Another Starts, dies, no start. :confuzeld The first start today at 50 degrees outside, and the first time happening, the engine started normally and then shut right off. The 2011 LML engine cranked OK but wouldn't start again. No trouble codes. I checked fuses and tapped relays, and then planned for towing to the dealer.Jul 5, 2022 · Ran the scanner/computer, it shows that the def system or dpf is very clogged, also checked the pressure when idling and cranking, it is supposed to be at 5,000 psi while idling but it is pulling 3,060 psi, need help asap, truck has been down for 4 weeks going on 5 weeks. 2016 Chevrolet Duramax LML 6.6 Liter. Save Share. 1. Start Relay Pin 86 -- Page B-6 (Should be +12 VDC) Post what voltage you have. If no +12 VDC there, check at UBEC Fuse # 13 ECM-BATT (2 Amp) for +12 VDC on both sides of Fuse. This Fuse Powers the Ignition Switch. Post what Voltage you find at this fuse. The Ignition Switch makes BCM_RC (HOT) +12 VDC which picks Relay RUN/CRANK by makingNow it just cranks, between 1500 and 1800psi. I bought a brand new filter head/filter, still no change. Bought MA rebuild kit. Found a crushed o-ring in the brand new filter head. Replaced all seals, still no change. Bought driver side fuel rail with new sensors, no change. Primer gets hard about 5-8 pumps, still no start.This 2015 Chevrolet Silverado 2500HD 6.6 LML was towed in for a no crank condition. The customer reported the "Service Stabilitrack" message popped up on the...With the 6.6L LML Duramax all dialed in, the engine has gone from bone stock to cranking out 1,200 horsepower! Diesel of the Week is sponsored by AMSOIL. If you have an engine you would like to highlight in this series, please email Engine Builder magazine's Editor, Greg Jones at [email protected]. Tags: AMSOIL, Diesel of the Week, Duramax.8 posts · Joined 2015. #1 · Oct 12, 2020. The last couple weeks my truck a 2001 GMC 2500HD Denali LML has been starting hard. Some mornings it will fire right up and others it will crank excessively. Noticed that it seems to do it the worst when it's warm after a 30 mile trip or so... Even after a 13 hour day at work it will crank for awhile.Brought the truck in to get an EAS/EGT probe installed+Turbo timer and now have a couple issues after leaving the shop. 1.Remote start no longer works. 2.truck does not turn over manually 1st try (doesn't even try to crank) and 2nd key turn starts as normal. These 2 issues seem correlated to one another/obviously electrical, I'm just trying to ...Question: Will not having my radiator, core support, intercooler hooked up allow for the truck to crank but no start? All ground wires are hooked up, the two on the bottom front side of the block, and the one on the back driver side head. Any suggestions? Thanks.nyterydr1500 Discussion starter. 30 posts · Joined 2009. #1 · Jul 2, 2011. went to grocery store and was inside for about 30 mins. came back out, started the truck like normal and it ran for about 30 sec. before dying. now it will crank but not start. fuel level is more than a 1/4 tank so that shouldn't be an issue. any suggestions or help ...Proceeded to change the alternator and got the truck going after charging the batteries. Truck was working properly and went home where it sat out over night in -20C. Next day went to start it and it just clicks. Charged the batteries up and same thing so I figured the batteries were bad. Changed them out and still just clicks when I try to ...Today, I pulled off the air tube and had a helper cranking the engine while I sprayed in some WD40 & starting fluid. It fired, ran a few seconds, and died again. The MAC Tools scanner shows codes P0087-00, P0102-00, and P-128E-00. The P0102-00 makes sense since I had the air tube disconnected.11-16 LML Duramax Powertrain FIXED!! No dash lights no crank 2015 LML ... Truck has 78k. I turned my truck around in the driveway and next day I have no dash lights, no crank (just a click), no obd II to read codes, and head lights and running lights are funky. ... If both batteries are hooked up, you are checking the combined system, not ...Step 1 - Attempt to start the vehicle. It will crank, but not run. The security light will be flashing on and off. Leave the key in the 'run' position for exactly 10 minutes, then the security light will stay solid or go off. Step 2 - Turn the key to the 'off' position for 10 seconds. Attempt to start the vehicle.LML runs a few seconds then dies. Preparing for the full delete and tunes, I installed a Fass 150 last week. Truck started and ran fine since. Yesterday I installed the S&B and a fuel filter delete. Also drilled manifold and installed egt probe. After heavy cranking the truck will start and run a few seconds then die.LML engine knock Thread starter ikeG; Start date Mar 23 , 2020 ... I can spin the crank over faster, which makes a whirring or clicking sound. I think I might have narrowed it down to the oil pump. Removed water pump first, no change. ... Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech ...11-16 LML Duramax Powertrain Leaking Fuel Filter Vacuum Switch. Jump to Latest ... There is a bulletin out for that #PIP4850A: Duramax Diesel Crank No Start Hard Start Or Extended Crank. The s/w usally leaks out thru the connector but have seen a few that were just loose. 2011 GMC 2500, Deleted, cp3 conversion, Danville 3794 stg 2 turbo, 5in ...Hooked up bluetooth scanner and read codes P128E & P0088 (high fuel rail pressure) reset the codes and took it for a ride. Seemed fine, but when I stood on the gas it wouldn't go over about 2900 RPM then check engine light with reduced power mode, and change fuel filter message. Swapped out the filter and took it for a ride with scantool hooked ...first of all check for this wire rub and see how bad yours has worn through. its on the side that lays agains the ac compressor hard line joint. If thats not it then I would make sure the primer ball is hard and try to start it. Get someone to prime it as you try and start.LML duramax won’t start after turbo & injector replacement. So i just installed a drop in stealth turbo from duramaxtuner and had my injectors re-nozzled to 100% over. Let me start off by giving some background, the truck is fully deleted with dual sportsman cp3’s and a fass 150 on the fuel side. The factory fuel filter housing has been ...Chevy / GMC Duramax 11-16 LML Forums. 11-16 LML Performance Parts Discussion ... Ive had no luck in sourcing this problem however now my problem has escalated to the engine now will not even crank over. I have a series of alarms evident and I will run through what ive done to try to find the falult to eliminate suggestions you might have and ...Hey guys, just changed my fuel filter Saturday and it ran fine up until yesterday morning. Snugged the filter and primed. It felt like I over tightened and stripped the plastic priming screw. Replaced it tonight, primed and bled it 6 times until no more air. Any ideas or suggestions before pulling the wheel well and filter again?8 posts · Joined 2015. #1 · Oct 12, 2020. The last couple weeks my truck a 2001 GMC 2500HD Denali LML has been starting hard. Some mornings it will fire right up and others it will crank excessively. Noticed that it seems to do it the worst when it's warm after a 30 mile trip or so... Even after a 13 hour day at work it will crank for awhile.If you are in HVAC field, you would have encountered the name FREON. What is the history of this family of refrigerants and how they relate to today's newer refrigerants? Find out ...2.4K. 301K views 5 years ago. What's up I'm back to help anyone out there that's having no start no crank issues with their Chevrolet or GMC Duramax truck. I chased my problem for about 4...Ran across a no start issue w this 2016 LML duramax following a cp3 conversion. Figured someone could benefit from seeing what causes this condition and how ...When my CP3 was going out it actual fuel rail pressure would not match desired (it was maxing out around 14k when it was calling for 22kPSI). Started right up cold, would not start hot. CP3 fixed the no-hot-start issue and brought rail pressure back up. 2003 GMC Sierra 2500HD 6.6L Duramax LB7. EFI Live tuning by Duramaxtuner.com.Pressurize return fuel side with air compressor (60 psi) still no start. Replace fuel vacuum switch. Replace fuel filter housing and new primer pump, no change. Noid light check one injector, has power to injector. Run fuel hose with 5 gallon jug and splice into fuel hose that normally exits the fuel filter, close to CP4 as I can get I believe ...If not most likely fuel pressure related. You could be losing psi because of severe items, The Cp4 has a regulator, one on the fuel rails, and the return system. Also, being a common rail system if any injector is hanging open. Hopefully the Cp4 is not failing, which is very common for all LML’s that don’t have an aftermarket lift pump ...2015 lml duramax no passenger side headlight p0340 p0191 no start There are about 100 codes stored under dtc since last ignition cycle . ... Crank no start 2015 Chevy 3500 6.6 duramax past issues of shutting off but cranked back up ...nyterydr1500 Discussion starter. 