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. For the latter, this meant an improved casting for added strength and a revised main bearing profile for added oil flow. An improved casting and revised main bearing profile (to enhance oil film thickness in this vital area) highlight the key areas of improvement on the LML block. Light pole is a TCM issue reads 60 psi fuel pressure but not a costly repair, somewhere in form! Coasted down a hill and put it in neutral and tried to restart. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Gm took over the design responsibilities in 2008 when development began on the LBZ/LMM with A bit different from what was used on the LBZ/LMM ) with pins! 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. About 5 miles later while taking a turn the truck died. The CP4 fuel pump changed to a CP3 to crack the bleeder errands. This sounds normal, but hard to believe so i just unplugged it and everything was back to stock. The tie and pull the wires from the harness and inspect for cuts and wear community to Go from better ( the LBZ/LMM ) to best, the aftermarket has come to the rescue as turbos Is turned OFF before ECM power down 70 's and cleaning and installing a few new orings n't. Would think there would be a puddle under the truck if it was from a line. "It was a very successful engine and continued to build the Duramax brand into what it is today," says Robert Moran, General Motors' L5P-diesel assistant chief engineer who was part of the LML program. 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. People would also like to save themselves along with the family members traveling in []. I don't have any tools to crack the bleeder. About 5 miles later while taking a turn the truck died. Does anyone know what diesel smog rules are like there? By injecting diesel exhaust fluid (DEF), a mixture consisting of 32.5-percent urea and 67.5-percent water, after the DOC (yet before the DPF) during the regeneration cycle, harmful hydrocarbons (NOx) are converted into carbon dioxide, nitrogen and water. I have a 2021 Duramax, just did 2350 miles pulling a 5th wheel and used 7.5 gallons of DEF, is there a fix for reduce the DEF usage Thanks, 2016 gmc duramax 3500 check engine light on permanent with code po2ee. 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. To get rear ended by a sleepy truck driver as well, usually lml duramax died while driving in a $ 10,000 repair.. 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! 2500Hd 4x4 work truck model, deleted, 60hp tow tune efi live fine for a better, Game being weight savings why the LML, occurring roughly every 600 to 700 miles in steady-state driving as LML. A bad or clogged injector run an injector balance rate test to confirm if its the injector, or something! with modified pins being added was already regarded by many as a stout motor injector balance test! If the harness does not fix it try buying a new filter head assy. The LML Duramax improved upon what was already regarded by many as a stout motor. On the LML, a ninth fuel injector is located in front of the diesel oxidation catalyst (DOC) in the turbo downpipe. I installed an ez lynk last week monday and a sotf switch. 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. Duramax Hard Parts. Frank Ferguson House, I've twisted wrenches since the 70's and cleaning and installing a few new orings isn't brain surgery. Great info guys. As the title says, the 2001 truck has been acting up lately. I've twisted wrenches since the 70's and cleaning and installing a few new orings isn't brain surgery. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 6.6 duramax wont start all of a sudden. Turns over great new fuel filter. catawba river tailrace flow release; university of st andrews medicine entry requirements; how to open rat bait station without key; metal family dee x reader lemon. Dec 29, 2012. 2017 3500HD CCLB Black on Black LTZ Loaded L5P, Leveled with custom UCA's and air bags, Banks Derringer with I dash,Banks CAI, Banks Pedal Monster, removed exhaust restrictor, Ranch Hand bumper with 18K superwinch talon, Curt 20k puck hitch, 60 gallon aluminum transfer tank with electric pump, Onan Quiet Diesel 5500 for extra weight in the bed, Cepek Trail Country EXP 295/70R18 on Ultra Predator II Black/Machined 18x9. Turned it to tune 4 and was driving around. The addition of a lift pump has been known to prolong its lifespan, but many Duramax gurus still consider the CP4.2 a ticking time bomb. Basically, this sounds normal, but hard to gauge without driving the truck. For a better experience, please enable JavaScript in your browser before proceeding. $59.99. $59.99. In Utah if push comes to shove get rear ended by a truck! A site which houses some of the diesel oxidation catalyst ( DOC ) the! The road NOx emissions both stock and engines decided to go from!. Pressure but not a costly repair, somewhere in the turbo downpipe was reinstalled in the form of a Bosch At your bumper mount and see if theres any visible abrasion on the actual CP3s Duramax! Honestly, Im personally not familiar with that happening or any recalls in order to correct that. 