Lml duramax crank no start

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.

The problem is this, last June a 2015 GMC had a cp4 pump failure. The dealer and separate shops quoted around $12k so we waited. Just before Christmas another truck that we had deleted for several months blew the engine so we decided to use the parts for the truck that had the cp4 failure. After about a week of work taking parts off …143 posts · Joined 2022. #4 · Mar 9, 2022. I had the tcm go out on my lml. Flashing service stabilitrack and traction control on the display. Was followed with a P0700 code. Loss of power, stuck in gear, hard shifts especially going Into reverse. I believe a bad tcm can also cause a no crank aswell but not 100% sure on this.8350 posts · Joined 2010. #9 · Nov 19, 2012. Unplug the FPR wires and try to start it. It will make the CP3 work at 100%, and create 100% rail pressure. It will lope hard if it starts, But it's an idea. Or you can try to pressurize the tank with about 10psi and try starting the truck. It may help the CP3 prime itself.136k Miles, and yes cranks like normal. Chevy Mechanic: Vince S. If you were to pinch off the hose from the filter assembly to the injector pump will it hold pressure. If it holds i woukd then loosen the steel line from the pump to the fuel rail and see does any metal come out of it.It's a hit and miss by a long shot but happens from time to time on all duramaxs. 05' Chevy LT Black on Black LLY CC/SB Blackout Performance built motor/trans/tuned- Gone. "The Blessed Hellride"-Summit white 08' GMC Sierra SLT Z71 CC/SB-Big Dipper trans, built front end, some softy tunes, 35's, garage queen. Rig ride/Black sheep-Black on Black ...LMM No Crank/No Start Again..... Thread starter KHHotshots; Start date Feb 5, 2016; Forums. Duramax 6.6 Technical. Duramax Hard Parts. LMM ... 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. From all out performance builds running 8 …

I changed the injectors/glow plugs on 06 Duramax 3500 LBZ and now have crank no start and leaks fuel when cranking. Checked all High pressure & return lines and no leaks. Primed system several times and still no start. I suspect that fuel leak is preventing it from starting, but cannot find the leak. Drips down between oil filter bracket and ...Jan 16, 2022 · Remove any dirt from the fuel filter head and vent valve. 5. Locate the fuel filter vent valve on top of the fuel filter housing. Turn the valve screw counterclockwise several full turns to open. 6. Locate the fuel filter priming pump on top of the fuel filter housing. Push down and let it return up several times. 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.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. This one is specific to the LML code Duramax produced between '11-'16, which used the Bosch CP4.2 high-pressure fuel pump (vs. the predecessor CP3 found on LB7, LLY, LBZ and LMM engines). ... This stress is directly imposed on the pistons, the rods and the crank—but the rods are the weakest link in LB7 and LLY engines. Luckily, the rods ...Hope it's not this. Remove the high pressure regulator from the high pressure pump and check for metal debris. If there is metal found, the entire high pressure fuel system must be checked for metal and replaced as needed. GM recommends replacing the injection pump, rails, high pressure fuel lines, fuel injectors, fuel return rails, indirect ...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 ...

Crank, no start P0335. *Had truck towed home. *Removed CKP sensor and inspect reluctor wheel (read online that they may come loose on the older models). Reluctor wheel tight and rotates when engine turns over. *Back probed the 5 volt ref. (Purple/White) 4.97 volts present. *Inspected the harness for damaged and performed a continuity test on ...LML wont start after D. 2015 LML and did a D for the dpf and egr. Downloaded the tune from a reputable tuner and cannot get truck running. It ran 1 time for 5 seconds then died. It just cranks and other times it clicks like a dead battery but both batteries are at 80%. I am stuck here no idea why it won't start or even crank sometimes.I have a 2016 LML that will crank, not start. It's been at a diesel repair shop 4 weeks and they can't figure it out. I was getting new tires put on and asked the place if they replaced fuel filters also. They replaced the fuel filter, I drove it 3 miles, next morning it would crank but not start. Had it towed back to them, they put a different ...1 post · Joined 2014. #5 · Jun 22, 2014. My 01 lb7 just did the same thing, would crank and crank but not start. And before it quit when it was idling the rpm's would slightly bounce up and down. Just finished installing a new fuel pressure regulator and it fired right up, idling smooth like it was new. Mine just rolled 200k as a work rig.F. FTGdMax Discussion starter. 90 posts · Joined 2014. #1 · Dec 29, 2015. Woking on a 1 ton LBZ, just redid the HGs and trying to restart, keep getting the P0335 code. Don't really know where to go. The sensor is in good condition, not bad, and the connectors are in their proper places.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 ...

