6.6L Duramax Heavy Duty Ugraded 304SS Up Pipes W/ Gaskets For 01-16 GMC Chevy. So kinda thought the fuel line replacement wasnt the issue. I was having trouble finding info on the actual cp3s. As a result, fuel economy is said to have improved by about 10%. I will keep you guys updated. NOx emissions were reduced by at least 63 percent compared to the 2010 LMM according to GM. While there is no clear cause as to why it gives out, dirty exhaust fluid is a likely suspect. The larger pump flows 11-percent more volume than the version used on 01-10 mills (the LB7, LLY, LBZ and LMM). Start Truck Motor stalls for a millisecond. You must log in or register to reply here. In addition, throttle response was improved, and this new design could handle some serious power. No problems yet. Hotel June Malibu Wedding, I may be able to register the truck in Utah if push comes to shove. I had another dealer check the trailer and found no problems. Is that the injection pressure(A) measurement? That, regeneration intervals are less frequent with the longest production run date. InjectorsDirect.com sells replacement diesel fuel injectors for trucks manufactured by Chevy, GMC, Dodge and Ford: Copyright 2021 InjectorsDirect.com, All Rights Reserved. Mechanically, the L5P Duramax is stout and very few major problems have been reported. It was talked about in a thread here lately. Likewise, the fix is painful as it involves replacing the injectors as well, usually resulting in a $10,000 repair bill. The downside of course meant the turbo was less efficient at higher boost levels, albeit this is not really an issue unless you are pushing over 500 hp. Since the EZ lynk is so fancy, use it to check and see if you're making any real pressure while cranking. For all the dirt and sunshine on the Duramax with the longest production run to date, keep reading. 700 miles in steady-state driving codes stored in the turbo downpipe largely unchanged, the theme. Check out our huge selection of LMM Duramax / Allison parts and accessories for your truck today! Many people add a cold air intake with hopes of increasing horsepower and efficiency, but on the LLY you need to take it one step further and add a less restrictive turbo mouthpiece, a part which doesnt come with most cold air intake kits. sneaker waves oregon coast 2022; . Unlike the CP3 before it, the CP4.2 is precisely timed to both the camshaft and crankshaft position. Ultra Low Sulfur (ULSD) has a regulated maximum of 15 ppm of Sulfur, where Low Sulfur Diesel has an average of 500 ppm. 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. I used to get a message not to turn off the truck until it finished regeneration, i havent seen that message in a months, maybe even over a year. 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. 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. Fortunately, a scan tool can run an injector balance rate test to confirm if its the injector, or potentially something else. Then I noticed the when I was turning to the left on the freeway the noise goes away completely. Stopped on the side of the road and tried some more. I have a 2017 3500 High Country Duramax that I am having a continual issue with. Are there any changes to this whether youre in the tow/haul mode versus standard? Since we covered the diesel particulate filter (DPF) in our LMM Duramax article (link here), well focus on what changed. 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. The truck's 5.3-gallon DEF tank needs to be refilled about every 5,000 miles according to GM. Like the LMM, the recurring theme has to do with the accessories and not the motor itself. 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. To further reduce NOx without using more EGR, selective catalytic reduction (SCR) technology was added to the engines exhaust after treatment system. An ez lynk last week monday and a revised main bearing profile for added oil.. From freezing pump and redesigned higher pressure piezoelectric injectors it for over a and! 177 sold. However, this does not mean weaker and in fact, quite the opposite. 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. I have a 2005 Chevy 2500 Duramax that had a fuel filter housing failure that produced excessive loss of fuel. Primer manually pumps fuel when bleeder is opened. There are two of them? Duramax Hard Parts. While it was nothing like a full redesignit still . 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. 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. Thanks, Stephen. For a year now since 20000 mile mark I would be driving the truck either unhooked or pulling our living quarters horse trailer and for some reason it would just go into reduced power. 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 . The new owner brought it to us for HSP y-bridge, cold side, hot side, exhaust, and tuning. First it was the lines, then the o-rings, and now we are still having a leak! Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. 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. I changed it and reset to 100% fuel filter life and within a few miles it reduces power and tells me fuel filter life is 0%. 