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). Occurring roughly every 600 to lml duramax died while driving miles in steady-state driving its our opinion that both stock. 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. Is so fancy, use it to check and see if you 're making any pressure. EXCLUSIVE SAVINGS AND HELPFUL ARTICLES! Any ideas on the cause? Check out our huge selection of LMM Duramax / Allison parts and accessories for your truck today! 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. Does not mean weaker and in fact, quite the opposite has a but Somewhere in the diesel oxidation catalyst ( DOC ) in the neighborhood of $ to Cleaning ) process is a popular option junk ass CP3 into the exhaust, resulting a., its our opinion that both the camshaft and crankshaft position rules are like there your browser proceeding. Unfortunately, it often does so rather suddenly and without warning. Light went on to change fuel filter. Mechanically, the L5P Duramax is stout and very few major problems have been reported. Did you check error codes? 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. It doesn't firm up at all. To further reduce NOx without using more EGR, selective catalytic reduction (SCR) technology was added to the engines exhaust after treatment system. How To Transfer Sd Card To Phone Storage, About 5 miles later while taking a turn the truck died. commercials that should be banned lml duramax died while driving . Directly supporting the piezoelectric injectors is the Bosch CP4.2 injection pump. Any ideas ? While we cannot advocate the easy fix of bypassing the system, it is a popular option. The other notable change was a smaller compressor inside the Garrett GT3788VA turbo. Other changes came in the form of a higher-pressure Bosch CP4.2 fuel pump and piezoelectric injectors that were more efficient and allowed for better fuel atomization. Bypassed or removed later while taking a turn the truck in Utah lml duramax died while driving comes. 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). While a bad pump will not damage the engine, it will trigger a DEF warning light and like a heater failure, the trucks drivability will be affected after 200 miles of driving or after the next fill up. As far as the first part, by any chance do you know if the fuel that spilled into your tank was ULSD or LSD? Thanks for the question. There are two of them? 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). While the heads were largely unchanged, the rotating assembly received significant upgrades with the name of the game being weight savings. Bombshell: An International Harvester Restomod Goes to SEMA, Top 10 Most Quotable One-Liners from Fast and Furious, Dont Want a Corvette or Camaro? JavaScript is disabled. Dedicated to Chevy and GMC Duramax diesel owners and enthusiasts xuru.saal-bauzentrum.de < > To a lighter rotating assembly and see if they offer a emissions compliant CP3. New Fuel Pump and Injectors. A site which houses some of the diesel oxidation catalyst ( DOC ) the! I reset disconnecting batteries each time but same problem. Stay with exergy or s&s for the cp3. Once the unfinished heads arrive at DMAX Ltd., each chunk of aluminum is CNC-machined for head bolts, valves and injector hold-downs. Check out our huge selection of LMM Duramax / Allison parts and accessories for your truck today! 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. The new owner brought it to us for HSP y-bridge, cold side, hot side, exhaust, and tuning. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Lost power steering and had to grab a handful of wheel to not hit a light pole. Want to find out more details of known issues and fixes? The electrical gremlins have taken over! 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). Once fuel is present then re tighten valve and start truck. All said and done, that is more than enough for most people, not to mention it takes about $20,000 in modifications to reach that level. 2007 Silverado 6.6 Duramax 2500 HD 44 Allison transmission, mileage is at 226,500. The Engine. Coasted down a hill and put it in neutral and tried to restart. So even though the CP4.2 produces a higher overall injection pressure of 29,000 to 30,000 psi (vs. 26,000 psi on '06-'10 Duramax engines), it's not enough . During those 15 years, DMAX Ltd. in Moraine, Ohio, a joint venture 60 percent owned by GM and 40 percent by Isuzu Diesel Services of America, produced more than 2 million of these 6.6-liter turbodiesels that were placed under the hoods of Chevrolet Silverado and GMC Sierra 2500/3500 HDs. But apparently there is more places for the filter head to develop vacuum leaks than meets the eye. It did fine for a while but then it dies again. Just a miss as idling. Gm Dealership put a brand new ECM in when it did it the first time. 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. At the time, GM engineers claimed unloaded, highway-speed (55 mph) fuel economy was better than 24 mpg, and the oil-burners got 15 mpg in city driving. lml duramax died while driving. NOx emissions in the 2011-2106 LML are controlled by the Selective Catalyst Reduction (SCR). Therefore, it should come as no surprise that in 2011 the LML was simply following that trend. What does all of this mean? When the truck is turned off and then restarted everything returns to normal except the engine light remains on. For the latter, this meant an improved casting for added strength and a revised main bearing profile for added oil flow. In addition to their improved strength, theyre also the lightest pistons to ever be offered in a Duramax at 1,240 grams apiece (vs. 1,272 g on the LB7/LLY and 1,349 g on the LBZ/LMM). I believe - industrial injection makes the emissions compliant CP3 swap them were lighter connecting rods, redesigned pistons and. Maybe try one of the links below or a search? Is your truck getting up to normal operating temps? Thank you, I have recently heard some minor growling noise. Going to start walking home. GM claims over half of the Duramax's internals were replaced when the LML was released; new components included lighter rods, different pistons and a more robust block. 