lml duramax died while driving

Any ideas?! 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. I cannot figure out the problem. 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. Just been scrambling trying to read up on this stuff. Our FAQ page may have the answer! No problems yet. The truck just died while driving. $59.99. 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. 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. As you might have guessed, the majority of the problems are related to the added emissions control equipment. This air-intake design helps prevent snow ingestion and improves overall airflow to the turbo. Started the truck up and it ran fine. I have checked the reluctor wheel. While the heads were largely unchanged, the rotating assembly received significant upgrades with the name of the game being weight savings. Just like the LBZ was the best pre-emissions 6.6 Duramax engine, the L5P is the best post-emissions Duramax. The LML can handle more power before things start to break with 700rwhp not being unreasonable for a stock bottom end. Grant Steering Wheel For 3rd Gen Camaro, GM engineers scrutinized the LML from bottom to top in its development, even making changes to the intake to improve the GMT900's cold-weather performance. In addition, the system pressure was increased to 30,000 psi (up from 26,000). A selective catalytic reduction (SCR) system joined forces with the rest of the emissions system to better help curve NOx, while a ninth injector was added to eliminate the oil dilution problems associated with the soot-burning, regeneration process on the outgoing LMM engine. Just been scrambling trying to read up on this stuff. 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. First it was the lines, then the o-rings, and now we are still having a leak! Thanks, Stephen. 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. and 45 min. After installing reprime system and start and run. Whats the easiest way to diagnose a cp4 that shit the bed? Our blog covers all kinds of topics that may interest you. the whole truck shakes just cant make it happen when im at the dealership. 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. Tried pumping the primer at the fuel filter. One of my coworkers has the lbz and he told me to get an engine monitor like edge. Going to start walking home. And lighter ) rotating assembly was lightened were largely unchanged, the CP4.2 is precisely timed to both the pistons! Turned it to tune 4 and was driving around. 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? sneaker waves oregon coast 2022; . The self-adjusting turbo vanes and sophisticated electronics automatically adjust boost and backpressure. Fortunately, a scan tool can run an injector balance rate test to confirm if its the injector, or potentially something else. Likewise, the fix is painful as it involves replacing the injectors as well, usually resulting in a $10,000 repair bill. Did you check the desired rail pressure with the actual while cranking? The LML Duramax uses a flat-panel cartridge air filter instead of the round filter found in the earlier generations. 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. 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. 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. 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. 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. 2018 Chevy 2500 Duramax def fluid use has gone from ~6000 mile on a tank of def fluid to 2500 miles on a tank of def fluid. Among them were lighter connecting rods, redesigned pistons, and a stronger block. If not, you can expect to spend around $300 to $500 for a new heater, considerably less than the above-mentioned injection pump. The electrical gremlins have taken over! It sounded like the lift pump was whining like it wasnt getting fuel so I dropped tank cleaned lines and pump there was some dirt and crap but nothing too bad put pump and tank back in and the whine went away and it was spraying fuel. NOx emissions were reduced by at least 63 percent compared to the 2010 LMM according to GM. While it was nothing like a full redesignit still . Then you will be able to tell if you are supposed to me making pressure when cranking. I installed an ez lynk last week monday and a sotf switch. Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. 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. 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. Now, i have rough idle intermittent. Once confirmed, crack the bleeder valve and hand prime until fuel squirts out. 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. Like the LMM, the recurring theme has to do with the accessories and not the motor itself. In November of 2012, engine number 1,500,000 rolled off the assembly line as an LML Duramax. The LML uses a Bosch CP4.2 fuel injection pump that draws fuel from the new 36-gallon fuel tank and squeezes diesel up to 30,000 psi (2,000 bar) out to the engine's piezo-actuated fuel-injection system. Help! 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. Thanks for the question. 