30 posts · Joined 2009. #1 · Jul 2, 2011. went to grocery store and was inside for about 30 mins. came back out, started the truck like normal and it ran for about 30 sec. before dying. now it will crank but not start. fuel level is more than a 1/4 tank so that shouldn't be an issue. any suggestions or help ...If rail pressure matches desired, diagnose other codes that may be related to starting problems. Unplug the fuel pressure regulator 2 (pressure control valve in left hand rail) electrical connector. Crank the engine for 15 seconds and verify there is a steady flow of fuel from the fitting on the rail.Knocking continued with foot applied on brake pedal and in drive/reverse 1200-1600 rpm “knock” “knock”, cylinder cut out test found sound coming from #6 cylinder. Replaced #6 fuel injector. Same issue “knocking” under low RPM. Two days later, Removed engine and disassembled completely to find no issues to Pistons, crank, rods, Heads ...This hard start condition may be caused by a leaking Filter Minder Vacuum Switch or the switch fitting. Recommendation/Instructions: Complete the current …Besides that, those LML return line back pressure valves is a good place to start. Thanks, believe it or not I actually corrected them before even doing any cranking, I just happened to look down while rolling my engine crane over to my truck, and noticed the cam/crank sensors were in the wrong spots. Lol. S.Sep 29, 2018 · Comes with the S&B intake, 5" def/dpf del exhaust, DP, res del, Pcv block off, egr del, cp3 pump and kit, and lift pump. They broke out the parts and it was a bit over $5000. 2011 GMC 2500 HD SLT (LML) 2011 GMC 2500 HD SLT. DPF/DEF/EGR/PCV Deletes. Jamo 4" DP-back Exhaust w/muffler. 11-16 LML Duramax Powertrain P2510 Starter click, no start ... Hey all, just went to go start my truck not too long after driving it and all I got was a starter click, no crank, along with P2510 and an intermittent "Service Theft Deterrent System" message on the DIC. I tried the spare key and no luck.If you are in HVAC field, you would have encountered the name FREON. What is the history of this family of refrigerants and how they relate to today's newer refrigerants? Find out ...Jun 8, 2020 · 2015 lml crank no start low fuel pressure. Looking for some input. I’m troubleshooting my 2015 lml, died on the side of the road low rail pressure P128e and the change fuel filter message. The system was loaded up with air so I made up an auxiliary tank to the inlet of the filter housing, primer pumps hard after 4-5 pushes. Jul 21, 2022. #1. I had a customer bring in a 2008 LMM a couple of weeks ago that wouldn't run. The story I got was he slung a belt that ripped the cam sensor wires. He took it to a local shop that found and repaired the wires. The truck ran for a day, but after that died and hasn't run since. When the truck got to me, I verified the wires were ...11-16 LML Duramax Powertrain 2011 Died - No Start. Jump ... Also it needs at least 1500psi to crank iirc . NIC R Too many damn trucks. Support the RPM act F#CK the epa. Save Share. Like. ... Will not start for the life of it . Save Share. Like. 0 Reply. SilverGorillaLML. 11326 ...Had a nice chat yesterday with my metallurgy engineer buddy responsible for pieces of alloy a lot more critical than crankshafts. His first thought was surface harness, and process used to heat treat. If induction hardened, it doesn't go very deep. So it's possible the final machining process cut through the surface hardness.The fuel pressure regulator 2 outlet volume test must be performed while the no start condition is present or incorrect diagnosis may occur. Engine cranking for 15 seconds. Observe the volume of fuel from fuel pressure regulator 2. The volume of fuel should be less than 10 ml (0.4 oz).2008 2500 with about 150,000 miles on it. Go out to start it this morning and it just cranks. Open the bleeder screw and pump the primer, get about 2 pumps of air then fuel. Has 1/4 in it and just filled it up on Tuesday. Tried starting again but no go. I noticed Thursday morning it was hard to start also as it took a few cranks before it caught.Check the filter itself. Or the WIF sensor on the bottom of the filter. If you are running a plasitc filter it could have jumped thread. 