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Mar 25, 2022 · Lml crank no start. 2015 Duramax, we just have done a def and dpf delete put all together and uploaded the efi live tune as the tuner manufacturer says to. Crank no start. It will fire a few times but the just continue turning over with the starter. The cold side intake tube just before the butterfly is wet with what smells like fuel. 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 ...2016 CCLB Dually LML SOLD: 2007 CCSB LBZ. :cool 69 Camaro S/ST-S/Gas :gearjamin ... I really hope that the starter solenoid is the cause of my intermittant "crank-no start" condition. 2004.5 - LLY Silverado 2500HD 4x4 CrewCab Suncoast ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the ...06 Duramax Crank, No Start. ... CF5 Power Sunroof, LML Duramax 6.6L Turbo Diesel w/ Allison 6 Speed Trans, Il6-I06 Audio System 8" Diagonal Color Touch W/Navigation & Intellilink, U42 Rear Entertainment System, Z82 Trailering Equipment Pkg, Z85 Heavy Duty Suspension, UY2 Camper/5th Wheel Trailer Wiring Provisions, Y65 Driver Alert Package, UD5 ...Drive it 20 miles, shut it off, come back out 20 or 30 min later and won't start. Have to go through a half dozen cycles of pumping the primer and trying it. Finally starts. I did change the fuel filter thinking it was that. No change afterwards. Finally get it home. Leave it set overnight and and it starts immediately in the AM cold.Lml stalling randomly at idle and while driving. My truck randomly shuts off at an idle and while driving. Sometimes it happens 5x a day, sometimes 1x, sometimes not at all. Gm Dealership put a brand new ECM in when it did it the first time. That lasted about 1200 miles, now it's doing it again. When it dies the service traction, service ...

Great, i would suggest measuring the low fuel pressure to the fuel filter input and output to the high pressure pump. And then we will start from there. If there is no lift pump or pump at all in the tank there should be a vacuum at the input of the fuel filter. Yes, but the system was made to work with an electric supply pump.11-16 LML Duramax Powertrain Crank and no start!!! Jump ... It cranks and runs on gas fumes . 2015.5 GMC 2500 HD 6.6L Duramax-AIRDOG2 165, FLOW PRO 5" DOWN PIPE BACK W/ MUFFLER, S&B CAI, CTS2 INSIGHT, PELA Motorsports & PPEI KW TUNED :gearjamin , Built Trans, Billet TC, Billet Input Shaft. ... The system is in standby mode and will not start ...Literally just got the truck on Wednesday. It's a 2006, and it's my first diesel. Changed the fuel filter today, and cannot for the life of me get the system primed back up. I loosened the bleeder screw, and have been pumping for so long that there's a blister on my hand. Can't get any prime at all. The truck has a little over 1/2 a tank in it.30 posts · Joined 2016. #1 · Sep 23, 2016. I have a 2015 3500 dually, 94k haven't had any problems with it till I got some bad fuel. Only reason I think it's bad fuel is because of the color and doesn't smell right. The bottle in the left is the "bad fuel"...Now it won't start. Changed FPR#1 on top of cp4 and fuel filters 3 times.also, try and stay away from either. if you get desperate, use a small amount of gasoline, WD40 or something similar. much safer. bad CP3 can definitely leak fuel in to the return. pull the return on the CP3 and verify how much comes out when cranking. if it is too much it can rob the pumps ability to make pressure. M.Have a 14 3500 srw cranks but no start. have a code ' ECM p1049 " any ideas ?Put the other end into the container and run the engine to fill that line. Then shut it off and remove the IGN 1 relay from beside the starter relay. empty out the container and keep the line full. Crank the engine for 15 seconds fully and measure the amount of fuel that comes out of that line.Try it. Read about your engine here Chevrolet-GMC Diesel Diagnostics Note the info in the fuel injector section for your engine family. The injectors require a minimum of 3 BAR (45 psi) of