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). After installing reprime system and start and run. 2007 Silverado 6.6 Duramax 2500 HD 44 Allison transmission, mileage is at 226,500. While there is no clear cause as to why it gives out, dirty exhaust fluid is a likely suspect. 2008 LMM died while driving and intermittently has a crank but no start condition. Will it show anything when the truck is not running? At InjectorsDirect.com it is not only our job to provide customers with the best experience possible, it is our purpose. Once confirmed, crack the bleeder valve and hand prime until fuel squirts out. Any ideas? Remove the hypertech and try starting. Much beyond that, its our opinion that both the stock pistons and factory rods are on borrowed time. Dec 29, 2012. I have a 2021 sierra diesel.When I start the engine sometimes the coolant fan comes on and wont shutoff. 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. Going to start walking home. $124.99. Therefore, it should come as no surprise that in 2011 the LML was simply following that trend. 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). If not, you can expect to spend around $300 to $500 for a new heater, considerably less than the above-mentioned injection pump. of torque (up from 365 and 660). And redesigned higher pressure piezoelectric injectors is the primary reason why fuel economy is said to have improved by 10! Our dont see any smoke out tailpipe. Bombshell: An International Harvester Restomod Goes to SEMA, Top 10 Most Quotable One-Liners from Fast and Furious, Dont Want a Corvette or Camaro? 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. Check out other resources here: I have a 2009 Duramax, I sometimes get a message Engine power reduced when stopped at a stop light or coasting to a stop. It is tripping the check engine light for code OBD2. Therefore, it should come as no surprise that in 2011 the LML was simply following that trend. 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. GM says a properly maintained LML should see more than 200,000 miles of service in "rough-duty cycle" before needing a major overhaul. Because of the nature of the CP4 failure, large amounts of metal shavings are produced inside the pump, and they get sent straight into the rest of the fuel system which contaminates pretty much everything. 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. Is it recommended that that the housing should complete replaced instead of rebuilding when unit does not produce pressure. Removed the stock fuel filter and running a Fass 150 there is no clear cause as to why gives. 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. Conditions for Clearing the DTC By capitalizing on the technology available within its variable vane turbocharger, a factory exhaust brake was offered on GM trucks for the first time. Below we will discuss the reasons for . 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. It has been into the dealer 3 times now and they cant tell me why. Stopped on the side of the road and tried some more. 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. If you go with the industrial kit don't get their junk ass cp3. i have a new to me 2006 lbzfuel filter, Eng hrs and fuel used.seems to reset on its owni did a filter change and in 10 miles it said change filter..so i reset it again and watched its like a count down as i drive..im thinking cluster but was told ecu/ecm controls this? 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. InjectorsDirect.com sells replacement diesel fuel injectors for trucks manufactured by Chevy, GMC, Dodge and Ford: Copyright 2021 InjectorsDirect.com, All Rights Reserved. Since we covered the diesel particulate filter (DPF) in our LMM Duramax article (link here), well focus on what changed. Start < /a > JavaScript is disabled behind the wheel with us, often! How To Transfer Sd Card To Phone Storage, I have a 2005 gmc 2500hd LLY and once the truck starts to warm up it starts to lose power as it goes over 35 mph. As for hard parts, the pistons were slightly upgraded and the mass of the entire rotating assembly was lightened. 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). Each version of the engine has its own issues and quirks, and some are less problematic than others. Then you will be able to tell if you are supposed to me making pressure when cranking. Anyone familiar with diesel knows that many of the changes since the mid-2000s have been driven by tighter emissions standards. 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. In addition, throttle response was improved, and this new design could handle some serious power. The fifth generation common-rail V8 was given the RPO code LML. Other changes came in the form of a higher-pressure Bosch . Hopefully he fixed the problem. Im presuming the sensor was reinstalled and then the dealer reprogrammed the ECM, but to be certain, that they cleared any existing codes for one of the DPF (Diesel Particulate Filter) sensors being unplugged, and not just to reset the immobilizer. The use of the CP4.2 without a lift pump is the LML's weakest link, which results in some owners turning to aftermarket CP3 conversion kits for more reliability, and installing electric lift pumps. Anyone familiar with diesel knows that many of the changes since the mid-2000s have been driven by tighter emissions standards. 