2023 AT-4 HD 6.6 stock liters of diesel goodness. 2021 AT-4 with 3.0 stock liters of diesel goodness. 04.5 LLY Xcab. 5" Exhaust no noise stopper, EFI'd, LBZ piehole.Next day change fuel filter message and no start. Replaced the filter head and filter primed the system like crazy still no start. Its building like 6k psi of fuel pressure no smoke or fuel smell at all from exhaust. It does have a code for stabilitrak but it has always been there. I have checked for the chafed wiring etc and have not found any ...The truck will fire up and run flawlessly after the new CP4 is installed, but when you turn it off, it won't start again. When cranking it will only build 1400 PSI of pressure. Any help is appreciated. Like. Sort by Oldest first. S. SouthFloridaGMC. 2565 posts · Joined 2014. #2 · Feb 18, 2017.2006 silverado 3500 rwd,4x4,cclb,lbz. BD exhaust manifolds,ARP head studs,..diamond eye downpipe,mbrp 4'' out the back,Isspro boost&pyro gages w/piller,Air dog2 df165, B&W fifth wheel,in bed 75 gal fuel tank with transfer pump, truck defender bumper, last but not least.A ton of LED's inside and out.2013 lml, deleted. It had a crank but no start symptom. The dealership replaced all 8 injectors and the cp4. Now the pickup will start and drive, but barely. ... crank no start2011 lml duramax. fuel rail pressure at startup will barly reach 1500 psi but when started it runs just under 5000psi at idle and up to 26000 running down the road. ...Won't start. Took the factory fuel filter off (was band new 2500 miles ago last week) and it didn't appear to be gelled. (I've never seen what gelled diesel looks like but it acted like normal fuel and poured out) warmed up the factory filter inside, put a little 911 in it, installed it, let the lift pump run while cracking the filter so fuel ...18. VA beach. Aug 8, 2016. #2. How old are the batteries and are the terminals tight, even where the cables connect to the terminals? Also check the bail connectors on top the …Filter heads are very common issue. But agree with chevytech77. Would probably try to find out if the issue is sensitive to fuel level. If it isn't, would go the filter head route. If it is fuel level sensitive would go the pickup from the tank route. 2014 Chevy 2500. Tuned and deleted. 33×12.5×20 fuel mavericks.2015 Chevy Silverado 2500HD 6.6L Duramax 4X4 CC, LB, Tuned w/DSP5 switch, Studded, EGR & DEF Delete, FASS. (Daily Driver) 1982 Chevy K30 6.2L Detroit Crew Cab, Long Bed Dually 6" Lift (Under Construction) Planning for 6.5L or a 6.2L with Turbo.2018 L5P 55 MPH 2 MILES SHUT OFF CRANK NO START. The little was a 100 miles away from the house got a service light a 55 mph limp went 2 miles truck shut off. Showed 74% filter life changed filter anyway. It was a little low on fuel added 10 gallons will not start.Another Starts, dies, no start. :confuzeld The first start today at 50 degrees outside, and the first time happening, the engine started normally and then shut right off. The 2011 LML engine cranked OK but wouldn't start again. No trouble codes. I checked fuses and tapped relays, and then planned for towing to the dealer.Jun 8, 2020. #1. Looking for some input. I’m troubleshooting my 2015 lml, died on the side of the road low rail pressure P128e and the change fuel filter message. The system was loaded up with air so I made up an auxiliary tank to the inlet of the filter housing, primer pumps hard after 4-5 pushes. I wanted to bleed at the supply lines from ...Duramax Fifth Generation: 2011-2016 (LML) HELP - LML sudden crank but no start. Jump to Latest Follow 423 views ... I'm hoping someone may be able to help me diagnose a crank but no-start condition on my 2011 LML. Zero issues whatsoever up until last Thursday when it wouldn't start for me to leave work.JChrist705 Discussion starter. 67 posts · Joined 2008. #6 · Oct 10, 2012. It's got about 57% life left according to the DIC...right now that's the prime suspect. Sent from my Autoguide iPhone app. 2008 LMM Silverado 2500HD LTZ. -Cognito UCA kit and braces. -NorCal Nick "Large" fender mod. -20x9 Ultra Maverick wheels, 5"BS / 0mm offset.2011 lml duramax. The fuel pressure relief valve will not close all the way, so it will not build enough rail pressure - Answered by a verified GMC Mechanic ... 2011 lml duramax, crank no start. no codes. after cranking for a few seconds fuel rail pressure on the scanner shows 6,000-8,000 psi. ...11-16 LML Duramax Powertrain. 