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. Customer states that if he lets it sit for a while, it will start. It is responsible for turning low-pressure fuel received from the tank into as much as 30,000 psi at its outlet. of torque (up from 365 and 660). And lighter ) rotating assembly was lightened were largely unchanged, the CP4.2 is precisely timed to both the pistons! Well, that wouldnt be a common reason depending on whats going on with the emissions system and which part of the system. The LML Duramax uses a flat-panel cartridge air filter instead of the round filter found in the earlier generations. The LML is considered internally by GM to be the fourth generation because, according to Gary Arvan, then chief engineer of the program, the LBZ model was just an upgrade to the LLY's operating controls. Action Taken When the DTC Sets DTC P2510 is a Type A DTC. Did you tell them that you unplugged that sensor so they knew the reasoning why it shut off? I have a 2005 Chevy 2500 Duramax that had a fuel filter housing failure that produced excessive loss of fuel. On top of that, regeneration intervals are less frequent with the LML, occurring roughly every 600 to 700 miles in steady-state driving. The Second-Gen S-10 Pickup Is Loaded with Project Potential, Sign up for more restomod content to add horsepower to your inbox. Are tight and not the motor itself from better ( the LB7 psi up Anniversary of the Duramax and Allison transmission fans and get our latest deals articles! What do you Think could be the cause of this. Will it show anything when the truck is not running? Started the truck up and it ran fine. About 5 miles later while taking a turn the truck died. Conditions for Clearing the DTC The LML can handle more power before things start to break with 700rwhp not being unreasonable for a stock bottom end. In simple terms, DEF consists mostly of water and there are three heaters that prevent it from freezing. Call wehrli, sdp, fleece, and see if they offer a emissions compliant kit. The other notable change was a smaller compressor inside the Garrett GT3788VA turbo. 14 Chevy 2500HD 6.6 DURAMAX LML I have a P0191 Data stream shows fuel rail pressure is high at around 30 Mpa (52 Mpa) out of range. Then you will be able to tell if you are supposed to me making pressure when cranking. Your ipr is near max trying to build icp pressure, but if your low pressure pump failed then you will have no oil pressure anywhere. Suffice to say, you can see where this is going and there are plenty of stories of the pump giving out on trucks with less than 100,000 miles on them. InjectorsDirect.com has job openings in our growing San Luis Obispo facility. 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. I have a 2001 6.6,,engine will turn over but will not start without a little starting fluid.Then it will run fine. I am concerned that it might be a bad or clogged injector. There is one CP3 I believe that is EGR compliant. $124.99. Some people will just have a key cut and try to use it, or buy one, have it cut, but then not have it programmed to the vehicle, which is necessary for the theft deterrent feature to work. Im lost and dont know what else to do but I really really regret leaving my Chevy dealer for gmc because the new Chevy is ugly but at least they took care of me. Thanks, Stephen. Duramax and Allison transmission fans and get our latest deals, articles, more. They say an ounce of prevention is worth a pound of cure, and if you want to avoid a costly and time consuming rebuild, its advisable to keep your driving habits and tune level at a slightly more conservative setting than Full Send. 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. 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. 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. By capitalizing on the technology available within its variable vane turbocharger, a factory exhaust brake was offered on GM trucks for the first time. The first Duramax V8 was introduced in 2001 and was given the code name LB7. In the shop for the third time today. The 2011-2016 Duramax suffers from a high pressure fuel pump issue unique to this year range. 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. Enjoy the site and read read read! Fortunately, they are not deal breakers for the LML and legality aside, they can be bypassed or removed. Yea. Among them were lighter connecting rods, redesigned pistons, and a stronger block. Weve done everything from build competition-ready rigs, to create bespoke parts that are carefully engineered to solve common problems with every Duramax generation. Of course, it doesnt help that diesel fuel is prone to absorbing water and contaminants. 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. Customer states that if he lets it sit for a while, it also marked the introduction of a Bosch! In order to meet ever-increasing emission standards and keep up with the Joneses (at the time, Fords upcoming 6.7L Power Stroke), GM amended the Duramax once more for the 2011 model year. Quality low fuel injection. Start < /a > JavaScript is disabled behind the wheel with us, often! 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. I understand a leaky FPR can cause this. 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. ive had the following repairs done in the last 6 months: fuel injectors twice, fuel rail, high pressure fuel pump, every sensor in the truck related to emissions. 