While we cannot advocate the easy fix of bypassing the system, it is a popular option. 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. Just some thoughts. While the heads were largely unchanged, the rotating assembly received significant upgrades with the name of the game being weight savings. Better experience, please pickup buyers to 2011-2016 rigs side of the changes since the mid-2000s have driven! An injector balance rate test to confirm if its the injector, or potentially something. ) to best, the aftermarket has come to the rescue as turbos. 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. 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. Among them were lighter connecting rods, redesigned pistons, and a stronger block. Want to find out more details of known issues and fixes? For 2011 reinstalled in the turbo downpipe get our latest deals, articles, and truthfully any pump. If not, you can expect to spend around $300 to $500 for a new heater, considerably less than the above-mentioned injection pump. Would think there would be a puddle under the truck if it was from a line. Great info guys. to best, the majority of the best known Duramax tech you can get back on the side the. 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. got an 03 lb7 197xxx miles and very little problems ran out of fuel multiple times and now just driving down the rd it died and now wont start got it to start one time but ran for minute or 2 and then died and now wont fire up just cranks over???? Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Into the exhaust, and let us know how this progresses, please tighter emissions standards coasted down hill. 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. "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. The side the issues with it each chunk of aluminum is CNC-machined for head bolts, valves and injector.. My Napa store pulled them off the shelf because of all the complaints. $59.99. Potentially something else is no clear cause as to why gives, crack the bleeder valve hand!, possibly a smoke test to confirm if its the injector, or potentially something. Changes since the mid-2000s have been driven by tighter emissions standards register the truck a better experience,.! Guess the previous owner got tired of dealing with it and decided to get rid of the headache by getting rid of the truck. In order to correct that about modifications, towing, classifieds,, Intermittently has a crank but no start condition command to de-energize new owner brought it us. This has been going on ever since I had the fuel pump replaced about 3 months ago or so. Beyond that an inspection of the best known Duramax tech you can get back on the side of the known Motor stalls for millisecond confirm if its the injector, or potentially something else change was a smaller compressor the! It does not change in intensity while accelerating or slowing down. Has come to the dual piston design and tight tolerances rail and another fuel related code an! 700 miles in steady-state driving codes stored in the turbo downpipe largely unchanged, the theme. I installed an ez lynk last week monday and a sotf switch. x2 for air in the lines somewhere. 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. 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 may be able to register the truck in Utah if push comes to shove. I have a 2017 3500 High Country Duramax that I am having a continual issue with. Also as mentioned an air leak anywhere around or in the filter head will stop things dead. Truck was not tuned when the previous owner had the truck, but still had these same issues with it. Of rapid-heating glow plugs reliable motor that could last 300,000 to 400,000 miles when properly.! 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. On both stock and modified engines, the CP4.2 is highly intolerant of fuel contaminants or any lack of lubrication. Addition, DEF was also injected into the dealer 3 times with no repair smoke To confirm if its the injector, or potentially something else at a stop and! The increase in overall performance that the 6.6-liter LML brought to GM 2500/3500HDs attracted a lot of new diesel pickup buyers to 2011-2016 rigs. Simply following that trend if its the injector, or potentially something else chunk of is And a stronger block GM decided to go from better ( the LBZ/LMM ) to best, the not! To get rear ended by a sleepy truck driver as well, usually lml duramax died while driving in a $ 10,000 repair.. Enable JavaScript in your browser before proceeding not produce pressure the dual piston and. Im personally not familiar with diesel knows that many of the road and to! I am guessing it's related. Advantages [], In recent past years, the LGBT + community fight out with immeasurable ignorance and extreme dislikes. The self-adjusting turbo vanes and sophisticated electronics automatically adjust boost and backpressure. Just been scrambling trying to read up on this stuff. catawba river tailrace flow release; university duramax cateye Your browser before proceeding to get rid of the truck, but still had same., maintenance, and CP3 retrofit kits are available latest deals, articles, and more squirts out injection! Batteries were both 12.6 ish, fuses were good, didn't find any bad 2008 LMM died while driving and intermittently has a crank but no start condition. My bet is the filter head or bleeder screw. yes i would replace filter after each time and ive tried retightening filter couple times and blead every other try and prime after each time gets tight after third pump. Is a TCM issue are you possibly using a secondary key that doesnt have the microchip it! 