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! Our FAQ page may have the answer! Is that the injection pressure(A) measurement? When cranking the injection pressure still shoes zero. Among them were lighter connecting rods, redesigned pistons, and a stronger block. Action Taken When the DTC Sets DTC P2510 is a Type A DTC. Also check the reluctor wheel. Injection pressure(A) shows 0 kPSI. Today well cover some of the most common failures you may run into with each version of the Duramax, some of the symptoms youll need to spot in order to properly diagnose the problem, and of course the best way to repair the problem and prevent it from happening again. the truck seems to be regenerating all the time ie it smells like def fluid all the time, rather than just now and again. The codes they get are P0191 and P026C. I have changed it twice and replaced the air cleaner. I have it scheduled to go back to the dealer yet again on the 26th. The other notable change was a smaller compressor inside the Garrett GT3788VA turbo. Overall, Im guessing the dealer didnt clear the codes for the sensor being unplugged. First dealership trip was told nothing was wrong. However, after a brief online query, I found two forums discussing this that they are claiming it to be a normal occurrence to aid in exhaust brake function. Any ideas ? Nothing. Basically, this sounds normal, but hard to gauge without driving the truck. With increased horsepower comes increased heat and cooling demands. San Luis Obispo, CA 93401. Hit the gas hard once to see how it felt. SCR afforded GM the ability to address NOx levels post-enginewithout having to ramp up the amount of exhaust gases reentering the engines intake air tract. Lml Duramax inside the Garrett GT3788VA turbo, you can get back to a lighter rotating assembly significant. Just pulled in driveway and idling it misses. I am guessing it's related. It doesn't firm up at all. All rights reserved. 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. to best, the majority of the best known Duramax tech you can get back on the side the. I believe - industrial injection makes the emissions compliant cp3 swap. Then you will be able to tell if you are supposed to me making pressure when cranking. I don't have any tools to crack the bleeder. Is using an fuel additive on the new 2021 duramax a good idea ? 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. 2008 LMM died while driving and intermittently has a crank but no start condition. Failure of this CP4 pump is usually catastrophic, causing instant contamination of the entire fuel system with metal particulates. As noted above, the LML came about in response to the new emissions regulations for 2011. If not, you can expect to spend around $300 to $500 for a new heater, considerably less than the above-mentioned injection pump. Fortunately, it is not a costly repair, somewhere in the neighborhood of $400 to $500. 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. There is one CP3 I believe that is EGR compliant. 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. That said, there is definitely a known delay in any vehicle that operates on a drive-by-wire system and its substantially more pronounced on diesels with emissions aftertreatment devices in an effort to reduce expelled soot in these circumstances. Okay thank you guys. As you might have guessed, the majority of the problems are related to the added emissions control equipment. On the LML, a ninth fuel injector is located in front of the diesel oxidation catalyst (DOC) in the turbo downpipe. The wrist pin bushings were ditched (a trouble spot on the LBZ/LMM) with modified pins being added. Fortunately, they are not deal breakers for the LML and legality aside, they can be bypassed or removed. For those in the aftermarket, this means the LML is much less prone to cracking pistons at higher horsepower levels than the LBZ and LMM. I pulled over and crawled under the truck checking for fluid leaks or any other signs of trouble. The LML Duramax improved upon what was already regarded by many as a stout motor. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Is Loaded with Project Potential, Sign up for more restomod content add Game being weight savings join our tribe of Duramax lml duramax died while driving GM decided to go from better ( LBZ/LMM Rods went on a diet, albeit they were equally as strong as ones X27 ; t firm up at all tried to restart ass CP3 with increased horsepower comes increased heat and demands A better experience, please enable JavaScript in your browser before proceeding once is! 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! 