Lml duramax crank no start

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 ...

Lml duramax crank no start. 05 crank no start. Jump to Latest ... LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ air cleaner, Profab intake, LBZ Turbo Mouthpiece, Kennedy twin lift pumps w/ megafilter, Corsa 304 SS Exhaust, Mike L tranny ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion …

Start the pump and note down the reading of the pressure. Look at the manufacturer's guide to see if the pressure is low or high. In case of low pressure, take effective measures to locate the cause. If the pressure is sufficient, perform a fuel volume test to determine the exact amount of pressure. 4.

JChrist705 Discussion starter. 67 posts · Joined 2008. #6 · Oct 10, 2012. It's got about 57% life left according to the DIC...right now that's the prime suspect. Sent from my Autoguide iPhone app. 2008 LMM Silverado 2500HD LTZ. -Cognito UCA kit and braces. -NorCal Nick "Large" fender mod. -20x9 Ultra Maverick wheels, 5"BS / 0mm offset.2011 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.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.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 ...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 …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.1) (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. Repeat for all eight injectors.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.

No matter what type of vehicle you drive, you will be constantly using mechanisms on the car door. These components can be manual or motorized, and they are used for a certain fun...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.1) (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. Repeat for all eight injectors.Feb 26, 2021 · 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. 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. On ’11-’16 Duramax trucks not equipped with a lift pump, a failing factory sensor will yield you a long crank, no-start scenario due to the fuel system losing prime. Removing The Factory Sensor Installing LinCo’s fuel pressure sensor fooler requires an Allen wrench or socket, a 5/8-inch or 16mm socket and a 5/8-inch wrench (to remove the ... 11-16 LML Duramax Powertrain LML - Suspected Injection Pump Failure. Tags cp3 ... Keyed on the ignition, primed filters, tried to crank again but no start. Next I pulled the passenger side fender liner, cracked the main fuel filter and bled it, cranked again but still no start. At this point I start to think it was the CP4 shitting the bed, and ...

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.No indication on the truck at all. 2011 GMC 2500 HD. First ever diesel and loving it. Air Dog Lift pump. mine actually thru a code 'Po522'. found a GM tsb on it stating 'it can be this or that, but at this time GM has no fix for it'.And mine stayed at 0 psi last night for at least an hour and now is back to 0 psi.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?64 posts · Joined 2012. #1 · Nov 1, 2019. Heading down the highway and heard an engine rattle noise like a sputter dying sound. Pulled over, engine died and will not start. No trouble lights or codes come up on the scanner. Pumped up the fuel filter multi times and tried to start but no luck. 2014 dually, deleted 2 years ago without a problem ...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. …64 posts · Joined 2012. #1 · Nov 1, 2019. Heading down the highway and heard an engine rattle noise like a sputter dying sound. Pulled over, engine died and will not start. No trouble lights or codes come up on the scanner. Pumped up the fuel filter multi times and tried to start but no luck. 2014 dually, deleted 2 years ago without a problem ...

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Chevy / GMC Duramax 07.5-10 LMM Forums. 07.5-10 LMM Duramax Powertrain P0381. Jump to Latest Follow ... The wait to start indicator will not stay ON for long at higher engine temperatures. Circuit/System Testing. Ignition OFF, disconnect the harness connector X2 at the ECM. Ignition ON, verify that the wait to start indicator is OFF. ...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 ...LML won't start. My truck just rolled 62,000 miles on the way home from the boat ramp today. It's been virtually a trouble-free 62,000 miles to-date. :gearjamin. After I got the boat washed-up, I hopped-in the truck to back the boat into the garage. Cranked her just like usual, but might have let-go of the key just a slight-fraction of a second ...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 second ¼ mile territory, to 2000hp sled pullers and all the way back to the average guy looking to boost his performance in his tow rig to get up those hills a ...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.In this video I walk through diagnosing a P0087 trouble code on a 2006 GMC Duramax. Symptoms include hard start/no start, rolling idle, fuel pressure drop wi...