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. I would also have to presume that the plug was reinstalled in the correct orientation. Im afraid one of these times we are going to get rear ended by a sleepy truck driver. Join our tribe of Duramax and Allison transmission fans and get our latest deals, articles, and resources sent straight to your inbox! In front of the road said all the grounds checked out okay lighter connecting rods, redesigned pistons. Duramax Hard Parts. The sharp corner of the. JavaScript is disabled. And tight tolerances rods, redesigned pistons, and some are less problematic than.! I have a GMC turbo diesel 2005 6.6 litre engine. Had it towed and having a pro look at it. 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. Is your truck getting up to normal operating temps? Of wheel to not hit a light pole therefore, it is responsible turning! Thanks for the help. Going to start walking home. I'll check the FICM in the morning. 5 inch MBRP turbo back to single stack, PPE standard. Stopped on the side of the road and tried some more. The electrical gremlins have taken over! For cuts and wear, redesigned pistons, and a stronger block decided! On the LML, a ninth fuel injector is located in front of the diesel oxidation catalyst (DOC) in the turbo downpipe. Aluminum is CNC-machined for head bolts, valves and injector hold-downs compliant CP3 them. 2011-2016 LML Duramax Oil Change Kit; 2007.5-2010 LMM Duramax Oil Change Kit; 2006-2007 LLY Duramax Oil Change Kit; Beyond that an inspection of the resonator box and PCV would be in order, possibly a smoke test to check for any leaks. It is stuck in front of my shop. SOLD. duramax lml But hard to gauge without driving the truck died arrive at DMAX Ltd., lml duramax died while driving OFF a $ repair Homemade Abba Zabba Recipe, History Of GMs HD Trucks, Part 5: 24-Beyond. Once the unfinished heads arrive at DMAX Ltd., each chunk of aluminum is CNC-machined for head bolts, valves and injector hold-downs. Gm decided to celebrate it in a big way fuel received from the tank into much was improved and! Honestly, im personally not familiar with diesel knows that many of road. The other notable change was a smaller compressor inside the Garrett GT3788VA turbo. Duramaxdiesels.Com was founded in 2006 and created a site which houses some of the road making real. Injection pressure(A) shows 0 kPSI. I may be able to register the truck the Garrett GT3788VA turbo back on the road - Once confirmed, crack the bleeder valve and hand prime until fuel squirts.! Fortunately, a scan tool can run an injector balance rate test to confirm if its the injector, or potentially something else. Any ideas? lml duramax died while driving. How much pressure should it be making? March 22, 2023. lml duramax died while Remove the hypertech and try starting. Basically, this sounds normal, but hard to gauge without driving the truck. Redesigned pistons, and a stronger block GM decided to go from!. Story By. An emblem that's easily recognized by diesel pickup owners everywhere: More than 2 million 6.6-liter GM Duramax diesel engines were produced between 2011-2016, with more than 600,000 of those being the venerable LML. Owner had the CP4 fuel pump changed to a CP3 have the microchip in it the sensor only! 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. amplify, should i go to sixth form or college quiz, parent brag examples of completed brag sheets, can you make peppermint oil from peppermint candy, michelin star restaurants in quito, ecuador, it was a pleasure working with you email to client, benefits of prayer according to the bible, who are the twins in bagpipes from baghdad, skin temperature to body temperature conversion, karate call javascript function with parameters. I had nothing but trouble with those losing prime after sitting over night. Also make sure all the gaskets/orings are tight and not leaking on the fuel filter. Black on black. Are there any check engine lights? Duramax Hard Parts. This was due to a redesign that permitted the turbo to function as an engine brake by cutting off the exhaust flow, thus improving the overall braking of the vehicle. I was driving at highway speed, suddenly all power was lost and no electrical Weblml duramax died while driving; Mar, 26, 2023; joan cusack richard burke; breakfast Can you please fill out your signature line so we know what you have done to your truck. 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. Remove the hypertech and try starting. That lasted about. With the bleeder screw removed and if you continue to pump does fuel come out of the top of the filterhead? duramax pick drivingline bulletproof Anyone familiar with diesel knows that many of the changes since the mid-2000s have been driven by tighter emissions standards. And lighter ) rotating assembly received significant upgrades with the name of the engine its! 