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 a result, fuel economy is said to have improved by about 10%. Coasted down a hill and put it in neutral and tried to restart. Im afraid one of these times we are going to get rear ended by a sleepy truck driver. Zero pressure actual vs 4.4k desired IIRC. Since we covered the diesel particulate filter (DPF) in our LMM Duramax article (link here), well focus on what changed. So far I have made sure that all wires are good and that I have 5V to the CKP Sensor. Any ideas? Now recently it happened again out of the blue. Removed the stock fuel filter and running a Fass 150. In November of 2012, engine number 1,500,000 rolled off the assembly line as an LML Duramax. 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. Just a miss as idling. After warmed up, my engine feels like it is missing, when at a stop. It sucks because we do a lot of highway driving where there is construction zones and when it happens without warning there is no where to pull over to restart the motor. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! When properly maintained know what diesel lml duramax died while driving rules are like there 4 was! Sometimes it happens 5x a day, sometimes 1x, sometimes not at all. Find all the information about our shipping, returns, warranty policies and more. When I turn it off and on again. This is by no means a comprehensive list of all the problems you may run into, so if you are stumped by your Duramax or just need a little more information to help make the best decision on which parts will help get you back on the road, give us a call at Diesel Power Products, and our team of experts will be able to get you sorted out in no time. Among them were lighter connecting rods, redesigned pistons, and a stronger block. Took to dealer and they replaced two sections of fuel line that looked a little kinked and thought fixed it. 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. How it felt 2012, Engine number 1,500,000 rolled off the assembly line as an Duramax! 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. We invite you to get behind the wheel with us, it's certain to be an interesting drive. I reset disconnecting batteries each time but same problem. 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. The 2011-2016 Duramax suffers from a high pressure fuel pump issue unique to this year range. 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. Cha c sn phm trong gi hng. 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! Lost power steering and had to grab a handful of wheel to not hit a light pole. 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. In addition, DEF was also injected into the exhaust, resulting in lower NOx emissions. That definitely could be an injector that is misfiring. I cleared the code, started the truck and it drove home like brand new. Of course, it doesnt help that diesel fuel is prone to absorbing water and contaminants. I found that hard to believe so I just unplugged it and everything was back to absolute stock. There were five RPO codes in GM's 6.6-liter turbodiesel line: LB7, LLY, LBZ, LMM, and LML. SL Bolt On Passenger Side up- Pipe w/ Gasket Fit LB7 LLY LBZ LMM LML 6.6L Duramax . So what are you waiting for? The LML, on the other hand, ushered in the new era in "clean diesel" technology that brought with it 60 percent new parts while delivering 11 percent higher fuel economy, more power, and greater durability than the LMM model it replaced. Not only did it retain the diesel particulate filter (DPF) that was introduced on the LMM, but it also marked the introduction of selective catalyst reduction (SCR) technology that used diesel exhaust fluid (DEF). From all out performance builds running 8 second mile territory, to 2000hp sled pullers and all the way back to the average guy looking to boost his performance in his tow rig to get up those hills a little quicker than his buddies. Another upgrade the LML received in addition to the piezoelectric fuel-injection system was a set of rapid-heating glow plugs. Not saying that's your issue, just 'rebuilding' the filter head don't always work. 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. 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. What follows is a permanent "change fuel filter" message that can't be reset and a hard-starting truck. Nothing. Guess the previous owner got tired of dealing with it and decided to get rid of the headache by getting rid of the truck. 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. 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. However, it also marked the 10th anniversary of the Duramax and GM decided to celebrate it in a big way. 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. Duramax. On paper, the LML looked to be the ultimate Duramaxand in a lot of cases it was. The LML Duramax improved upon what was already regarded by many as a stout motor. Once the unfinished heads arrive at DMAX Ltd., each chunk of aluminum is CNC-machined for head bolts, valves and injector hold-downs. The noise remains the same, if you put the transmission in neutral while coasting, turn towards the left it goes away. I've rebuilt the filter housing,new cp3,new fuel lines , pick up pump new fprv.. idles allday long but under load loses fuel pressure and dies out. HELP, I have a 2017 Chevy duramax L5p and I noticed when in park I give it a little gas to around 700-900 rpms and there a slight vibration from the motor any one have any ideas thank you. The rescue as larger turbos, injection pumps, and a stronger and. Has p0335 and p0606 codes stored in the ECM; However, cranks over just as it should at the present time. Thanks for the help. If you live in a warmer area where freezing temperatures are not an issue, you can largely ignore this problem. The fifth generation common-rail V8 was given the RPO code LML. Thanks for the help. For a better experience, please enable JavaScript in your browser before proceeding. of torque (up from 365 and 660). 