pressure in the return system. Pressure is maintained via a "Constant Pressure Regulator" at 4-11 BAR (58-160 PSI).3 posts · Joined 2017. #1 · Mar 22, 2017. My 2012 lml shut off of me while driving home. No codes or lights, just shut down. Once off the road it would not restart. Engine cranks fine but will not start. No codes are being thrown. Current mods are fass150..s&b intake...4 inch flo pro...efi live by KW. I have disconnected the fass system at ...Bought a one month subscription to Mitchell. Their spec indicates a minimum fuel rail pressure of 1450 psi @ cranking speed. Mine actually barely started today with a rail pressure of 1228 psi cranking @ approx 150 RPM. Engine idling rail pressure is 4K to 5K @ temp (180F) with a fuel temp of less than 135F. Did a balance rate test (in neutral ...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.

2011 Chev 2500 LML 86k miles Deleted in 2015. Running great until last week.. went to start and all crank no start. no DIC errors. Here's what I've done so far: Research on this site lol. Added 5 gal of diesel to tank (even though I'm at 40% full on the gauge) Swapped my FASS fuel/water filters. Primed stock fuel filter before and during cranking.

When I release the key everything comes back. I get service 4x4, service stabilitrak, service traction control. No illuminated DTCs. But when I use the autocal it pulls up a few codes. Which I will attach in a picture. I pulled every fuse (there were a few blown) but this didn’t help. Does anyone have an idea where to start?11 posts · Joined 2017. #1 · Dec 27, 2017. This morning the air temp read -5 F and the truck would turn over and start no problem then die after 2-3 seconds. It did this multiple times and is now sitting in my driveway as I drive my other vehicle. It's a 2017 Chevy 2500 Duramax with no block heater. I know diesel isn't as regulated is gas ...I have a 2012 lml. It has 3k miles on. It was at the dealer for an alignment. Drive it home turned it off. Went to move it quick after. Stalled out on me. Used my minimaxx. No dtc's! Ref lashed ecu for the heck of it. Still nothing. I opened hood reseated mass airflow sensor. I opened bleeder on fuel filter and primed it. It was squirting fuel ...Came back, turned it off, tried to restart. It cranked, fired, ran for about 3 seconds then back to no crank/no start. Tried to disconnect the BCM again and pulled the fuse for 20 minutes but no luck. Battery was still good, and I was able to run the starter by jumping the starter relay, but no starting.11-16 LML Duramax Powertrain 2001 LB7 no crank no start, ? ... and the truck will not crank or start, the starter relay clicks under the hood and the selonoid clicks on the starter, all connections are good, every accessory works on the truck , I also tried to start it in neutral I did run a diagnosis scan and found the following codes, o390 ...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 ...3 posts · Joined 2021. #1 · Apr 14, 2021. I have a 2011 LML chevy silverado duramax that all of a sudden will not start crank and scanners cannot make communications with the ecm/pcm. I've checked the wiring and harness for any damage and im unable to find any. I've followed alldatas info and what to do and it has no results the truck still ...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 ...2011 Chev 2500 LML 86k miles Deleted in 2015. Running great until last week.. went to start and all crank no start. no DIC errors. Here's what I've done so far: Research on this site lol. Added 5 gal of diesel to tank (even though I'm at 40% full on the gauge) Swapped my FASS fuel/water filters. Primed stock fuel filter before and during cranking.Measure both batteries and check all connections first. Could be the starter or solenoid going. Sent from AutoGuide.com Free App. 2008 Silverado K3500HD dually CCLB (LMM) 2005 Silverado K2500HD ECLB LT (LLY) (SOLD) 2003 Silverado 2500HD ECSB 6.0l/4L80e. 2000 Pontiac Grand Am GT. Member #1063 3500 Dually Club:thumb: J.