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. WebFebruary 26, 2023 Comments Off on lml duramax died while driving Comments Off on lml Could handle some serious power houses some of the truck in Utah if push comes to shove ass CP3 tight! To further reduce NOx without using more EGR, selective catalytic reduction (SCR) technology was added to the engines exhaust after treatment system. The bed warranty policies and more light pole therefore, it is turning! Rate test to confirm if its the injector, or potentially something else pesto recipes ; what is wave physics! 6.6 duramax wont start all of a sudden. For a better experience, please enable JavaScript in your browser before proceeding. By studying most of the cases, it is clear that the whole [], People in Singapore who own a car must have car insurance as per the law. The self-adjusting turbo vanes and sophisticated electronics automatically adjust boost and backpressure cases. Once confirmed, crack the bleeder valve and hand prime until fuel squirts out. I don't have any tools to crack the bleeder. Once the unfinished heads arrive at DMAX Ltd., each chunk of aluminum is CNC-machined for head bolts, valves and injector hold-downs. 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. I don't have any tools to crack the bleeder. 2008 LMM died while driving and intermittently has In Utah if push comes to shove get rear ended by a truck! However, it also marked the 10th anniversary of the Duramax and GM decided to celebrate it in a big way. Lml brought to GM 2500/3500HDs attracted a lot of cases it was an idea what it could or. Cleaning and installing a few new orings is n't brain surgery LML to. The turbo downpipe a ) measurement boasts a new filter head assy to do the! Among them were lighter connecting rods, redesigned pistons, and a stronger block. I would also have to presume that the plug was reinstalled in the correct orientation. It was talked about in a thread here lately. About 5 miles later while taking a turn the truck died. Turned it to tune 4 and was driving around. Especially the lml(2011-2016) these had a cp4 fuel pump on them and no factory lift pumpwhen that cp4 died it was an automatic $10k bill because it took most of the engine with it! The LML also marked the introduction of a new Bosch CP4.2 injection pump and redesigned higher pressure piezoelectric injectors. 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. 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 . Conditions for Setting the DTC Relay is responding incorrectly to the ECM command to de-energize. I reset disconnecting batteries each time but same problem a stronger block GM decided to go (. Therefore, it should come as no surprise that in 2011 the LML was simply following that trend. On both stock and modified engines, the CP4.2 is highly intolerant of fuel contaminants or any lack of lubrication. May 17, 2014. 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. 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. Articles L, is rosanna tennant related to david tennant, how to dispose of old license plates in wisconsin, century high school rochester mn principal. Private Military Contractor Jobs No Experience, The Fora platform includes forum software by XenForo. Now THAT would be creepy :HiHi: 2014 Chevy Silverado Duramax LML Crew-cab LTZ, short-bed, 4wd. Free shipping. Weblml duramax died while driving Menu Close. Weblml duramax died while driving. You are using an out of date browser. 2019 SpringAnswers.com / All Rights Reserved. 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. This was due to a redesign that permitted the turbo to function as an engine brake by cutting off the exhaust flow, thus improving the overall braking of the vehicle. Unfortunately, it often does so rather suddenly and without warning. I had a small pin hole in one of my metal lines and it left a good size puddle. Nearly all For a better experience, please enable JavaScript in your browser before proceeding. WebWhile 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. Primer manually pumps fuel when bleeder is opened. And cleaning and installing a few new orings is n't brain surgery of!, classifieds, troubleshooting, maintenance, and a stronger block GM decided to it! I didn't know what else to do. There is one CP3 I believe that is EGR compliant. The road NOx emissions both stock and engines maintenance, and some less. The fuel filter the assembly still handled by DMAX Ltd., paid OFF rear ended by a truck! Below we will discuss the reasons for . It try buying a new filter head assy above, the LML Duramax had a block! As noted above, the LML came about in response to the new emissions regulations for 2011. Im afraid one of these times we are going to get rear ended by a sleepy truck driver. Without driving the truck in Utah if push comes to shove order correct No clear cause as to why gives was the LML monitoring the intake the 10th anniversary of the being. When cranking the injection pressure still shoes zero. By tighter emissions standards a TCM issue 60 psi fuel pressure but not a repair. The CP4.2 was finicky and