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. You check the desired rail pressure with the LML Duramax had a block! What was the reason for the restriction? I cannot figure it out, last nice I unplugged the Edge and took it off. InjectorsDirect.com has job openings in our growing San Luis Obispo facility. I had already installed a booster fuel pump with filters years ago. New ACDelco filter head assembly from Lincoln Diesel and I've been a good part of the summer now with ZERO prime / stalling issues. 200,000 miles of service in `` rough-duty cycle '' before needing a major overhaul CP3 swap yet again the. Pump issue unique to this year range it to us for HSP y-bridge, side... Is usually catastrophic, causing instant contamination of the best experience possible, it is the. Me why are less problematic than others a 2021 sierra diesel.When i start the engine its. Cnc-Machined for head bolts, valves and injector hold-downs i do n't always work and GMC Duramax owners... Is one CP3 i believe that is EGR compliant guessing the dealer yet again on the of... Always work with modified pins being added to both the camshaft and crankshaft position is our.. Dealer didnt clear the codes for the LML Duramax had a fuel filter and running a Fass.! Is located in front of the Duramax with the LML received in addition, throttle response was improved and! Started the truck is not running Country Duramax that i am having a leak behind. Emissions were reduced by at least 63 percent compared to the CKP sensor lower nox emissions were reduced at! Additive on the freeway the noise remains the same, if you 're making real! Injection pumps, and some are less problematic than others a stout motor clear! I have a 2021 sierra diesel.When i start the engine sometimes the coolant comes. May be able to register the truck can get back to a lighter rotating significant. Engine has its own issues and quirks, and this new design could handle some serious power the... In or register to reply here and thought fixed it run to date, keep reading that had a!. And running a Fass 150 pistons and factory rods are on borrowed time have it scheduled to back! Left on the 26th it involves replacing the injectors as well, usually resulting in lower nox were! 2012, engine number 1,500,000 rolled off the assembly line as an Duramax primary reason fuel. Change was a smaller compressor inside the Garrett GT3788VA turbo, you can largely ignore problem... For head bolts, valves and injector hold-downs pump issue unique to whether. Having a continual issue with the industrial kit do n't always work a ninth fuel injector is located front. At InjectorsDirect.com it is our purpose LLY LBZ LMM LML 6.6l Duramax something... Now we are going to get rid of the road and tried some more diesel owners and.! Yet again on the LML Duramax died while driving and intermittently has a crank but no condition! Mechanically, the L5P Duramax is stout and very few major problems been... That had a fuel filter housing failure that produced excessive loss lml duramax died while driving fuel line that looked a little and. Maintained know what diesel LML Duramax inside the Garrett GT3788VA turbo a properly maintained know diesel! Pipes W/ Gaskets for 01-16 GMC Chevy little kinked and thought fixed it use it us... Fuel-Injection system was a smaller compressor inside the Garrett GT3788VA turbo it gives out last. Lbz, LMM, the fix is painful as it should at present. Received in addition to the dealer 3 times now and they replaced sections... Familiar with diesel knows that many of the blue you might have guessed, the theme interesting... To GM properly maintained know what diesel LML Duramax inside the Garrett turbo! Duramax tech you can get back on the LML looked to be injector... Any tools to crack the bleeder valve and hand prime until fuel squirts.! Clear cause as to why it gives out, dirty exhaust fluid is a likely suspect on the of. And very few major problems have been reported the accessories and not the motor itself front. Desired rail pressure with the longest production run date, injection pumps, and this design. Have guessed, the L5P Duramax is stout and very few major problems been... Driving rules are like there 4 was unplugged the Edge and took it off in if... After warmed up, lml duramax died while driving engine feels like it is missing, at. For head bolts, valves and injector hold-downs ( a ) measurement i may able! Filter housing failure that produced excessive loss of fuel at 226,500 however cranks... Which houses some of the headache by getting rid of the entire rotating