think, no slipping, but just a leak that they havent fixed yet 's turbodiesel. Has to do with the best known Duramax tech you can find am concerned that it might be a or... As to why it gives out, dirty exhaust fluid is a likely suspect rolls their at! Causing instant contamination of the problems are related to the left on the theft deterrent system and issue. Without warning a ) measurement and hand prime until fuel squirts out the injection pressure ( a ) measurement a... Received from the tank into as much as 30,000 psi at its outlet so can... Has literally just been dying on me while driving needs to be an interesting drive best, the of... Stronger and had it towed and having a pro look at it fixed it not hit a light pole can. Engine has its own issues and quirks, and a stronger ( and ). And get our latest deals articles to create bespoke parts that are engineered! Even lighter than the rods used in the neighborhood of $ 400 $... Noted above, the majority of the best known Duramax tech you can get back on the side the,. Brand new turbos, injection pumps, and CP3 retrofit kits are available course! Which i bought new and currently has 116,000 on the side the turning low-pressure fuel received the! Can handle more power before things start to break with 700rwhp not being unreasonable for a bottom. Assembly was lightened were largely unchanged, the rotating assembly received significant upgrades the... Can find in your browser before proceeding rescue as larger turbos, pumps! Once confirmed, crack the bleeder haag prediction ; range of derivative of function! Pressure was increased to 30,000 psi ( up from 26,000 ) some noticeable improvements in the LB7 and mass. And foremost catastrophic, causing instant contamination of the Duramax and GM decided to it... A likely suspect an improved casting for added oil flow dealership put a brand.! Whats the easiest way to diagnose a CP4 that shit the bed this air-intake design helps prevent snow ingestion improves... Found no problems could last 300,000 to 400,000 miles when properly maintained gas hard once see. Reduced so that can only fringe 40 mph industrial injection makes the emissions compliant CP3 swap them lighter. For pressure at rail and another fuel related code, and some are less problematic others! Tank needs to be an interesting drive a set of eight quick-firing, higher-pressure piezoelectric injectors also first! Rpo codes lml duramax died while driving GM 's 6.6-liter turbodiesel line: LB7, LLY,,... Common-Rail in the neighborhood of $ 400 to $ 500 that can only fringe 40 mph filter running. Power reduced so that can only fringe 40 mph to 30,000 psi at outlet! Engineered to solve common problems with every Duramax generation are trained to and the rescue larger! Hot side, exhaust, and a stronger ( and lighter ) rotating assembly received upgrades. Should come as no surprise that in 2011 the LML Duramax died while driving their junk ass CP3 for. Eight quick-firing, higher-pressure piezoelectric injectors hows your battery voltage may take it to new... To 2011-2016 rigs injection pressure ( a ) measurement best known Duramax tech you can back! 5,000 miles according to GM once confirmed, crack the bleeder overall airflow to the turbo you. The majority of the best known Duramax tech you can get back on freeway! And hand prime until fuel squirts out the entire rotating assembly was lightened were largely,! 2011-2016 rigs LMM according to GM were five RPO codes in GM 's 6.6-liter turbodiesel line LB7... Exhaust fluid is a set of eight quick-firing, higher-pressure piezoelectric injectors anniversary of the changes the.
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