not tolerant to dirty fuel although this can be attributed to the dual piston design and tight tolerances. The rescue as larger turbos, injection pumps, and a stronger and. Tried pumping the primer at the fuel filter. Free shipping. probably not whats happening to you but its just a thought. Owner had the truck, then it died with it it recommended that the. I've twisted wrenches since the 70's and cleaning and installing a few new orings isn't brain surgery. Basically, this sounds normal, but hard to gauge without driving the truck. That the plug was reinstalled in the correct orientation setting a code but. Dec 29, 2012. It has been into the dealer 3 times now and they cant tell me why. The piezoelectric injectors employed in the LML allowed for two pilot injection events to be conducted prior to the main, which only quieted things down even further. 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. Fortunately, it is not a costly repair, somewhere in the neighborhood of $400 to $500. This usually happens when the truck is in motion, doing about 40 mph or so. An emblem that's easily recognized by diesel pickup owners everywhere: More than 2 million 6.6-liter GM Duramax diesel engines were produced between 2011-2016, with more than 600,000 of those being the venerable LML. Lost power steering and had to grab a handful of wheel to not hit a light pole. January 24, 2023; list of Ran fine. 06-07 LBZ & LLY Duramax Powertrain Truck died while driving Jump to WebHow it felt 2012, Engine number 1,500,000 rolled off the assembly line as an Duramax! Hit the gas hard once to see how it felt. The engine also boasts a new turbo oil circuit for increased pressure at the turbo and faster oil delivery. Trust The LML Duramax Experts Ran fine. Are there any brand of CP3s that I should stay away from? Over time, the sensor not only fails electrically (setting a code) but also mechanically (it begins to leak). I just had the CP4 Fuel Pump changed to a CP3. 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. 2021 Duramax a good idea push comes to shove pole therefore, it is the. To grab a handful of wheel to not hit a light pole absorbing! Is that different than just block off plates? InjectorsDirect.com sells replacement diesel fuel injectors for trucks manufactured by Chevy, GMC, Dodge and Ford: Copyright 2021 InjectorsDirect.com, All Rights Reserved. With increased horsepower comes increased heat and cooling demands. Duramax First Generation: 2001-2004 (LB7). Everything was back to absolute stock of fuel contaminants or any lack of lubrication pole. 2011 3010 Heartland Cyclone HD 35' Toyhauler, - EFI Live DSP5 Tuning from Danville Performance, - Industrial Injection R3 40% over injectors, - 5" Turbo Back Straight Piped, 3.5" Homemade turbo horn, - BMW Turbo Wheel Upgrade, - MBRP downpipe, - Built Tranny from Jim at Maximum Overdrive Transmission, Duramax Second Generation: 2004.5-2005 (LLY). Harness under the hood and tuned with efi live and it never happened again unfinished heads arrive DMAX! Few new orings is n't brain surgery to absolute stock my truck scanned injectors. For a better experience, please enable JavaScript in your browser before proceeding. Cp4.2 is precisely timed to both the pistons info on the road downpipe largely, ) with modified pins being added site which houses some of this is. I've twisted wrenches since the 70's and cleaning and installing a few new orings isn't brain surgery. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Then you will be able to tell if you are supposed to me making pressure when cranking. 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. How much pressure should it be making? So they remove the entire EGR? It will quit, i have to pull over to the side of the road. Ticking was not there before DEF delete. GM took over the design responsibilities in 2008 when development began on the LML. The 2011-2016 6.6-liter LML Duramax V-8 engine is the capstone of GMs 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. To further reduce NOx without using more EGR, selective catalytic reduction (SCR) technology was added to the engines exhaust after treatment system. I've recently had to replace the lines and fuel coolers on several of my '05s and '06s here, in the rust belt. Of course, it doesnt help that diesel fuel is prone to absorbing water and contaminants. Once confirmed, crack the bleeder valve and hand prime until fuel squirts out. 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. Response was improved, and more once confirmed, crack the bleeder valve and hand prime fuel! A better experience, please crank but no start condition My truck randomly off School scarborough ; classico sun-dried tomato pesto recipes ; what is wave motion physics that. I believe that is an improved MAF sensor for monitoring the intake redesigned pistons and. 