2011 gmc sierra LML Denali No crank no Start Service Traction Control. Jump to Latest Follow ... New Batteries ran fine happened all of sudden No crank no start. Please help me. Save Share. Like. Sort by Oldest firstLML duramax won't start after turbo & injector replacement. So i just installed a drop in stealth turbo from duramaxtuner and had my injectors re-nozzled to 100% over. Let me start off by giving some background, the truck is fully deleted with dual sportsman cp3's and a fass 150 on the fuel side. The factory fuel filter housing has been ...Remove the egr valve. U don't not need to remove alot.of stuff. Remove the hose coming off the pressure regulator number 2 and plug it off on the return hose side. Put the other end into a container and crank the engine. Really shouldn't be any fuel coming out of it.Jul 21, 2022 · Jul 21, 2022. #1. I had a customer bring in a 2008 LMM a couple of weeks ago that wouldn't run. The story I got was he slung a belt that ripped the cam sensor wires. He took it to a local shop that found and repaired the wires. The truck ran for a day, but after that died and hasn't run since. When the truck got to me, I verified the wires were ... 2013 LML No Crank. Truck was running great. I shut it off to go into Taco Bell and when I got back to the truck won't crank. Everything comes on when I turn the key on like normal. I got it started by crossing the starter and it runs fine once I start it, but it wont start with the key. I tried unplugging the batteries, switching the starter ...3 posts · Joined 2021. #1 · Feb 9, 2021. Ok so I have a 2012 LML duramax that I installed a cp3 conversion on as well as a FASS 165 lift pump. I finished the install. Updated the tunes to the truck and now I can't get it to fire at all. I have ez lynk so I can see some of the fuel pressures but I'm not sure where everything should lie.5 posts · Joined 2013. #3 · Apr 25, 2013. The truck acts fine when it's running, drives fine with plenty of power, just won't fire after it reaches operation temp. No smoke either. I'm about to go to the dealer and check on it, ill post what I find out, thanks guys! 2011 Duramax LTZ -STOCK-. 2002 Z28 Camaro -TSP 408-TH400-91mm-9in-.Jan 30, 2022 · Ran across a no start issue w this 2016 LML duramax following a cp3 conversion. Figured someone could benefit from seeing what causes this condition and how ... Step 1 – Attempt to start the vehicle. It will crank, but not run. The security light will be flashing on and off. Leave the key in the ‘run’ position for exactly 10 minutes, then the security light will stay solid or go off. Step 2 – Turn the key to the ‘off’ position for 10 seconds. Attempt to start the vehicle. P0336 And Hard Start. So when I bought the truck a few months back, it would always have a littl
2018 L5P 55 MPH 2 MILES SHUT OFF CRANK NO START. The little was a 100 miles away from the house got a service light a 55 mph limp went 2 miles truck shut off. Showed 74% filter life changed filter anyway. It was a little low on fuel added 10 gallons will not start.LML cp3 conversion won’t start need HELP! Ok so I have a 2012 LML duramax which I bought a year ago. About 6 months ago I tuned it and installed a wc fab y bridge kit and the truck ran flawlessly. I decided I was going to to a cp3 conversion because of the known cp4 issues. The install went pretty well I feel and I also installed a FASS …LML crank No Start After Rebuild. 2016 LML duramax, cp3 swapped (before rebuild all tuning is for cp3 swap), fass 165, installed Mahle performance pistons and rings, I’ve bled all the air you can possibly think. Maybe there’s more left. I’m between 430-450psi in all cylinders as well, did a manual compression test after completing the ...This 15 duramax was towed in for a no crank condition. Network scan shows no com with the ECM and multiple modules log P0100-00 for no com with the ECM. I have load tested all powers and grounds to the ECM. There are 4 power wires in connector X1 at the computer and 5 grounds, 4 to X2 and 1 to X3. All good. The ECM turns on the power relay but not …2007.5 LMM no crank no start. I'm new to the group and I need HELP PLEASE!! I have a 2007.5 LMM that want crank and so far I've checked all fuses, replaced the starter, the positive battery cables to the starter, relays, the ignition switch, the ignition cylinder, bought new keys, and chased every ground this dang truck!You can externally balanced it using lb7 components. Or you could use the lml components if you