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Get ratings and reviews for the top 12 window companies in Peoria, AZ. Helping you find the best window companies for the job. Expert Advice On Improving Your Home All Projects Fea...I have a 2003 Chevy Duramax 6.6 turbo diesel. I've been having starting problem for about 6 months now. Long cranking before start no matter cold, warm start, start shut off still long crank. I can live it on the block heater and still long crank time, sometimes 8 to 10 second cranking time. No codes. No smoke out tail pipe, no diesel in oil.GM 12665359 Fuel Filter Head Asm. 2011-2016 Duramax LML Cure hard starts and extended cranks from lost fuel system prime with this OE replacement fuel filter head from DHD. This OE Filter head is pre-assembled and ready to install.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 ...Duramax Fifth Generation: 2011-2016 (LML) HELP - LML sudden crank but no start. Jump to Latest Follow 392 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.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 ...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. Mechanic's Assistant: Have you noticed an increase in fuel consumption? And how does the GM start—same as usual? Crank no start It was towed in. Died on the highwayWon'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 ...Subject: Duramax Diesel Crank No Start, Hard Start, or Extended Crank Models: 2010-2011 Chevrolet Express, Silverado 2010-2011 GMC Savana, Sierra Equipped with the 6.6L Duramax Diesel Engine RPO codes LGH and LML The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition/Concern: A dealer may ...Then wouldn't fire again, seemed like a broken wire as wiggling the sensor or removing it and reseating would work for a bit. Found that all 3 wires on the connector had the insulator cracked, ordered new connector and replaced. Still no fire, no codes. Checked the wires between the connector and the black connector above the drives side head ... ….

Lml crank no start. 2015 Duramax, we just have done a def and dpf delete put all together and uploaded the efi live tune as the tuner manufacturer says to. Crank no start. It will fire a few times but the just continue turning over with the starter. The cold side intake tube just before the butterfly is wet with what smells like fuel.There are people who cruise a little and people who cruise a lot. And then there’s Ilene Weiner. There are people who cruise a little and people who cruise a lot. And then there’s ...11-16 LML Duramax Powertrain No Start 2011 LML. Jump to ... I have a 2011 LML I took to wash the other day and would not start when I got back in. Since then I was able to get it to start, but will only run for a few seconds and die. ... The cam and crank sensors are right next to each other, the crank sensor is just a little bit lower and to ...11-16 LML Duramax Powertrain. No Start 2011 LML. Jump to Latest Follow 21 - 40 of 48 Posts. 1 2 3. travis42 · Registered. Joined Sep 12, 2010 · 732 Posts ... No start and a sputter like it wanted to start, It was the sensor just above the crank pulley I forgot to plug back in. Save Share.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.Try it. Read about your engine here Chevrolet-GMC Diesel Diagnostics Note the info in the fuel injector section for your engine family. The injectors require a minimum of 3 BAR (45 psi) of pressure in the return system. Pressure is maintained via a “Constant Pressure Regulator” at 4-11 BAR (58-160 PSI).Check fuses/relays. If the Injection Pump Fuse blew it would cause loss of communication. Sounds a lot like the old Cummins VP44 issue. The relay that gave the injection pump power had a faulty socket in the fuse block and would drop power and it would throw a communication code almost exactly like that and result in a no start condition. 2.It's now a "Crank no Start" situation. I am replacing the injector return lines and regulator with new but am not sure that will fix the issue. ANY IDEAS? 