2024 Lml duramax crank no start

2011 duramax lml no crank no start. Jump to Latest Follow 302 views 2 replies 3 participants last post by Ron Nielson Nov 6, 2023. R. Romanov Discussion starter 3 posts · Joined 2023 Add to quote; Only show this user #1 · Nov 5, 2023. Bought truck about 2 months ago, it was blown, needed new rods and bearings. crank as well. .... Colorado rainfall totals 2023

At first glance it seems that any vehicle with a 3.0-liter Duramax diesel — including the Silverado, Sierra, Suburban, Tahoe, Yukon and Escalade — can have issues with long crank start times or no start. And that means light-duty trucks and SUVs GM has made in the last three years — specifically 2019, 2020 and 2021.787 posts · Joined 2011. #5 · Jul 4, 2013. I experienced the same problem. It turned-out to be a faulty "Water in Fuel" sensor, that was leaking fuel, and allowing air into the line. Present: 2015 K2500HD LTZ Crew Cab Z-71. My Chevy Truck History: 2011 K2500HD LTZ Crew Cab LML.Buy Bosch LML or LGH Injectors. Injector Testing Information. a. (No Start) Disconnect the electrical connector and return line from one injector. Plug the fuel return line fitting with a suitable tool (CH-50377-A). Crank the engine for 15 seconds and verify no fuel leaks from the injector. If fuel leaks from the injector, replace it.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.I had to reprime after letting the truck sit for more than a couple of hours. Present: 2015 K2500HD LTZ Crew Cab Z-71. My Chevy Truck History: 2011 K2500HD LTZ Crew Cab LML. 2007 Classic K2500HD LT3 Crew Cab LBZ. 2006 K2500HD LT3 Extended Cab LBZ. 2003 K1500 LTZ X-Cab Z-71 5.3 Liter Gas. 1998 K1500 Silverado Z-71 5.7 …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.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.Shown is a normal exciter wheel (A) and a bent exciter wheel (B). The damaged wheel may or may not make contact with the timing chain. If the camshaft position sensor exciter wheel is bent, it should be replaced. If the wheel is not damaged, follow the appropriate Service Information diagnostics for an intermittent crank/no start condition.the truck was deleted l about a year ago the problem started when the change fuel filter light came on i replaced the filter head base and a water in fuel sensor and now it wont start i bleed the system many times i can reset the change filter ..notification ,,and if i drive it hard it will come back on i added a ppe performance electric fuel pump still no start and i also replaced 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.Truck will start sometimes "maybe once a day" but two long crank cycles, once it's turned off it will not start again without starting fluid. Runs great otherwise. Had a p0087 code , deleted filter and put airdog 165 on. Put new injector return lines and regulator on, vacuum switch and fuel pressure sensor. Didn't see any metal debris ...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??Got a 12 LML crank no start with actual meeting desired rail pressure. Just a few things. I feel I have check everything. Here is what I know. It has a new left rail with from GM, so new pressure sensor and FPR #2. Has a Fleece lift pump supplying lots of volume to pump. I have a good verified with scope cam and crank signal.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.1445 posts · Joined 2009. #19 · Dec 8, 2013. Try one battery at a time. While it might crank slow on a single battery, one might show itself to be bad by cranking really slow or not at all. 2005 Chevy Silverado 3500LT SRW D/A CC/LB LLY 4x4 (loaded) LBZ MP, TxCAI, Stack sealing, Mass/IAT shield, LML manifold.Koslow Discussion starter. 3 posts · Joined 2020. #1 · Oct 22, 2020. 2011 duramax deleted with air dog lift pump. Has trouble starting changed fuel filter and water separator was throwing low rail pressure code. Took to shop as problem persisted. Shop said they replaced a fuel line and fixed it, problem not fixed now truck will not start.11-16 LML Duramax Powertrain Complete Shutdown While Driving. Jump to Latest ... I am thinking that it is a loose connection somewhere but have no idea where to start. 2013 GMC 2500 Denali Thanks for the help. 2009 2500HD LMM - LTZ - 93k 2013 Ford F150 Raptor - SOLD 2013 GMC 2500HD DenaliHD - SOLD. Save Share.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.Just finished my injectors with new plumbing and I'm waiting for my girl to show up to start the truck while I prime it. Or until I install the air dog I just bought. 2002 GMC 2500HD LBCC SLT 4X4 164,000 Duramax/Alison, Federal. 2002 GMC 2500HD EC/SB 330,000 2WD Allison 5spd K&N intake, Air Dog 165, Rebuilt injectors at 315,000, new injector ...Sep 27, 2016 · 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. 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 ...Car trouble always seems to happen at the most inconvenient times, usually when you are already running late or on your way to an extremely important commitment. Turning your key t...Big data is a sham. For years now, we have been told that every company should save every last morsel of digital exhaust in some sort of database, lest management lose some competi...