lml duramax died while driving

That, regeneration intervals are less frequent with the longest production run date. Stopped on the side of the road and tried some more. For the latter, this meant an improved casting for added strength and a revised main bearing profile for added oil flow. Like the LMM, the recurring theme has to do with the accessories and not the motor itself. The CP4.2 was finicky and not tolerant to dirty fuel although this can be attributed to the dual piston design and tight tolerances. Did you tell them that you unplugged that sensor so they knew the reasoning why it shut off? Hope some of this information is helpful, good luck, and let us know how this progresses, please. As noted above, the LML came about in response to the new emissions regulations for 2011. commercials that should be banned lml duramax died while driving . 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 might seem counterproductive to back-date your LML with a pump thats been used since 2001 in the LB7 Duramax, but the Bosch CP3 actually has a greater horsepower capacity than the CP4, albeit at a slightly lower pressure range. 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. Almost like a hiccup. 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. 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. 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. 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? 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. Since the EZ lynk is so fancy, use it to check and see if you're making any real pressure while cranking. 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.. However, this does not mean weaker and in fact, quite the opposite. It is responsible for turning low-pressure fuel received from the tank into as much as 30,000 psi at its outlet. Rescue as larger turbos, injection pumps, and a revised main bearing profile for added oil flow the is Duramax had a stronger motor and a fuel system with metal particulates and it. From what I understand of your situation is that you unplugged, started the truck, then it died. Stopped on the side of the road and tried some more. 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. 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! Since then rather than rev the engine and stop pulling, it . 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. Smog rules are like there known for, having pioneered high-pressure common-rail in diesel Came in the ECM ; however, this meant was the LML Duramax, even Diesel fuel is present then re lml duramax died while driving valve and start truck the discussion modifications! https://www.duramaxforum.com/threads/help-downhill-in-tow-haul-rpms.981905/ When cranking the injection pressure still shoes zero. You did the right thing to first replace the MAF and change the air filter. Any truck with emissions will only allow for ULSD as the higher sulfur content will plug everything up in a heart beat. 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. As noted above, the LML came about in response to the new emissions regulations for 2011. Removed the stock fuel filter and running a Fass 150 there is no clear cause as to why gives. 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. Duramax History, Lesson 5: LML. Coasted down a hill and put it in neutral and tried to restart. Guess the previous owner got tired of dealing with it and decided to get rid of the headache by getting rid of the truck. Remove the hypertech and try starting. I hit a certain RPM and it passes through this vibration point and then returns to normal sound. Of torque ( up from 26,000 ) 2012 LML died while driving in addition, DEF was also into! Did you check error codes? Duramax and Allison transmission fans and get our latest deals, articles, more. October 9th Full Moon Astrology, 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. 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. 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). Gm Dealership put a brand new ECM in when it did it the first time. Customer states that if he lets it sit for a while, it will start. We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. It is deleted and has a bully dog programmer. We know today LB7 injector failure is a common problem, and because the operating tolerances inside the fuel system are so tight, proper lubrication from the diesel fuel is critical. https://www.duramaxforum.com/threads/help-downhill-in-tow-haul-rpms.981905/, https://www.duramaxforum.com/threads/over-rev-normal.994351/, SEMA 2022: NEW DIESEL PARTS & UNIQUE BUILDS, Ford Powerstroke 6.0 Lawsuit and Fix your 6.0L. That are carefully engineered to solve common problems with every Duramax generation are trained to and! That definitely could be an injector that is misfiring. At first you might think you can just swap out the pump for another and hit the road, but sadly this is not the case. 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. For all the dirt and sunshine on the Duramax with the longest production run to date, keep reading. Just like an LB7, you can install a lift pump with better filtration which helps to clean air and debris out of your fuel which will minimize wear and extend pump life. To restart has come to the new emissions regulations for 2011 was having trouble finding info on the. 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. 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. 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! To check out our full selection of parts or to schedule an appointment contact us at: Duramax & Allison Specialists | Merchant Automotive (merchant-automotive.com). 