desired. A internally balanced crank cost you about 3150 bucks total cost. It gains 7 lbs from the heavy metal. Originally it weighed about 77 lbs and after it weighed about 84 lbs.Okay, so my symptoms were no crank, no start, no gear selector indicator (GSI) no blower motor, no VSS, total trans limp mode. After checking fuses, and pulling inner fenders and taking the tcm out and back probing and checking grounds. I checked fuses one more time. It was the clear top 30A fuse labelled “Blower”. How ridiculous is thatCommon problems with Duramax diesel engines include air in the fuel lines, fuel starvation, water pump failure, overheating, injector failure and harness chafing. Some of these iss...Completely overlooked this issue and now I feel like an idiot...but I wont make that mistake again! If you've tried everything and the truck still wont start...LML crank No Start After Rebuild. 2016 LML duramax, cp3 swapped (before rebuild all tuning is for cp3 swap), fass 165, installed Mahle performance pistons and rings, I’ve bled all the air you can possibly think. Maybe there’s more left. I’m between 430-450psi in all cylinders as well, did a manual compression test after completing the ...1. Jan 12, 2021. #1. 2016 LML will randomly lose almost all of the gauges, does not show what gear it is in and says service stabilitrak, service 4wd, service power steering, and service trailer system. Most of the time this condition lasts 30 seconds while driving, it will not shut off, but it does shift rough when it does it.If the camshaft position sensor signal is interrupted while the engine is running the engine will operate normally. Circuit/System Verification. 1. Ignition ON. 2. Verify DTC P0641 is not set. ⇒ If the DTC is set. Refer to DTC P0641, P0651, P0697, P06A3, P06D2, or P06D6. ⇓ If the DTC is not set.2011 2500HD Silverado LTZ 6.6L Duramax LML No Mods. Save Share. Like. ... I've had 2 random long crank no start situations in 5 years after driving to the store like you did. Solved the first time giving it a couple of plunger pumps so that is what I did the 2nd time. No clue why it loses prime randomly like that and won't do it again for a ...LMM Duramax Crank, No start. Jump to Latest Follow 7K views 4 replies 2 participants last post by Ron Nielson Apr 7, 2022. S. santosjerry1 Discussion starter 4 posts · Joined 2022 Add to quote; Only show this user #1 · Apr 5, 2022. Hey guys so I have a 2008 3500 6.6 4x4 with 212k miles, dpf delete is the only mod. ...Duramax Fifth Generation: 2011-2016 (LML) 2012 LGH Crank no start. Tags hard start. Jump to Latest Follow 8K ... I installed a fass lift pump to resolve a crank no start but it seems I have not isolated the issue. The engine cranks strong and fuel pressure builds in the high pressure rails.random no crank no start, cluster will light up and all accessories will power up communication with ecm, tcm, bcm and security module are all good via a scan tool. …Sep 29, 2018 · Comes with the S&B intake, 5" def/dpf del exhaust, DP, res del, Pcv block off, egr del, cp3 pump and kit, and lift pump. They broke out the parts and it was a bit over $5000. 2011 GMC 2500 HD SLT (LML) 2011 GMC 2500 HD SLT. DPF/DEF/EGR/PCV Deletes. Jamo 4" DP-back Exhaust w/muffler. And if my l5p isn't plugged in at night during this cold. My duramax will not start in the morning. I cycle the glow plugs a few times and give it a shot. The truck engages starter and rolls once cuts out for 3 seconds and repeats. Two new batteries, treated fuel, also put a new starter relay in a few days ago to see if was part of the issue.1498 posts · Joined 2004. #3 · Dec 23, 2016. unless something has changed drastically between the LLY and LML, I don't see any reason for cold start issues. my LLY would start up sitting overnight at -40F w/o the block heater and fire right up. Just let the glow plug cycle twice and hit the starter.LML cp3 conversion won't start need HELP! Ok so I have a 2012 LML duramax which I bought a year ago. About 6 months ago I tuned it and installed a wc fab y bridge kit and the truck ran flawlessly. I decided I was going to to a cp3 conversion because of the known cp4 issues. The install went pretty well I feel and I also installed a FASS 165 ...Cranks but won't start. kvw4x4. Apr 27, 2017. Forums. Duramax 6.6 Technical. Duramax Hard Parts. LML. 1. 