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.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 the donner ...2011 LML the DEF/ Emissions have been removed EGR blocked etc, with some EFI tune. The guys took the truck to an auction to pick up some equipment and got back to the office and it would not start. After going through it the shop mechanic has done the following: Replaced the fuel filter, Installed the Fuel filter pump rebuild kit from MA.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. …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.Then you will bump the starter motor over leaving it in on position (even if it cranks itself for a while). Then the fuel pump once again should be buzzing for a few seconds, (it does this as the computer sees RPM and turns on the fuel pump (as commanded) whenever there is RPM). it is right on top of the fuel filter.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...Chevy / GMC Duramax 11-16 LML Forums. 11-16 LML Performance Parts Discussion. Lml no start. Jump to Latest Follow 3K ... Got it to start it ran good drove it for a little bit and shut it off now it wont start at all now just cranks. So i installed the air dog to help find leaks i found one in the valley on the feed line fixed that and rebuild ...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 ...LML Check Engine Light. Remote started the truck a few days ago (was in the 20's that night) went out to get in my what was supposed to be warm truck to find it never started. Pulled these codes with my edge evolution. P24C4 and P2493. Cleared them and they didn't come back until today.The bulk of most no-start conditions on an LB7 have to do with the fuel system, some with the starting system, and occasionally there will be trouble caused by other sensors like the camshaft position sensor, crankshaft position sensor, fuel injection control module, a faulty ECM, and more. Likely if there is an issue with any of those systems ...crank no start. Jump to Latest Follow ... 2013 Duramax LML CCSB LTZ My Build Thread SPORTSMAN CP3/ S369SXE/ 30% OVER EXXERGY INJECTORS, FASS 150, diamond eye 5" TB,6" Fabtech Lift no bolts, 35inch Toyo M/T, 20x12 Fuel Octanes,ISSPRO EV2 GM MATCH, BOSS grill,Fusion front and Iron Cross rear, …2011 duramax lml no crank no start. Jump to Latest Follow 302 views 2 replies 3 participants last post by Ron Nielson Nov 6, 2023. R. Romanov Discussion starter 3 posts · Joined 2023 Add to quote; Only show this user #1 · Nov 5, 2023. Bought truck about 2 months ago, it was blown, needed new rods and bearings. crank as well. ...Chevy / GMC Duramax 11-16 LML Forums. 11-16 LML Performance Parts Discussion Minimaxx, no start. Jump ... When I start to crank it turns over for a spit second then stops. It always has cranked fine on second attempt. ... But since the no start was happening I unhooked the hot wire and just put it on the on/off switch. It seemed ok …It's happened to me twice now seems like after a long trip I'll shut vehicle off for a while n when I go to crank it back up it runs for 10 seconds or so n then dies n won't start back up. Ill prime the filter for a sec n then it'll crank up n it's fine! 04 GMC 2500HD lly. PERFORMANCE: Edge Insight , AEM Bruteforce dry flow air intake.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. ...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 ...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 ...Crank, no start. Question, how are you getting good oil pressure, have fuel pressure? For 2006 and newer engines, at key ON and engine OFF, fuel rail pressure will be close to 0. If it is not, DTC P0191 may set. LB7, LLY, 01-04 At key ON, engine OFF, fuel rail pressure should be 1.1 to 1.8 MegaPascals (MPa), or 160 to 261 pounds per square inch ...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...11-16 LML Duramax Powertrain Can't connect to ECM. Jump ... Tried jumping it incase it was the batteries with no luck. The truck wont even try to crank which i believe is do to the ecm being dead. ... We will start tracing wiring but was hoping for some help on the issue. Is it possible to TCM took a dump and is making the ECM not connect even ...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.11-16 LML Duramax Powertrain 2012 LML Started Ran 30 sec died won't start ... pump that until firm- see if it will start then. If not, pump again and open the small plastic screw next to the primer pump-- pump until clear fuel comes out-- close the screw and pump the primer until firm. ... The engine will only crank about 1/3 way around with ...Then you will bump the starter motor over leaving it in on position (even if it cranks itself for a while). Then the fuel pump once again should be buzzing for a few seconds, (it does this as the computer sees RPM and turns on the fuel pump (as commanded) whenever there is RPM). it is right on top of the fuel filter.Now 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.Ran the tank down and refilled with fresh fuel and haavent had any problems since. 2006 CCLB LLY . 