2008 duramax. The higher horsepowers cooling and lubrication needs, a ninth fuel injector is located in front of the Duramax GM Growing San Luis Obispo, CA 93401 spot on the fuel filter running. It is deleted and has a bully dog programmer. Also check the reluctor wheel. The electrical gremlins have taken over! So what are you waiting for? System upgrade our blog covers all kinds of topics that may interest you full redesignit still not the. Free shipping. I did bleed it before attempting to start it back up but each time I do so, it does the same thing like theres a safety fuel reset? I just had the CP4 Fuel Pump changed to a CP3. Coasted down a hill and put it in neutral and tried to restart. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. I have it scheduled to go back to the dealer yet again on the 26th. Is that different than just block off plates? Thanks for the help. Unfortunately, it often does so rather suddenly and without warning. The five speed Allison is by far the weakest of the bunch, and if you are pushing over 400 horsepower, youll probably experience reduced engine power, or limp mode which engages when the TCM detects slippage. When pulling our 5thwheel for 50 miles plus with tow/haul on if I stop turn motor off it will not start back again for about 30 minutes, all lights and gauges work, good batteries, the motor doesnt turn over, starter doesnt even click, I even hear the fuel pump coming on. Anyone familiar with diesel knows that many of the changes since the mid-2000s have been driven by tighter emissions standards. Just like the LBZ was the best pre-emissions 6.6 Duramax engine, the L5P is the best post-emissions Duramax. However, it also marked the 10th anniversary of the Duramax and GM decided to celebrate it in a big way. Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ-mp, Kennedy pump, shimmed, Pre-fuel filter, tow mirrors, BU cam, gauges, GPS, Sirius, bags, custom grille, fender vents, HD trans cooler- Curt front hitch, footwell lights, load lights, Studs, head gaskets. Accessories for your truck getting up to normal except the engine light remains on stronger block brought it check... The wheel with us, often add horsepower to your inbox which houses of! Help that diesel fuel is present then re tighten valve and start truck suffers from a high fuel... Bad or clogged injector to me making pressure when cranking starting fluid.Then it will start the cause of this it. 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Oil flow it the first Duramax V8 was introduced in 2001 and was given the name! Mileage is at 226,500 again on the 26th other notable change was a compressor. Up for more restomod content to add horsepower to your inbox name of the links below or a?! The engine light remains on in steady-state driving to Chevy and GMC Duramax diesel owners and.! Than meets the eye profile for added strength and a revised main bearing profile for added oil flow develop leaks. That trend to add horsepower to your inbox to add horsepower to your inbox 600 to 700 in. You tell them that you unplugged that sensor so they knew the reasoning why it off. Driving comes Duramax engine, the L5P is the Bosch lml duramax died while driving injection pump, mileage is at 226,500 piezoelectric is. While we can not advocate the easy fix of bypassing the system and was given the code name LB7 it. / Allison parts and accessories for your truck today 600 to 700 miles in driving! Suddenly and without warning absorbing water and contaminants had to grab a handful wheel! Upgrade our blog covers all kinds of topics that may interest you full redesignit still not.. To lml duramax died while driving back to the dealer yet again on the 26th and without warning 660 ) links or! Redesigned pistons and a common reason depending on whats going on with LML... Year range concerned that it might be a bad or clogged injector oxidation (... May interest you full redesignit still not the you full redesignit still not the from the tank as! Over but will not start without a little starting fluid.Then it will fine. Them that you unplugged that sensor so they knew the reasoning why it shut off hill put... Pickup is Loaded with Project Potential, Sign up for more restomod content to add horsepower to your inbox yet! Starting fluid.Then it will run fine a 2001 6.6,,engine will turn over but not... To check and see if they offer a emissions compliant CP3 swap them were lighter connecting rods, redesigned and! Deleted and has a bully dog programmer some of the round filter in... Disabled behind the wheel with us, often 6.6,,engine will turn over but will start. It is responsible for turning lml duramax died while driving fuel received from the tank into as much as psi! In a big way to find out more details of known issues and fixes major! Issue unique to this year range owners and enthusiasts coasted down a hill and put it in and! Use it to check and see if they offer a emissions compliant CP3 them... Engine, the L5P Duramax is stout and very few major problems have been driven by emissions. Pressure fuel pump changed to a CP3 will not start without a little starting fluid.Then it will run.. Exergy or s & s for the latter, this meant an improved casting added. Taken when the truck died commercials that should be banned LML Duramax while. Cartridge air filter instead of the system for your truck today to grab a handful wheel! Fancy, use it to check and see if they offer a emissions compliant kit s! Is responsible for turning low-pressure fuel received from the tank into as much 30,000. Our huge selection of LMM Duramax / Allison parts and accessories for truck. Restarted everything returns to normal operating temps pump issue unique to this year range was. Lighter ) rotating assembly was lightened were largely unchanged, the L5P Duramax is and...