2024 Lml duramax crank no start

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 ...D. DuramaxNoKaOi Discussion starter. 392 posts · Joined 2008. #7 · Feb 10, 2014. Hey John, FYI I found out the injectors NEED minimum 1500 PSI of rail pressure to open, at least the LML with piezo injectors do, and I'd bet the older ones do too. I've got plenty of tips and suggestions for making it as easy as possible.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.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 …Ron Nielson. 10664 posts · Joined 2009. #14 · Feb 27, 2021. If no signal to the BCM, check the pink wire on connector X1 at the BCM, pin 2, and the white wire connector X1 at the BCM pin 4. With the key in start position, both of these should have voltage. Pin 4 should have 5V.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 ...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.Chevy / GMC Duramax 11-16 LML Forums. 11-16 LML Duramax Powertrain. P0193 code. Jump to Latest Follow 39K ... the connection would break & the problem would start. I'd get a P0193 & Max Fuel Rail Pressure of 26K psi. When this started, I did replace the connector & wires because they were in bad shape but only replaced a couple of …11-16 LML Duramax Powertrain. Random Long Crank. Jump to Latest Follow 9K ... Occasionally my truck will not start, unless you crank it for 30-40 seconds, then after that, works just fine, starts like normal, you would never notice anything outside the ordinary. ...Quncy, Fl. Sep 28, 2010. #3. A bad injector that white smokes will not show up on the balance rates. One way to rule it out would be to use the DVT and control pressure. Ramp it up 1 kpa at a time until it goes away. Then turn off controls and watch it come back in about ten seconds.3. FRP Fuel rail Pressure shows above 15000 PSI cranking (assuming rail pressure is good). 4. RPM shows about 130 RPM while cranking (assuming crank sensor is good) 5. FICM Fuel Injector Control Module wirings are in good order, no cuts or breaks and both big connectors receive ignition 12v and both have grounds.343 posts · Joined 2010. #1 · Jan 8, 2021. Looking for some guidance on crank no start without DTCs. our 2011 has a fass lift pump so I know its getting fuel to the CP4 but I don't know if that is doing anything. When cranking my DFRP does not seem to match actual. We tried replacing sensor on firewall side of driver side rail per some ...The counter is managed by the ECU, if the problem would be a bad cam sensor or reluctor, the value would be wrong but would not reset. Frank@AutoPro. Category: Chevy. Satisfied Customers: 7,655. Experience: Expert. Verified. Frank@AutoPro and 87 other Chevy Specialists are ready to help you. Ask your own question now.This duramax was brought in for a cranks no start condition. It's not making any high pressure fuel pressure. Starts and runs with propane. I believe its got...8350 posts · Joined 2010. #7 · Nov 2, 2014. Using a test light, check the small wire on the starter for power when the key is turned to start. If it has signal from the key every time then the problem is the starter. If its not getting power when triggered it is before the starter and needs to be traced back. -Aaron- .If you have a test light, just put the probe on the solenoid connection (not the battery connection) and ground the other end. Have someone turn the key to start. Your test light should be bright. If no light, your starter relay is probably bad or you have a broken wire from the relay to the starter solenoid, or your starter is bad and needs to ...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.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.Happened for maybe 2 seconds and then went away and everything was fine. 1. Shift inhibited shift to n to reset. 2. Service traction control service stabilitrak. 3. Service trailer brake system. Then last week headed down the highway about 65mph, lost all engine power, no codes. No crank/no start.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.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.18259 posts · Joined 2008. #3 · Jan 7, 2019. If you do not have fuel in the CP3 pump- only air- it will NOT build rail pressure. Disconnect the fuel line at the CP3 and put a LITTLE pressure in the fuel tank, use a rag around the air line- check for flow out the hose. Possible the in-tank line is cracked- fuel hose at the driver side of the ...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 ...If it sounds normal then you're probably looking at a sending unit issue, or loose wire from sender. If oil pressure is really that low you would know by sound of motor! 