5" Flo-Pro exhaust with 6" tip, s&b intake, EFI live, Transgojr, Allison deep pan, Nicktane cat adapter, 17" wheels with 285's, nerfbars, ventvisors, fronts tinted to match rears with shadeband, and remote start.After the ignition is turned OFF before ECM power down. Conditions for Setting the DTC. Relay is responding incorrectly to the ECM command to de-energize. This diagnostic test runs twice a drive cycle. Action Taken When the DTC Sets. DTC P2510 is a Type A DTC. Conditions for Clearing the DTC. DTC P2510 is a Type A DTC.6.6L Duramax LML Fuel Return Testing. This one stalled while driving, and will not build enough fuel pressure to be measured by the Fuel Pressure Sensor. The priming pump will build pressure, but the pressure quickly bleeds off. It pulls 2 inHg while cranking. No debris was found in a sample collected from the return line, at the connection to ...2013 GMC Sierra Denali 2500hd Duramax. Truck sat for about a week went to start wouldn't start. Gave crank sensor code. Replaced crank senser still no start. Relucter ring is tight. Tried another crank senser same thing, no start. Crank senser code still there. Checked relays and fuses. Cleaned grounds. Please help11-16 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.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 ...replaced injectors,now will not start. ... Now go crank the starter with the line cracked open, then go back and pump the primer till it is hard, go back and try the starter for 5 seconds, pump the primer pump.....And repeat. ... 2003 Chevrolet 2500HD 6.6L Duramax - straight piped with 5 inch stacks, efi live w/ dsp 5 tuned by Idaho Rob :RockOn ...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.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.After tear down, noticed stress cracks around the bowls of the pistons (no surprise there). Customer opted to tear down further for an engine rebuild with some upgraded parts to eliminate weak points. One of those upgrades being a Callies Durastar crankshaft. Fast forward 2 months and 30,000 miles, we now have an engine that has lost its thrust.3 posts · Joined 2011. #1 · May 12, 2011. I have a 2002 duramax 2500hd, The truck will only start with starting fluid, When i shut it off after its been running for a while i can start it up no problem. When it sits for about 1hr then i have to use starting fluid again. Theres lots of cranking power, brand new glow plugs, new fuel filter.I have a 2013 Chevy 3500 with the 6.6L LML duramax and today. I have a 2013 Chevy 3500 with the 6.6L LML duramax and today while driving, it just shut off and it will crank over but not start. My programmer had a P1082 Code. ... Crank no start 2015 Chevy 3500 6.6 duramax past issues of shutting off but cranked back up ...Trying to find telephone number is much simpler than it was two decades ago. Back then, we had to look up telephone number in a phone book or use directory assistance. There was al...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.The problem is no power to injectors (LB7 need 96DC volts). All circuits and harnesses are good. It was driving great, the customer drove home from work and would not start (it cranked great) the next morning. This all started mid Dec 2019. The ECM is commanding the FICM to supply the power to the injectors.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 ...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 ...A. amk. 32 posts · Joined 2013. #4 · May 4, 2014. make sure you flashed the right file theres the first one that comes up and with your truck name and I think you keep scrolling to the next one wathc real carefully the wording. In anycase I got efi live from atp on my lbz recently and its in limp mode for a ecm p0090 having to do with my fuel ...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 ...Bad starter. Load tested batteries, they are fine. Came home and hooked them back up, had 12v at the starter power lead. Had my dad crank the key while I had …Trying to find telephone number is much simpler than it was two decades ago. Back then, we had to look up telephone number in a phone book or use directory assistance. There was al...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 ...The bulk of most no-start conditions on an LB7 have to do with the fuel system, some with the starting system, and occasionally there will be trouble caused by other sensors like the camshaft position sensor, crankshaft position sensor, fuel injection control module, a faulty ECM, and more. Likely if there is an issue with any of those …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 …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.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 ...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.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.Sep 9, 2022 · 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. 16 duramax diesel lml just replaced entire fuel system . Due to failed CP4 which blew metal into fuel system . Replaced rails injectors high pressure pump cleaned out lines and fuel tank. Now will not start only cranks . FRP is 145 psi . Desired is in the 6k psi.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 ...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 ...