2. Next. K. kvw4x4. New member. Oct 7, 2015. …long crank I have a 2003 LB7 with 75000mi. When it starts{sometimes it does not} it takes 5 or 6 seconds to start hot or cold. It runs great,no smoke,no fuel in oil.I have had the fuel filter housing rebuilt,a FASS fuel pump system installed,fuel pressure regulator and a glow plug module.28. Nov 28, 2017. #12. r_olsen said: I just changed the fuel filter on my 2012 2500HD, after installing the filter I primed it and opened the bleeder screw and let the air out, repeated this until only fuel came out, let the truck idle for about 8 minutes to check for leaks, none so went for a test drive, but in drive the trunk has no power at ...My brother n law has a 2013 Dmax. I think that's a lml. Anyways. When he goes to start it it cranks for anywhere from a couple seconds to 7 seconds. That's after he has replaced the complete fuel filter housing. High pressure pump and fuel rails. And fuel lines. So we ain't gotta clue what the prob could b. Any help is really appreciated.That works for me, 2013 Duramax GMC Sierra 2500 HD, Will not start in cold weather, Added Power Service anti gel additive, and Lucas ctan additive last fuel up. Temperature dropped to 6 degrees over night, went to 16 degrees during the day last night it dropped to 3 degrees and is now 21 degrees but the truck will not start. Chevy Mechanic: Pete.During cranking fuel rail pressure builds up quick, well past 50 Mpa, and follows right along with the desired rail pressure. Despite rail pressure building up the …Pinching the return line isn't always enough. The injectors need a good bit of pressure to fire. If you apply a little bit of air pressure to the return line, and crank it, that will be your best chance of getting it to fire up quicker. Don't go crazy with the air though, 60-80 psi is about what I'd try to start off.What's going on guys. I have a 2013 lml i just bought 6 months back trucks been running great with no issues at all until last week. Right now I'm getting the P2294 code (fuel pressure regulator 2 control circuit) and the truck won't start. On the cts monitor it's reading that the truck is only making 200psi when cranking.0. Sep 1, 2016. #1. i replaced the cp4 pump only and cleaned entire fuel system last week. Finally got the truck to fire and run. it takes 20-30 pumps to get the primer firm. it has no visible leaks around it and all the lines from it. when the motor is cool it fires right up. after running for 5-10 minutes and shut it off, it will no start. i ...18259 posts · Joined 2008. #3 · Jun 18, 2012. "Ain't Got no Pump"-- The Duramax uses the injection pump to pull fuel from the fuel tank-- so if you have a leak at the filter head, it will act like you describe. Check the vendors at the bottom and order a filter housing seal kit abt $25. Then takes 15 minuted to replace all the seals-- that ...It's got the 6.6L Duramax diesel. Truck has only done roughly 8000kms (5000 miles) ... 2011 GMC 3500 HD LML ECLB, rancho 4" lift, airbags, fuel maverick 20x9 +1, toyo at2 xtreme 35/12.5/20, Robs efi live tunes, deleted, 4" flo pro ... When it didn't start, it would not crank and would just make a clicking sound on the drivers side firewall area ...LML duramax won't start after turbo & injector replacement. So i just installed a drop in stealth turbo from duramaxtuner and had my injectors re-nozzled to 100% over. Let me start off by giving some background, the truck is fully deleted with dual sportsman cp3's and a fass 150 on the fuel side. The factory fuel filter housing has been ...I have 2014 Chevy duramax with code p0088 and p0191 here a pic of the vin how I start troubleshooting this ... Crank no start2011 lml duramax. fuel rail pressure at. crank no start2011 lml duramax. fuel rail pressure at startup will barly reach 1500 psi but when started it runs just under 5000psi at idle and up to 26000 running down the road. ...2011 lml, no crank and no start. While driving the truck I hit a small pothole in the pavement and the engine died, would crank but no start. Disconnected the batteries for several minutes, then reconnected batteries but still no start. Had crank position sensor code, crank but no start. Replaced sensor and charged up the batteries.GMC Mechanic: JoseV819. Your going to need a quiet environment. But the only way is by cranking the vehicle and spray soapy water on all the lines/fittings. Check for bubbles. So crank for 10 seconds at a time do tht twice then check for leaks. Ask Your Own GMC Question. 66 posts · Joined 2015. #2 · Mar 9, 2015. Mines at the shop right now. Used remote start, started for a second t