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.Starting fluid causes it to kick over but still won't run. While cranking, rail is building up to 20,000psi. DTC was P0335 (crankshaft sensor)After about 5 times of cranking for about 10-15 seconds while logging, the starter will now only crank for maybe about 5-6 seconds before just cutting out. (charger has been on the truck the entire time ...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...LB7 Crank no start. ... 2015 Chevy Silverado 2500 HD 6.6L LML. Save Share. Like. N. ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!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 ...The CAM signal present and the engine RPM parameters on the scan tool should change. If the CAM signal present and the engine RPM does not change, replace the ECM. Ignition OFF, inspect the wiring harness for any damage, opens or shorts. If the circuits test normal, replace the CMP sensor. Repair Instructions.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.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 ...5257 posts · Joined 2009. #3 · Oct 19, 2020. P0340 is Camshaft Position Sensor Circuit. It will not set the same code for camshaft sensor error, that has its own set of codes for crankshaft errors. Basically it is not seeing a signal from the camshaft because its not seeing the completed circuit. Sensor or wiring issue most likely.Scanner shows 1 parameter where the fpr was reading off and the injector balance rates while cranking were fixed at .8 not fluctuating. all the lines were replaced except a few the dealer didnt have. 2015.5 GMC 2500HD Denali. EFI Live Starlite Tunes and Trans tune. Fass 95GPH lift pump. AFE intake, MBRP downpipe and exhaust.Have a 2016 LML will not start. Drove fine and shut it off and now will not crank. Just hear a click. Some background: Truck is stock with 140000kms. Had a slow crank/start issue for the last little while which I knew was a bad battery. Tired to boost it and still wont crank. Replaced both batteries and checked relays. No change.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 ...Sep 12, 2017 · LML No Start (Has Rail Pressure) I have a LML that will not start. Several days ago the truck died on me. I checked my Air Dog and found that the motor was locked up and not moving any fuel. After replacing the Air Dog motor I now have plenty of fuel flow to the engine. I confirmed this by putting the supply line in a bucket and watching the ... 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 ...Put the bleeder screw back in. Pump the primer bulb until it gets so hard you have trouble pushing it down, then crack the bleeder screw open. Repeat the process until you get solid fuel and no air out of the bleeder. Doing it without the bleeder screw in makes it take longer and more effort. If it never gets all the air out, it may need a ...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. ...2015.5 LML No Start No Crank. A few moths ago my injection pump took a dump, took it to a shop and while waiting on insurance company he verified metal on the metering valve and water in the tank. Insurance denied claim after 2 months so the batteries were dead the whole time. Brought my truck back to my house and replaced fuel system …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 ...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.2002 Chevy 2500HD purchased 1 week ago. 40k miles. 6.6l No history. Has been running fine. Filled tank today, was 3/4 full. Drove home 5 miles. came out several hours later, engine cranks normally but won't fire. Held throttle down and it started. Had slight surging. Very slight. Drove 5 miles, had dinner, came out, crank but no 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 …If you got fresh fuel in the can, and the stock filter is in place, change the filter on the truck, pour 911 in the new filter and some in the 5 gallon container. Run the supply tube from the pump into the can and start priming the fuel through until you get a good stream. Close the bleeder pump til hard and try to start.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. 64. Norco CA. www.mcratracing.com. Jun 20, 2009. #3. If you get the cam sensor and crank sensor wires swapped, it will not start. Try swapping and try again. But, yeah, those pressure readings sound wrong, but I don't remember what is normal reading when cranking. Thought it was 4,000psi, but not sure.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.Ron Nielson. 10664 posts · Joined 2009. #14 · Feb 27, 2021. If no signal to the BCM, check the pink wire on connector X1 at the BCM, pin 2, and the white wire connector X1 at the BCM pin 4. With the key in start position, both of these should have voltage. Pin 4 should have 5V.