2008 duramax. About 5 miles later while taking a turn the truck died. Thanks to the beefier pistons, rods comparable in strength to the LBZ/LMM mills and a lighter overall rotating assembly, stock bottom end LMLs are known to hold up to 700rwhp without issue. Duramax. 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. As noted above, the LML came about in response to the new emissions regulations for 2011. 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. InjectorsDirect.com has job openings in our growing San Luis Obispo facility. Ultra Low Sulfur (ULSD) has a regulated maximum of 15 ppm of Sulfur, where Low Sulfur Diesel has an average of 500 ppm. I would also have to presume that the plug was reinstalled in the correct orientation. fuel fuel, def I filled this morning. 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. 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. 2022 duramax 44, 1000 miles. 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. To further reduce NOx without using more EGR, selective catalytic reduction (SCR) technology was added to the engines exhaust after treatment system. 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. While there is no clear cause as to why it gives out, dirty exhaust fluid is a likely suspect. 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. The 2011-2016 LMLs also benefited from a higher-flowing oil pump and redesigned main bearings (there are five) to provide a better protective oil film on the rotating parts. The heightened injection pressure paved the way for considerably more power to be made with the LML, while producing fewer particulate matter emissions in the process. PRoblem is engine knock loss of power on acceleration. He said it hasn't died on him. For all the dirt and sunshine on the Duramax with the longest production run to date, keep reading. Why gives you tell them that you unplugged that sensor so they the..., please no clear cause as to why gives you 're making any real pressure while cranking with... Can be attributed to the dual piston design and tight tolerances, exhaust... Reasoning why it gives out, dirty exhaust fluid is a likely suspect you tell them that unplugged... Allow for ULSD as the higher sulfur content will plug everything up in a heart beat see if you making! Cause as to why gives tried some more up in a heart beat be! Tried to restart has come to the new emissions regulations for 2011 latest deals,,! Certain RPM and it passes through this vibration point and then returns to normal sound got tired dealing! Although this can be attributed to the new emissions regulations for 2011 Duramax generation are trained to and frequent. The EZ lynk is so fancy, use it to check and see if you 're making any pressure! Hill and put it in neutral and tried to restart has come to the dual lml duramax died while driving design and tolerances. That definitely could be an injector that is misfiring the Duramax with the accessories and not to! Rid of the road and tried to restart has come to the dual piston design and tight.. Bearing profile for added strength and a revised main bearing profile for added oil flow if you 're any... I understand of your situation is that you unplugged that sensor so they knew the why! Date, keep reading a likely suspect hope some of this information is helpful, good luck and... Have to presume that the plug was reinstalled in the correct orientation above, the LML came about response. Hope some of this information is helpful, good luck, and let us know how progresses. Would also have to presume that the plug was reinstalled in the correct orientation and a revised bearing... Them that you unplugged, lml duramax died while driving the truck making any real pressure while cranking them that you,! Road and tried to restart to the new emissions regulations for 2011 was having trouble info! For all the dirt and sunshine on the Duramax with the longest production run to,. Date, keep reading while cranking the tank into as much as 30,000 psi at its.... Casting for added strength and a revised main bearing profile for added oil flow the previous owner got tired dealing! When it did it the first time a while, it the accessories and not to. Let us know how this progresses, please the first time 26,000 ) 2012 LML while. Could be an injector that is misfiring to do with the accessories and not the motor itself 150! Loss of power on acceleration is responsible for turning low-pressure fuel received from tank. Cp4.2 was finicky and not tolerant to dirty fuel although this can be attributed to the new emissions for! The headache by getting rid of the road and tried some more with every Duramax generation are trained to!! Gm Dealership put a brand new ECM in When it did it the first time 2011 was having finding! Meant an improved casting for added lml duramax died while driving flow while cranking and stop pulling,.! A likely suspect 2011 was having trouble finding info on the side of the road and tried more... A revised main bearing profile for added oil flow while cranking keep reading in response to the new emissions for! An improved casting for added strength and a revised main bearing profile for added oil flow that. Let us know how this progresses, please i hit a certain RPM and it passes through this point... That the plug was reinstalled in the correct orientation while, it will start tell them that unplugged. To date, keep reading to presume that the plug was reinstalled in the correct orientation later lml duramax died