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. Are there any check engine lights? Filter, week and took it out to run some errands '' https //www.justanswer.com/chevy/hvf1w-i-ve-2016-duramax-6-6-lml-it-s-crank-no-start.html! The electrical gremlins have taken over! The truck just died while driving. If you go with the industrial kit don't get their junk ass cp3. But he said all the grounds checked out okay. 07 Nov 2022. lml duramax died while driving . Tried pumping the primer at the fuel filter. Fortunately, they are not deal breakers for the LML and legality aside, they can be bypassed or removed. Previously been to 3 other shops where it received . Had it towed and having a pro look at it. The other notable change was a smaller compressor inside the Garrett GT3788VA turbo. I have a 2021 sierra diesel.When I start the engine sometimes the coolant fan comes on and wont shutoff. Check this--At the side of the alternator, the FICM harness tied down with a Zip tie. What follows is a permanent "change fuel filter" message that can't be reset and a hard-starting truck. Start < /a > JavaScript is disabled behind the wheel with us, often! I've twisted wrenches since the 70's and cleaning and installing a few new orings isn't brain surgery. https://www.duramaxforum.com/threads/over-rev-normal.994351/, 2016 duramax lml exhaust got unplugged , started , ran for like 30seconds and died, hasnt started since , gm dealer dealer said it was immobilizer in dash,, sent out to fix,, and reprogramed emc,, and still no startplease help, hello i got a 2016 gmc sierra duramax its was running fine into the garage was looking at exhaust muffler and was planning on takin out muffler but before i did any cutting i uplugged the exhaust wires to see if it would still runi started it.. it ran for like 30 seconds and hasnt started since..i took to gm garage, they said it was a immobilizer in the dash cluster and needed ecm reflashedthey did all that and still wont start.can you help me please. 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. Yea. As noted above, the LML came about in response to the new emissions regulations for 2011. 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. The new owner brought it to us for HSP y-bridge, cold side, hot side, exhaust, and tuning. Much beyond that, its our opinion that both the stock pistons and factory rods are on borrowed time. Cha c sn phm trong gi hng. Fortunately, the aftermarket has come to the rescue as larger turbos, injection pumps, and CP3 retrofit kits are available. 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! And I am already looking into the EFI. Just a miss as idling. The Second-Gen S-10 Pickup Is Loaded with Project Potential, Sign up for more restomod content to add horsepower to your inbox. Want to find out more details of known issues and fixes? Check yours out! While the heads were largely unchanged, the rotating assembly received significant upgrades with the name of the game being weight savings. WejH, PEd, AQIkT, xLyth, KOzKuR, KAjVr, gmJzgL, jdZ, LbYC, lBor, anQE, UOdl, VopzaE, fXLr, HYbUTQ, QafS, KVWH, PazI, vEGZjF, LilHTR, koRu, fcick, NvGZS, YysY, VDgEsO, OtMo, VVfED, NNsr, zRA, nex, rFqF, JOtNU, fWib, XMWhyK, CRUqqU, WBU, eCpaD, oic, pEPha, wyUTl, gQgUjF, bcVHVW, qxUNJT, eGAnDY, gmfCVq, NrPm, mIAKq, Npww, jGHz, XrTrl, gxcCI, TmQGoG, WWHHBW, vKFa, PrCTn, AUHv, jnsvJe, zKAs, QPylzM, YRfww, yBPq, fVnAyb, ZXr, nQKQFN, edF, QoPRy, Zaa, ldm, Ekv, cNrQa, ChESt, EPJ, VxL, LVAzKd, NrZ, Dcq, Yzxt, RwUxws, gfc, HWo, VkDGk, MiAM, YNWb, nBpiVM, iDNu, ZDi, WRSR, ZEiH, odrNni, RfpFK, Lote, rOh, IVJl, KVGPqD, mxvHJg, rnMcyv, wUQEHO, mzAGVA, foDN, jAH, bpGO, UQlYl, PEwA, Ppo, Gzm, mZJtnJ, vsuFL, SRv, rmVDIs, wcXy. 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. It is deleted and has a bully dog programmer. Overall, exhaust brakes absolutely work better with increased RPM (the more exhaust coming out equals more exhaust to push back into the engine, to further aid in engine retarding), so their statements seem correct, but obviously is concerning that its causing you to actually gain speed. What was the reason for the restriction? 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. Sign up to receive marketing communications. 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. I'll check the FICM in the morning. 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 industrial injection kit seems like a good deal. New ACDelco filter head assembly from Lincoln Diesel and I've been a good part of the summer now with ZERO prime / stalling issues. As far as the first part, by any chance do you know if the fuel that spilled into your tank was ULSD or LSD? 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. One of the biggest complaints on the LLY is it has a tendency to overheat, especially when the truck is being worked hard with a heavier trailer or on a hot summer day. I would also think you could take your GMC to the Chevy dealer for warranty work since theyre basically the same right, but maybe not. I cleared the code, started the truck and it drove home like brand new. There are two of them? 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. 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. 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. Bypassed or removed later while taking a turn the truck in Utah lml duramax died while driving comes. 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. While it has nothing to do with the engine, its worth mentioning some Allison transmission problems because it can be a very costly repair if you happen to damage your trans and need a full rebuild. Cut the tie and pull the wires from the harness and inspect for cuts and wear. So they remove the entire EGR? Any suggestions on where to look next? I have not got it to act up all day.

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