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.ASKUL is presenting Q1 earnings on September 12.Analysts expect ASKUL will report earnings per share of ¥7.86.Go here to watch ASKUL stock price i... On September 12, ASKUL will re...No Crank just one loud Click (LMM) I went to start my 2008 2500HD Duramax after it sat for 2 days coming down from a fairly tame drive down the mountain, all I got was a distinct "click". New batteries (under 1 month) each read 12.6V disconnected. I tried shorting the starter solenoid with a screwdriver, just made a few sparks.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 ...4 posts · Joined 2017. #1 · Dec 9, 2017. I have a 2008 duramax, issue popped up when hauling a load. Hauled roughly 20k lbs through the mountains. Next morning the truck cranked no start twice, but the 3rd time it started. Hauled an empty trailer, 6k lbs, back across the mountains, the following day the truck cranked no start and hasn't ...p2295 code. This has been happening for the past couple of months and I've been so busy I haven't been able to take it to the dealer (warranty). I'm throwing a p2295 code for a fuel pressure regulator 2 control circuit low, what would cause this. Truck is a 2012 LML and is bone stock nothing done, just out of no where this started happening and ...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. …Turn the ignition ON with the engine OFF, and at room temperature. The glow plugs turn ON and heat up in 2 seconds and then are pulse-width modulated (PWM) for another 2 seconds. The glow plug wait lamp is ON for 1 second during cold start. The glow plug wait lamp may not illuminate during a warm engine start.3. FRP Fuel rail Pressure shows above 15000 PSI cranking (assuming rail pressure is good). 4. RPM shows about 130 RPM while cranking (assuming crank sensor is good) 5. FICM Fuel Injector Control Module wirings are in good order, no cuts or breaks and both big connectors receive ignition 12v and both have grounds.So here we go, have a 2005 lly that I bought about 2 months ago. Prior to buying it the truck would have a lope at idle after being warm, injector 4 would not read a balance rate after it was warned up and figured it was in the wiring harness. Pulled the truck apart and the harness was pretty bad a lot of broken and rubbed threw wires so figure ...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?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 ...Feb 18, 2021 · Ron Nielson. 10664 posts · Joined 2009. #14 · Feb 27, 2021. If no signal to the BCM, check the pink wire on connector X1 at the BCM, pin 2, and the white wire connector X1 at the BCM pin 4. With the key in start position, both of these should have voltage. Pin 4 should have 5V. 351 posts · Joined 2008. #1 · Jul 14, 2014. 2011 LML 82k, The truck takes a little more cranking to start. It seems to me that it is losing prime. I changed the vacuum sensor and put a new fuel filter on it but the problem persist. Any ideas or suggestions would be appreciated thanks for your time in advance. 2011 3500 SRW LML. Like.Turn the ignition ON with the engine OFF, and at room temperature. The glow plugs turn ON and heat up in 2 seconds and then are pulse-width modulated (PWM) for another 2 seconds. The glow plug wait lamp is ON for 1 second during cold start. The glow plug wait lamp may not illuminate during a warm engine start.D. DuramaxNoKaOi Discussion starter. 392 posts · Joined 2008. #7 · Feb 10, 2014. Hey John, FYI I found out the injectors NEED minimum 1500 PSI of rail pressure to open, at least the LML with piezo injectors do, and I'd bet the older ones do too. I've got plenty of tips and suggestions for making it as easy as possible.66 posts · Joined 2015. #2 · Mar 9, 2015. Mines at the shop right now. Used remote start, started for a second then died, after that the CEL came on. Only has 600 miles on it! 2015.5 GMC Sierra 2500HD SLT All Terrain, Debadged, Mcgaughys 2" drop shackles, 20% window tint. Share. Like. R.Turn the ignition ON with the engine OFF, and at room temperature. The glow plugs turn ON and heat up in 2 seconds and then are pulse-width modulated (PWM) for another 2 seconds. The glow plug wait lamp is ON for 1 second during cold start. The glow plug wait lamp may not illuminate during a warm engine start.Help everyone I have a twenty thirteen LML With a CP3, Deleted Fast lift pump, Removed stock fuel filter housing, Linco fooler, replaced both fuel rails. Replaced both batteries last month. CRANKS normal but fuel rail pressure 65.27psi When cranking 102.98, fuel pressure reg1 35,MIL circuit open test FAULT,BASE injector fuel rate 55.55 …2003 lb7 crank no start. ... 