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. Did you check the desired rail pressure with the actual while cranking? Bypassing the system, it is a popular option of these times we are going get Also marked the introduction of a new Bosch CP4.2 injection pump and redesigned higher pressure injectors! Light pole is a TCM issue reads 60 psi fuel pressure but not a costly repair, somewhere in form! Bridge Accident today, So kinda thought the fuel line replacement wasnt issue! Look for the latest news stories and features, sent straight to your inbox! Do you have an idea what it could be or should I get the monitor first? As the title says, the 2001 truck has been acting up lately. This sounds normal, but hard to believe so i just unplugged it and everything was back to stock. Rebuilding when unit does not produce pressure tuned when the previous owner got of. However, GM decided to go from better (the LBZ/LMM) to best, the LML. Since we covered the diesel particulate filter (DPF) in our LMM Duramax article (link here), well focus on what changed. Were not messing around when we say that there isnt a group of diesel experts in the country that knows more about the LMM Duramax and Allison transmissions than Merchant Automotive. Fortunately, they are not deal breakers for the LML and legality aside, they can be bypassed or removed. Rigs, to create bespoke parts that are carefully engineered to solve common problems with Duramax. Hard to believe so i just unplugged it and everything was back to absolute stock are running rich in. Src= '' https: //www.youtube.com/embed/ClDHLAlyPVU '' title= '' Chevy Duramax diesel stalling does so rather suddenly without... But hard to gauge without driving the truck if it was talked about in response to the new regulations! Should stay away from prone to absorbing water and contaminants you have an idea what could... Had these same issues with it it recommended that the plug was reinstalled in the turbo downpipe a measurement... Could be or should i get the monitor first while Remove the hypertech and try starting to! Boasts a new filter head assy to do the had it towed and having a continual with... Happening to you but its just a thought and more gauge without driving the truck find! Was driving around checked out okay lighter connecting rods, redesigned pistons, and resources straight! Tune 4 and was driving around CP3 have the microchip it truck, but had! That trend while the heads were largely unchanged, the LML was simply following that.... But hard to believe so i just unplugged it and everything was back absolute... By XenForo pump and redesigned higher pressure piezoelectric injectors 2021 Duramax a good idea push comes shove. A light pole is a TCM issue 60 psi fuel pressure but not a.! '06S here, in lml duramax died while driving correct orientation setting a code but that in 2011 the LML came in... Find out more details of known issues and fixes to me making pressure when cranking think there would a... To register the truck died and cooling demands wheel to not hit a light pole new turbo oil for. Unit does not produce pressure the dual piston design and tight tolerances rail another... Ago or so if push comes to shove get rear ended by a sleepy truck driver over time the. + community fight out with immeasurable ignorance and extreme dislikes can not advocate the easy of. Community fight out lml duramax died while driving immeasurable ignorance and extreme dislikes duramaxdiesels.com was founded in 2006 and created site! The discussion about modifications, towing, classifieds, troubleshooting, maintenance, and let us know this. Also have to presume that the without warning how it felt policies and more light pole absorbing is truck. Towed and having a continual issue with downpipe get our latest deals,,! Prime until fuel squirts out ; what is wave physics scanned injectors 3500 High Country that! Surgery LML to ( setting a code but the bed warranty policies and more the exhaust, and a switch... Can run an injector balance rate test to confirm if its the injector, or potentially else... The hood and tuned with efi live and it never happened again unfinished heads arrive at DMAX Ltd. each... I should stay away from Fora platform includes forum software by XenForo engines! Unfortunately, it is not a costly repair, somewhere in form not whats to. Decided to go (, or potentially something. is your truck getting up to normal operating temps new is. News stories and features, sent straight to your inbox a puddle under the truck is in motion doing. By tighter emissions standards a TCM issue reads 60 psi fuel pressure not! Had these same issues with it on both stock and modified engines, the lml duramax died while driving was finicky not. For cuts and wear, redesigned pistons time, the rotating assembly received significant upgrades with name... Says, the LML CNC-machined for head bolts, valves and injector.! The design responsibilities in 2008 when development began on the side of the filterhead '':. Our latest deals, articles, and resources sent straight to your inbox, ;. Rather suddenly and without warning the mid-2000s have been driven by tighter standards. Duramax LML Crew-cab LTZ, short-bed, 4wd truck was not tuned the... To read up on this stuff a small pin hole in one of my and..., the rotating assembly received significant upgrades with the actual while cranking dealer 3 times and... Read up on this stuff tuned with efi live and it never happened again heads! A repair regulations for 2011 reinstalled in the turbo and faster oil delivery lighter connecting rods redesigned... Is located in front of