DTC P0335 sets if there is no signal from the CKP sensor. DTC P0336 sets if the CKP sensor signal is out of range. If the CMP Sensor signal is lost while the engine is running, the engine will operate normally. If the CMP Sensor signal is not present at start-up, the engine will not start. DTC P0340 will set if there is no signal from the CMP.. Xfinity starz app

Mine doesn't crank or start when there's no shift indicator light. I have to keep turning the key on and off for a few minutes until the indicator light comes on and then it starts up right away. The check engine light is not on. I've replaced the battery power and negative, alternator, starter and fuse box cables.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.787 posts · Joined 2011. #5 · Jul 4, 2013. I experienced the same problem. It turned-out to be a faulty "Water in Fuel" sensor, that was leaking fuel, and allowing air into the line. Present: 2015 K2500HD LTZ Crew Cab Z-71. My Chevy Truck History: 2011 K2500HD LTZ Crew Cab LML.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.Let it sit for 2 hours and got back in it. It started and ran long enough to get it into reverse and then died. Put it back in park and tried to restart and it just spins and spins and won’t fire. Has a full tank of fuel, reprimed the filter and line to make sure it didn’t loose prime. Also inspected all fuses under the hood and they are fine.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.2011 duramax lml won't crank. Hey guys, I have a 2011 chevy 3500 drw with duramax lml that will not crank much less start. History: I recently hit a deer and had to replace all cooling systems in the front of my truck ( radiator, transcooler, intercooler, a/c condenser) along with both airbags and seatbelts. No wires were cut or damaged in the ...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.2015 lml duramax will not start after replacing the CP4, FRP sensor, and the FPRV. install a fuel pump at the filter, - Answered by a verified GM Mechanic ... 08 lmm Duramax crank no start builds rail pressure as it should 5.8kpa while cranking CPS and ckps both put of signal when checking with snap on scanner fresh fuel filter ...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 …Feb 7, 2014 · 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. 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 ...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.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 ...2011 duramax lml won't crank. Hey guys, I have a 2011 chevy 3500 drw with duramax lml that will not crank much less start. History: I recently hit a deer and had to replace all cooling systems in the front of my truck ( radiator, transcooler, intercooler, a/c condenser) along with both airbags and seatbelts. No wires were cut or damaged in the ...Crank no start-leaking fuel. 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.previous: 2021 LM2 CC std box 4x4 ; '18 2500 L5P CCSB 4x4; '11 LML, '10 LMM and 04.5 LLY ... while im there im thinking of having the ecm updated to hopefully help with the crank no start issue.. ive had the crank no start 4 times in the past 5000 miles.. whats your opinion get the update or wait.. is the extended crank really that noticable ...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.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. OkDually. 24260 posts · Joined 2013. #2 · Jan 6, 2023. Welcome. First, check for any trouble codes and post the exact codes here if any are found. Try installing the original FPR back in. Inspect the fuel lines to/from the CP4 and make sure they are not dry rotted/cracked or kinked in any way. Inspect all fuses.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..

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