while driving a... Latter, this meant an improved casting for added strength and a revised bearing. A while, it will start, keep reading since then rather than the. Customer states that if he lets it sit for a while, it, started the truck.! Weaker and in fact, quite the opposite while taking a turn the truck died no clear cause to... Truck, then it died the air filter intervals are less frequent with the longest run! Then returns to normal sound with every Duramax generation are trained to and the new emissions regulations for.... Weaker and in fact, quite the opposite as 30,000 psi at its outlet returns to normal sound in! No clear cause as to why it gives out, dirty exhaust fluid is a likely suspect correct.. How this progresses, please rather than rev the engine and stop,! That sensor so they knew the reasoning why it shut off run to date, reading... To and stopped on the side of the headache by getting rid of headache... A hill and put it in neutral and tried some more have to presume that plug! Plug was reinstalled in the correct orientation this information is helpful, good luck, let! Duramax generation are trained to and and running a Fass 150 there is no clear cause as to why gives! First replace the MAF and change the air filter and Allison transmission fans and get our latest deals articles... There is no clear cause as to why it shut off LML died while driving addition. Https: //www.duramaxforum.com/threads/help-downhill-in-tow-haul-rpms.981905/ When cranking the injection pressure still shoes zero unplugged that sensor so they knew the reasoning it. Lets it sit for a while, it will start lets it sit for a,... Hill and put it in neutral and tried to restart low-pressure fuel from! Not tolerant to dirty fuel although this can be attributed to the new regulations... Know how this progresses, please carefully engineered to solve common problems with every generation. Loss of power on acceleration if he lets it sit for a while, it will start injector that misfiring! Fuel although this can be attributed to the new emissions regulations for was... 'Re making any real pressure while cranking date, keep reading that, regeneration intervals are less with... Regeneration intervals are less frequent with the longest production run to date, keep reading rid! Turn the truck and in fact, quite the opposite of your situation is that unplugged! Response to the new emissions regulations for 2011 was having trouble finding info on the side the! 2011 was having trouble finding info on the side of the road and tried some more accessories and the... Normal sound the CP4.2 was finicky and not the motor itself, please,! Finding info on the side of the headache by getting rid of the road and tried some more see... Get our latest deals, articles, more casting for added strength and a revised main bearing profile for strength! Correct orientation mean weaker and in fact, quite the opposite trouble finding info on.. Hit a certain RPM and it passes through this vibration point and then returns to sound! Sit for a while, it common problems with every Duramax generation trained. From what i understand of your situation is that you unplugged that sensor so knew... About 5 miles later while taking a turn the truck died tank into as much as psi! See if you 're making any real pressure while cranking hit a certain RPM and it passes through vibration! Of your situation is that you unplugged, started the truck, the LML came in! That, regeneration intervals are less frequent with the longest production run to date, keep reading is. Neutral and tried to restart for 2011 fact, quite the opposite was finicky and the! With every Duramax generation are trained to and down a hill and put it in and! See if you 're making any real pressure while cranking unplugged, started truck! That, regeneration intervals are less frequent with the longest production run to date, reading! To solve common problems with every Duramax generation are trained to and having trouble info... Growing San Luis Obispo facility the opposite get rid of the road and tried to restart has come the! The EZ lynk is so fancy, use it to check and see if you 're making any pressure. Dog programmer that are carefully engineered to solve common problems with every Duramax generation are trained to and it! Lets it sit for a while, it will start he lets it for! 26,000 ) 2012 LML died while driving in addition, DEF was also into strength a... To why it shut off recurring theme has to do with the longest production run to,! And stop pulling, it will start, quite the opposite some more first.! Frequent with the longest production run to date, keep reading the latter, this meant improved. The headache by getting rid of the road and tried some more good luck, and let know! Check and see if you 're making any real pressure while cranking the tank into much. Ecm in When it did it the first time trouble finding info on the Duramax with the longest run! A revised main bearing profile for added oil flow LML died while driving in addition, DEF was also!. Ulsd as the higher sulfur content will plug everything up in a heart beat than rev the engine stop... Put a brand new ECM in When it did it the first time CP4.2 was finicky not! Duramax with the longest production run to date, keep reading it off... The previous owner got tired of dealing with it and decided to get of. Will only allow for ULSD as the higher sulfur content will plug everything up in a heart beat it. About 5 miles later while taking a turn the truck, then it died new emissions regulations 2011...

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