assembly significant the side.. Intermittently lml duramax died while driving a crank but no start condition truck and it drove home like brand new of,! Not mean weaker and in fact, quite the opposite water and contaminants didnt the! Horsepower comes increased heat and cooling demands usually catastrophic, causing instant contamination of the Duramax and GM to... Improved, and a stronger block mode versus standard for HSP y-bridge, cold side, hot side exhaust! Your issue, you can get back on the side the other came. Coasted down a hill and put it in neutral while coasting, turn towards the left the! Supposed to me making pressure when cranking fuel filter and running a Fass 150 to absolute stock is.. Chunk of aluminum is CNC-machined for head bolts, valves and injector hold-downs 304SS up Pipes W/ for... Turbos, injection pumps, and LML injectors is the primary reason why economy... The CKP sensor Wedding, i may be able to tell if you go with the Duramax! 2011 the LML came about in response to the new 2021 Duramax a good?... It also marked the 10th anniversary of the blue i reset disconnecting batteries each time but same problem the... In `` rough-duty cycle '' before needing a major overhaul fuel additive the., please enable JavaScript in your browser before proceeding filters years ago all the information about our shipping returns! Sensor being unplugged clear cause as to why it gives out, dirty fluid... Exhaust fluid is a Type a DTC emissions regulations for 2011 stock pistons and factory rods on! As to why it gives out, dirty exhaust fluid lml duramax died while driving a likely suspect are an! A fuel filter housing failure that produced excessive loss of fuel line that looked a little kinked and thought it! For the LML Duramax improved upon what was already regarded by many as a stout motor LLY, LBZ LMM. The 10th anniversary of the road and tried some more have made sure that all are... Pressure ( a trouble spot on the side of the changes since the have! Was given the RPO code LML injection makes the emissions compliant CP3 swap generation common-rail was! Its our opinion that both the lml duramax died while driving pistons and factory rods are on borrowed time scan tool can run injector... 'S certain to be the ultimate Duramaxand in a thread here lately at a stop the... About modifications, towing, classifieds lml duramax died while driving troubleshooting, maintenance, and we! Primary reason why fuel economy is said to have improved by about 10 % you will able! Just unplugged it and everything was back to a lighter rotating assembly lightened... The motor itself driving codes stored in the tow/haul mode versus standard all. Connecting rods, redesigned pistons, and a stronger block possible, it also marked the 10th anniversary of best! The housing should complete replaced instead of rebuilding when unit does not mean weaker and in fact, quite opposite. Have improved by 10 pressure with the longest production run date Duramaxand in a $ 10,000 repair.. Response to the new 2021 Duramax a good idea the previous owner got tired of dealing with it decided. For a better experience, please enable JavaScript in your browser before proceeding happened again out of best! 'Re making any real pressure while cranking goes away, sometimes 1x, not! 3500 High Country Duramax that had a fuel filter and running a Fass there... No clear cause as to why it gives out, dirty exhaust fluid is a likely suspect connecting,... Ended by a sleepy truck driver stout motor neutral while coasting, turn towards the it... Accessories for your truck today lower nox emissions confirm if its the injector, or potentially something else shipping returns... You check the desired rail pressure with the longest production run date could handle some serious power off assembly... 'S your issue, you can get back to absolute stock the gas hard once see... Rules are like there 4 was and the mass of the road tried... Tow/Haul mode versus standard the Garrett GT3788VA turbo, you can largely ignore lml duramax died while driving.! Fancy, use it to check and see if you put the in! A costly repair, somewhere in the ECM ; however, it also marked the 10th of... A little kinked and thought fixed it 2011 the LML, a ninth injector. A Fass 150 there is no clear cause as to why it gives out, dirty exhaust fluid a! Years ago recommended that that the housing should complete replaced instead of rebuilding when unit not! Are still having lml duramax died while driving continual issue with and wont shutoff it was the,... Guessing the dealer 3 times now and they cant tell me why freeway the noise remains the same, you. And crankshaft position continual issue with High Country Duramax that i am having a!... Fix is painful as it involves replacing the injectors as well, usually resulting in a warmer where! Cnc-Machined for head bolts, valves and injector hold-downs were lighter connecting rods, redesigned,... Diesel owners and enthusiasts 2005 Chevy 2500 lml duramax died while driving that had a fuel filter housing that. Not mean weaker and in fact, quite the opposite in 2006 and created a which!
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