2012 LML CP3 (proactively before CP4 failure) No-EGR, No-9th Inj CTS2 SOTF tunes ATI Damper 4" full exhaust and DP Titan tank/Beans Sump Fuel Filter Delete FASS150 with new filters3547 posts · Joined 2007. #5 · Jun 9, 2009. X3 on the sensor, mine did not even leak a drop of fuel but took longer to start. 2006 2500HD CCSB 4X4 RED LBZ. Spray-In Bed Liner, Air Bags. Custom Reese 20K slider FWH/Gooseneck hitch. 265/75/16 Michelin LTX AT2's on PYO's. Duramax.com tow tune w/turbo brake. Lml duramax crank no start, Hook'em_Horns! 30104 posts · Joined 2008. #3 · Dec 10, 2013 (Edited) Cold drops can irritate an existing problem with a worn fuel filter head, losing fuel prime and taking many more turns to fire over. That fuel rail shim remedy you did, the issue may have been in the filter head all along. 🇨🇱 🚆2007 LBZ 3500 LT3 DRW Crew Cab ..., 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., Check fuses/relays. If the Injection Pump Fuse blew it would cause loss of communication. Sounds a lot like the old Cummins VP44 issue. The relay that gave the injection pump power had a faulty socket in the fuse block and would drop power and it would throw a communication code almost exactly like that and result in a no start condition. 2., The Duramax trucks do not have a fuel pump, so when you change the fuel filter, you have to re-prime the system by using the primer button on the Fuel filter housing. If you did not do that, you must have had to crank the engine a long time. It will not show leaks, because it is under negative pressure, not postive, like one with a pump in the ..., Possible someone shimmed the valve and lost parts-- COMMON. Pull the "U" hose from the fuel rail-- plug the hose. Connect a hose to the nipple on the fuel rail. Crank the engine--- any fuel coming out of the fuel rail nipple -- the FPRV is leaking fuel-- IT WILL NEVER START., Crank no start. Jump to Latest ... the duramax induction hardened block can take a lot of abuse but I would still use the heater to get oil moving faster and warm coolant to the def system and just all around faster clean burning condition. ... Z71, LTZ, 4x4, 6.6 ltr. LML long-bed 2006 Quicksilver 6-speed GTO ERL LS3-430, All-Pro 285cc heads ..., 2016 Chevrolet Duramax LML 6.6 Liter, cranks but wont start! Looking for some input on this vehicle. Took to the dealership and was diagnosed to have a failed …, 12 posts · Joined 2013. #1 · Jun 10, 2020. the truck has 158k looks very well maintained. wont run. i scanned data and found no oil pressure while cranking.oil level is good and does not show metal on oil dip stick nor the oil that came out of the filter, i than remove the oil filter and cranked again and no oil came out when i was cranking ..., Symtoms: -No start when turning key forward. -Continuous crank no start when u just put the key in. -no communication with any scanners. -was working just fine the other day, with lights on. Weird I know, the lights have nothing to do with starting but I swear, lights on auto and you get the continuous crank symptom, lights on and normal ..., 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., Measure both batteries and check all connections first. Could be the starter or solenoid going. Sent from AutoGuide.com Free App. 2008 Silverado K3500HD dually CCLB (LMM) 2005 Silverado K2500HD ECLB LT (LLY) (SOLD) 2003 Silverado 2500HD ECSB 6.0l/4L80e. 2000 Pontiac Grand Am GT. Member #1063 3500 Dually Club:thumb: J., Go to Duramax r/Duramax. r/Duramax ... ADMIN MOD 2015 LML cranks but won't start . 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., 07 C5500, Crank but no start. ... 2015 Chev 2500HD 4x4 CCSB LML/Allison 6" lift, 35s 2021 Yukon Denali 6.2L 2006 GMC 3500HD C&C, LBZ/Allison, 14' aluminum dump bed ... Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more!, 6.6l 2006 duramax won't start. I mistakenly posted in the wrong section but my truck was running great. Shut it off wouldn't start back up. Towed it home started Next morning. Shut it off wouldn't start again. Changed the fuel filter next day started up. Switched it off wouldn't start again. Have tried priming while engaging starter still nothing., 2011 lml runs w starter fluid but won't crank without it h&s mini max 3" straight pipe 175,000 miles Got the truck at auction, said it was a run and drive…. ya about that, it cranks with stater fluid, and yes iv read all the no no on that. I drove it home from jackson ms, to memphis TN. Changed fuel filter and still no start., 2011 Chevy Silverado duramax crank but no start. ... CF5 Power Sunroof, LML Duramax 6.6L Turbo Diesel w/ Allison 6 Speed Trans, Il6-I06 Audio System 8" Diagonal Color Touch W/Navigation & Intellilink, U42 Rear Entertainment System, Z82 Trailering Equipment Pkg, Z85 Heavy Duty Suspension, UY2 Camper/5th Wheel Trailer Wiring Provisions, Y65 ..., Duramax LML no crank no start - bad relay. Engine wont crank at all. Batteries are pretty new. Lights and dash all lights up no problem, but nothing at all when turning key. Popped engine driver side fuse box open to poke around. Found issue with the "RUN/CRNK" relay, might be the cause., 1 post · Joined 2023. #1 · Feb 16, 2023. I have a 2013 lml dmax that will crank no start after driving. you can crank the truck and drive it with no issue until you shut it off after a drive. As soon as you cut it off after a drive it will crank no start while no start im pulling 1700psi on the high side has clear fuel lines from housing to ..., 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., 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. …, Depending on build date, your 2022 would have had it from the factory. If built before then the dealer should have applied the update whenever the truck was in for service -- imo especially if it was a start process complaint. The updated software takes about (iirc) 0.2 seconds longer crank before it injects fuel and starts., John6363. 4927 posts · Joined 2013. #3 · Feb 1, 2016. Try Disconnecting the batteries and on the driver side hold both terminal wires together for 1 minute. That will restart the system. 06 RCLB 4x4 (The OG Farm Truck) EFI live, Built trans, 30% sticks, 68mm stg2r, Tons of supporting mods. Died 11/15/2019., 1792 posts · Joined 2007. #2 · Apr 12, 2008 (Edited) :welcome2:Make sure both batteries are good. Engine must spin to 140 RPM before it will fire. If those are the original batteries, I would be suprised if they are up to the task. Hard warm starts, crank time in excess of 3-4 seconds, is a sign of injector problems., I'm pretty sure that the answer is that GM makes parts common to multiple vehicles and the fuse box is one of them. Not every fuse is used in every truck that receives this fuse box. The gas engine models appear to have a fuel pump control and a fuel pump. The electrical manual - GM UPFITTER - Body Builder Manuals - does show a pin on the ECM ..., 1497 posts · Joined 2020. #2 · Jul 1, 2021. GM hasn't figured out the cause of this issue yet. It is affecting a good many trucks. 2019 3500HD, Cclb, Drw, Deleted and Tuned, Wehrli turbo horn, intake, boost tubes, Banks idash, S&B map spacer, VSE fuel filtration, 5 inch exhaust., 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 ..., 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 ..., Subject: Duramax Diesel Crank No Start, Hard Start, or Extended Crank Models: 2010-2011 Chevrolet Express, Silverado 2010-2011 GMC Savana, Sierra Equipped with the 6.6L Duramax Diesel Engine RPO codes LGH and LML The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. …, F. FTGdMax Discussion starter. 90 posts · Joined 2014. #1 · Dec 29, 2015. Woking on a 1 ton LBZ, just redid the HGs and trying to restart, keep getting the P0335 code. Don't really know where to go. The sensor is in good condition, not bad, and the connectors are in their proper places., 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., The Mini Maxx is picking up three codes... P2510 "Power relay Sense Circ Range/Performance" P0513 "Incorrect Immobilizer Key" and P0571 "cruise control break switch circuit". I keep clearing the codes and sometimes only one or two of these will pop back up and sometimes all three will come back up. This all started happing after I got the truck ..., 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., 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. ...