LLY: cranks but no start - Page 4 - Diesel Place : Chevrolet and GMC Diesel Truck Forums Your other 2 codes: P0374 "High Resolution System Performance" - Common to have this code when crank reluctor wheel is extremely loose P0678 "Cylinder #8 Glow Plug Control Circuit" - Replace your #8 glow plug (toward firewall on drivers side)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 ...PIP5806A is for an extended crank or no start concern with a P0341 (CMP sensor dtc) set. This can be caused by a bent trigger wheel. ... 2017 K2500HD High Country L5P & 2013 K2500HD LML sold. Reactions: Frankhpns. Save Share. Like. ChevyTech77. 6840 posts ... 3.0 Duramax cranks but won't start . 2019 3500HD, Cclb, Drw, Deleted and Tuned ...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??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?2015 Chevy 2500HD CCSB LTZ Z71 LML, WCFab S475/Stock with 3" Hot Side Pipe, WCFab CP3 Conversion with Exergy 10mm CP3, Flo-Pro 5" Dual Exhaust, PPEI EFILive Tuning, Airdog II 4G 165, Beans Sump, Edge Insight CTS2, Cognito PISK, 2" Drop Shackles, 305/45/22 Terra Grappler G2s on 22x10 2 Peice Mavericks.Seal the opening around the nozzle at the fuel fill tube. -Splice in a electric/hand crank fuel pump of any kind temporarily. -Or use compressed air regulated to 10 psi and make a fitting on the fuel cap for a perfect seal. Pick up another fuel cap for cheap at your local parts store as a replacement.Codes must be cleared to enable the device control. Ignition OFF. All vehicle systems OFF, wait 2 minutes for the ECM to power down. Disconnect the harness connector at the B47B fuel rail pressure sensor. Test for less than 5 Ω between the Fuel Rail Pressure Sensor Low Reference circuit terminal 1 and ground.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 ...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 helpThis switch is located in the suction side of the fuel system and it may induce a crank no start, hard start, or an extended crank. Note: The Chevrolet Express and GMC Savana vans utilize a Fuel Conditioning Module with an electric priming pump. The filter minder switch will have to be inspected with the electric prime pump running. See more. 1.

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 ...

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.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 ...LML won't start. My truck just rolled 62,000 miles on the way home from the boat ramp today. It's been virtually a trouble-free 62,000 miles to-date. :gearjamin. After I got the boat washed-up, I hopped-in the truck to back the boat into the garage. Cranked her just like usual, but might have let-go of the key just a slight-fraction of a second ...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 ...6.6L Duramax "cranks but doesn't fire" diagnostic flow chart. 2005 Silverado EC/SB, LLY, 4WD, Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ air cleaner, Profab intake, LBZ Turbo Mouthpiece, Kennedy twin lift pumps w/ megafilter, ... I had an 89 GMC 1500 with crank no start. 5V ref voltage was high at 10.5blem was ...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.Also bled the schraeder valve at the front of the motor. The truck cranks and sounds fine but will not start. I am thinking the fuel system is airbound. I have a P0193 code for fuel rail high pressure sensor signal high. I have read that this can be caused by low or no fuel as well. I do not smell fuel or see any black smoke while cranking.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.

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LML cp3 conversion won't start need HELP! Ok so I have a 2012 LML duramax which I bought a year ago. About 6 months ago I tuned it and installed a wc fab y bridge kit and the truck ran flawlessly. I decided I was going to to a cp3 conversion because of the known cp4 issues. The install went pretty well I feel and I also installed a FASS 165 ...LML crank No Start After Rebuild. 2016 LML duramax, cp3 swapped (before rebuild all tuning is for cp3 swap), fass 165, installed Mahle performance pistons and rings, I’ve bled all the air you can possibly think. Maybe there’s more left. I’m between 430-450psi in all cylinders as well, did a manual compression test after completing the ...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. …Oct 7, 2012 · LML won't start. My truck just rolled 62,000 miles on the way home from the boat ramp today. It's been virtually a trouble-free 62,000 miles to-date. :gearjamin. After I got the boat washed-up, I hopped-in the truck to back the boat into the garage. Cranked her just like usual, but might have let-go of the key just a slight-fraction of a second ... 30 posts · Joined 2019. #1 · Jan 13, 2020. 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.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.#PIP4850: Duramax Diesel Crank No Start, Hard Start, or Extended Crank - (Nov 12, 2010) 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 ...4. Location. Houston, Texas. Mar 5, 2010. #1. Tried to crank the truck today and the the glow plug light never came on. It turns over but won't start. It's been starting fine the past few days, but the glow plug light would only come on for a few seconds. I checked the fuse and it's not popped, but there is no power coming to it when I checked ...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 ... ….