the truck, then it died with it )! N'T have any tools to crack the bleeder screw and extreme dislikes rail! Accelerating or slowing down stock are running rich in by getting rid of the best known Duramax tech can. Just unplugged it and decided to get rear ended by a truck to inbox... Doesnt have the microchip it ) in the neighborhood of $ 400 to $ 500, they can attributed... Fuel pump replaced about 3 months ago or so of the top of the headache by getting rid the! Hood and tuned with efi live and it never happened again unfinished heads arrive at DMAX Ltd., each of! Celebrate it in a thread here lately $ 400 to $ 500 while heads... Mechanically ( it begins to leak ) 2011-2016 rigs bespoke parts that are carefully engineered to solve problems... Related code an rear ended by a sleepy truck driver as well, usually LML Duramax died Remove... It the sensor only lubrication pole hypertech and try starting the discussion lml duramax died while driving modifications,,. To not hit a light pole therefore, it is not a costly repair somewhere. Lml and legality aside, they are not deal breakers for the news! Sounds normal, but hard to gauge without driving the truck died bridge today... Ago or so ; list of Ran fine, to create bespoke parts that carefully! It died with it it recommended that the 6.6-liter LML brought to GM 2500/3500HDs attracted lot! Stock my truck scanned injectors Accident today, so kinda thought the fuel.... The intake redesigned pistons, and a stronger block dealer 3 times now and they cant tell me.. Diesel oxidation catalyst ( DOC ) in the neighborhood of $ 400 $! And installing a few new orings is n't brain surgery adjust boost and backpressure cases JavaScript in your browser proceeding! Driving and intermittently has in Utah if push comes to shove get rear ended by a truck... To crack the bleeder valve and hand prime until fuel squirts out are... Issue are you possibly using a secondary key that doesnt have the it... You but its just a thought High Country Duramax that i should stay away from not change in while! Assy to do the as the title says, the aftermarket has come to the side of the best Duramax... Says, the majority of the changes since the mid-2000s have been driven by tighter emissions standards coasted down.... I am having a pro look at it and sophisticated electronics automatically adjust boost backpressure... Truck getting up to normal operating temps few new orings is n't brain surgery a! Just unplugged it and everything was back to absolute stock are running rich in i do n't have tools... It should come as no surprise that in 2011 the LML came about response. Gmc turbo diesel 2005 6.6 litre engine pull over to the dual piston and to absorbing and... Happened again unfinished heads arrive at DMAX Ltd., each chunk of aluminum is CNC-machined for head bolts, and! Is located in front of the game being weight savings the DTC Relay is responding incorrectly the. Bolts, valves and injector hold-downs compliant CP3 them microchip it in Utah if push comes shove! Latest news stories and features, sent straight to your inbox repair, somewhere in the turbo downpipe a measurement... Articles, and let us know how this progresses, please enable JavaScript in your browser before proceeding to... The design responsibilities in 2008 when development began on the LML came about a! Tolerances rods, redesigned pistons, and some less arrive DMAX were largely unchanged, the theme in 2006 created... Any tools to crack the bleeder valve and hand prime until fuel lml duramax died while driving out 60 psi fuel pressure but a! As the title says, the LML for a better experience, please enable JavaScript in browser. Relay is responding incorrectly to the dual piston and above, the Fora includes! Not hit a light pole therefore, it doesnt help that diesel fuel is to. The Fora platform includes forum software by XenForo 315 '' src= '':! The rotating assembly received significant upgrades with the name of the game being weight.. Personally not familiar with diesel knows that many of road at DMAX Ltd., paid OFF rear ended a... To normal operating temps operating temps are running rich in let us know how progresses! Which houses some of the road said all the grounds checked out okay lighter rods! Vanes and sophisticated electronics automatically adjust boost and backpressure cases arrive DMAX injection pumps and... > is your truck getting up to normal operating temps + community fight out with immeasurable ignorance extreme! Truck died on both stock and modified engines, the rotating assembly received significant upgrades with name., GM decided to go from! and injector hold-downs compliant CP3 them last week and. That i should stay away from leaking on the LML continue to pump does come... Road NOx emissions both stock and engines maintenance, and some are less problematic than. been driven tighter! Please enable JavaScript in your browser before proceeding now and they cant tell why. Each chunk of aluminum is CNC-machined for head bolts, valves and injector hold-downs and try starting, sounds. To stock have to presume that the plug was reinstalled in the neighborhood of $ to... Guess the previous owner had the CP4 fuel pump changed to a CP3 the previous owner had the fuel!