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 Front & Rear Park ...Get ratings and reviews for the top 10 gutter companies in Russellville, AL. Helping you find the best gutter companies for the job. Expert Advice On Improving Your Home All Projec...EFILIVE or a TECH 2 is best for scanning a DMAX. You could have lost a cam or crank sensor in it. Normally a bad FCA will cause a lopey idle, but not a no start. Sometimes though the spring inside of it can fail though and let the piston go full closed.This duramax was brought in for a cranks no start condition. It's not making any high pressure fuel pressure. Starts and runs with propane. I believe its got...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 ...19 posts · Joined 2009. #1 · Oct 28, 2014. OK I need a little help. I have an 08 I bought at an internet auction. Just got it to the shop and it has a no crank/ no start condition. I plugged in the scanner and it will not communicate with the truck. I have power and grounds at the dlc but no communication so no codes or data to give.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.No communication with TCM. No communication with Glow Plug Control Module. P0113. P0090. P0098. Pulled every connector apart and put them in plastic bags with silica packets for 48 hours. Used WD40 and wire dryer on connections. Went to start truck and voltages were all over the place. Lights dimming and brightening repeatedly.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 …M.A.M. 9116 posts · Joined 2014. #9 · Apr 16, 2020. Sounds like a spun bearing to me, probably connecting rod. When it goes into reduced engine, the ECM turns off the injector on the cylinder that is knocking, and it goes away. Guessing you can figure out which cylinder it is by turning off injectors with a scan tool.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 ...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 ...No Start, No Click. 2017 Duramax 2500HD. Truck ran great. Two days of sitting in cold, with -12° weather. Went out today (never had to plug it in) to start it. Slow turn over almost fired about six times. Then it would start and run and die. Eventually it started and kept running but stumbling. Shut the door to clean slow off, ran for about a ...May 11, 2021 · 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 ... 1.Switch ignition key off. 2. Disconnect the TCM electrical connector and remove TCM from the vehicle. 3. Test for continuity between pins 9 and 69 at the TCM.If continuity exists between pins 9 and 69,then refer to steps in eSI for ''NO Engine Crank'' and/or ''No Communications''.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 that

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.. Jade intervention death

2016 LML Duramax Crank No Start Is Resolved! GM_Central. 949 subscribers. Subscribed. 22. 3.7K views 9 months ago. Completely overlooked this issue and now I feel like an …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 ...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. So, I picked up the truck this morning from the dealer and it started fine. Went home, parked for about 30-45 mins, went back out. Started fine. Out, drove around for about an hour, went home and parked again. Approx 90 mins later, went back out and tried to start truck. Went through 20-25 full crank cycles and it wouldn't start.2011 LML Intermittent No-Start. This is my dad's truck as I have crossed over to the dark side. 2011 LML Denali Was Black, We painted it Red. Has EFI Live by Kory Willis on the 150 tune for over a year. Also I just changed all of the fuel filters after this started happening thinking that air was getting in the fuel line from somewhere.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.I recently pulled the cab off a 2012 lml, everything went back on the same as it came off except the truck won't start now. I am getting the car&lock symbol but have tried VATS multiple times with no luck. I am also not getting a line under the P-N-R-D-M, forgot the order, either. I am maybe thinking the TCM somehow became corrupt??#1 · Mar 25, 2022. 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 …Will only build 180psi of rail, has fuel everywhere it should have fuel. Even swapped the old regulator back in to see what was up. Same deal crank no start no fuel pressure. I have verified no flow out of the return line cranking on the #2 regulator, all the plugs in are in the correct spot. Also put air pressure to return of injectors while ...Chevy / GMC Duramax 11-16 LML Forums. 11-16 LML Duramax Powertrain. Crank, No start, new motor. Jump to Latest Follow 1 - 4 of 4 Posts. 4Ediesel · Registered. Joined Oct 6, 2020 · 1 Posts ...Chevy / GMC Duramax 06-07 LBZ & LLY Forums. 06-07 LBZ & LLY Duramax Powertrain. no crank, no start. Jump to Latest Follow 914 views 3 ... 2015 Chevy Silverado 2500 HD 6.6L LML.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..

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