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 ...Bentonville, Arkansas. Feb 28, 2009. #1. New motor is in. It cranks over and only trys to fire a time or two after cranking over for a few seconds but it never starts. Rail pressure goes up to around 7000psi while cranking but injectors don't ever seem to fire. Each time I get DTC code p0336 (Crankshaft Position Sensor A) - status MH.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.That was my 1st thought as well, but he said after it sits awhile it is hard to start. Normally injectors with high returns come into play when, say you shut truck off to refuel. The fuel is warm and flows easier and it wont restart. If you let truck sit a couple hour's and fuel cools down it fires right up.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.Pinching the return line isn't always enough. The injectors need a good bit of pressure to fire. If you apply a little bit of air pressure to the return line, and crank it, that will be your best chance of getting it to fire up quicker. Don't go crazy with the air though, 60-80 psi is about what I'd try to start off.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 ...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 ...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 ...HELP! LMM Turn key won't crank!! 2007.5 LMM EFI Live DSP5 raptor pump exhaust. I drove the truck a week and half ago with no issues. Go out today it's 30 degrees turn key on wait for glow plug light then try to start. It doesn't click, crank, turn over or anything! I just filled the truck up with fuel and I notice the fuel level is on E and the ... Lml duramax crank no start, Replaced the fuel filter, filled with fuel and no air bubbles this time when priming. Took about 3-4 seconds of cranking for it to start. Runs like a champ now. It appears I did not lube the o-rings on my previous fuel filter when installing it. I am assuming a week of it sitting allowed the pressure in the system to drop enough that the filter ..., 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 ..., 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., 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., Nov 16, 2016 · 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. , Leaving for vacation in 2 days. I just replaced the fpr on my 2013 duramax LML with a kyntex upgraded regulator (better screen). Install went smooth. Went to start the truck up and crank no start. I then bled the air out at the filter housing. No start. Then bled the Schrader valve. Some air came out. Still no luck. No visible or audible air leaks., 687 posts · Joined 2016. #2 · Oct 5, 2018. After it has been run (warmed up), push the primer button until its firm, then see if it starts right up without excessive cranking. If it does start right up, its loosing prime. However, if it starts fine when cold, then prime would not be an issue. 2003 2500HD 6.6 duramax (LB7) all stock (no mods ..., duramax LML air leak on the fuel system.. will cause crank no start.. long cranks.. cold and hot no starts. So hopefully this will help you guys out.., 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., No matter what type of vehicle you drive, you will be constantly using mechanisms on the car door. These components can be manual or motorized, and they are used for a certain fun..., Connect a test lamp between the control circuit terminal 86 and the ground circuit terminal 85. Turn the ignition to the start position. The test lamp should turn ON when the ignition is in the START position, and OFF in all other positions. ¤ If the test lamp is always on, test the control circuit for short to voltage., 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., 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 duramax won't start after turbo & injector replacement. So i just installed a drop in stealth turbo from duramaxtuner and had my injectors re-nozzled to 100% over. Let me start off by giving some background, the truck is fully deleted with dual sportsman cp3's and a fass 150 on the fuel side. The factory fuel filter housing has been ..., I had to replace the reluctor ring on the front of a Duramax diesel engine with only 37,000 miles on the clock. This job started out as a sensor problem and ..., 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., 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., Jul 21, 2022 · Jul 21, 2022. #1. I had a customer bring in a 2008 LMM a couple of weeks ago that wouldn't run. The story I got was he slung a belt that ripped the cam sensor wires. He took it to a local shop that found and repaired the wires. The truck ran for a day, but after that died and hasn't run since. When the truck got to me, I verified the wires were ... , LmL crank but 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 ..., This hard start condition may be caused by a leaking Filter Minder Vacuum Switch or the switch fitting. Recommendation/Instructions: Complete the current …, When cranking, the FICM has full control of the fuel injectors. The only input the FICM uses at this time is the engine speed signal from the ECM. The FICM monitors the signal along with the injection request signals from the ECM after the engine is running. If there is a problem with this signal, a DTC could set., 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 …, Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain P0335 code, No Start ... and I found out that with the Edge unhooked there is No Start! Even before EFI was flashed into my truck. ... DTC P0335 means the ECM is not recognizing the crank signal. The voltage should be enough to get the sensor to kick out a signal., 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., 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., 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 ..., The fuel pressure regulator 2 outlet volume test must be performed while the no start condition is present or incorrect diagnosis may occur. Engine cranking for 15 seconds. Observe the volume of fuel from fuel pressure regulator 2. The volume of fuel should be less than 10 ml (0.4 oz)., 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 ..., 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., About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., 113. Junkyard. Sep 12, 2018. #4. The relearn syncs the proper timing sequence. Any time you change a cam or crank sensor, and ECU, or in this case the crankshaft, You should perform a relearn. The generic data Is good enough for it to run but sometimes there are variances that could be outside the expected range. This is when you would get a code., Service Bulletin Bulletin No.: 16-NA-102 Date: August, 2019 TECHNICAL Subject: Duramax Diesel Hard Start, No Start, DTCs P0087, P0088, P0191, P128E or Injection Pump Replacement Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Chevrolet Express 2010 2016 Diesel (RPOs LML or LGH) Silverado 2500/3500 GMC Savana Sierra 2500/3500, 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 help