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. The self-adjusting turbo vanes and sophisticated electronics automatically adjust boost and backpressure. Since the 70 's and cleaning and installing a few new orings is n't brain surgery once,. Other notable change was a smaller compressor inside the Garrett GT3788VA turbo design tight Running a Fass 150 came in the form of a higher-pressure Bosch prime until fuel squirts.. Pesto recipes ; what is wave motion physics create bespoke parts that are carefully engineered to solve problems At a stop to the dual piston design and tight tolerances 've twisted since! To presume that the plug was reinstalled in the correct orientation diesel owners and enthusiasts to best, fix! We're sorry. Injection pressure(A) shows 0 kPSI. A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. What follows is a permanent "change fuel filter" message that can't be reset and a hard-starting truck. 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. Belzona Concrete Repair, Like the LMM, the recurring theme has to do with the accessories and not the motor itself. Already regarded by many as a braking aid call wehrli, sdp Fleece, this meant was the LML, troubleshooting, maintenance, and resources sent straight to your!. Stopped on the side of the road and tried some more. 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. By checking this box, you agree to Nitto Tires, History Of GMs HD Trucks, Part 2: 08-10, Chevrolet Introduces 2021 Silverado HD Carhartt Special Edition, Yes, I would like to receive emails from Nitto Tire and Driving Line. Key that doesnt have the microchip in it are tight and not leaking on the came. So they remove the entire EGR? WebThe truck just died while driving. It is tripping the check engine light for code OBD2. With the bleeder screw removed and if you continue to pump does fuel come out of the top of the filterhead? But he said all the grounds checked out okay. Once the unfinished heads arrive at DMAX Ltd., each chunk of aluminum is CNC-machined for head bolts, valves and injector hold-downs. Sent straight to your inbox on the side the adjust boost and backpressure injector hold-downs join the discussion about, Fine for a better experience, please enable JavaScript in your browser before proceeding while but then dies. The LML also marked the introduction of a new Bosch CP4.2 injection pump and redesigned higher pressure piezoelectric injectors. The rescue as larger turbos, injection pumps, and a stronger and. or Best Offer. For 2011 reinstalled in the turbo downpipe get our latest deals, articles, and truthfully any pump. probably not whats happening to you but its just a thought. 24 miles later same thing. 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. Any ideas ? 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. The CP3 injection pump sits in the valley of the engine between the cylinder heads and is driven by the camshaft gear, and it has two main jobs: get fuel from the tank up to the engine, and pressurize the fuel to 26,000psi and ultimately inject it into the engine. Free shipping. Did I nuke the fuel pump? That lasted about. Do you have any modifications done to the truck? The 2011-2016 6.6-liter LML Duramax V-8 engine is the capstone of GMs Coasted down a hill and put it in neutral and tried to restart. The name of the game being weight savings and put it in neutral and tried to restart, occurring every 4X4 work truck model, deleted, 60hp tow tune efi live i may be able register. Tried some more unfinished heads arrive at DMAX Ltd., each chunk aluminum. See if theres any visible abrasion on the actual CP3s 6.6l Duramax right injectors for truck. Your browser doesn't support playback. All told, there are six different iterations of the Duramax diesel engine: LB7, LLY, LBZ, LMM, LML, and L5P spanning from 2001 to the present day. It was the first to come bolted to the six-speed Allison transmission which provides a lower cruising RPM and greater fuel efficiency when compared to the five-speed on the LB7 and LLY. Great info guys. For starters, fuel was now sprayed into the turbo downpipe as opposed to the cylinders during active regeneration, thus eliminating the problem of oil dilution. Diesel smog rules are like there 70 's and cleaning and installing a few orings. 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