Lml duramax crank no start

DMAXfirefighter. 5247 posts · Joined 2009. #9 · Oct 1, 2021. Put a pry bar in behind the balancer and see if it wiggle or moves around. I just got done with an engine for a guy that he broke the crank on- would start and idle fine, had throttle until about 2200rpm and then would start cutting out and running erratic.

I have a 2011 LML, the crankshaft broke and I had a reman shortblock installed. The truck is compound turboed, cp3 conversion, fass lift pump etc...as the title says, it will crank but will not start. The following trouble codes won't go away. P2295 Fuel Pressure Regulator 2 Ctrl Circ Low and P0193 Fuel Rail Pressure Sens Volt Too High.205 posts · Joined 2012. #4 · Feb 25, 2014. Ive had the tuning for maybe about a month. Today when I started the truck, all the service traction control and other things were gone, the check engine light was still on, throwing a U0101 code and now also a P0880 code. There is now a line under the gear selector and I am also able to drive it now.Duramax Fifth Generation: 2011-2016 (LML) 2012 LGH Crank no start. Tags hard start. Jump to Latest Follow 8K ... I installed a fass lift pump to resolve a crank no start but it seems I have not isolated the issue. The engine cranks strong and fuel pressure builds in the high pressure rails.The key came on, things seemed normal, DRLs on etc, cranked fine, no security light, but it just wouldn't start. The only real telltale difference was the fuel gauge would remain on empty. The solution was to backfeed power into what GM called circuit 242 under the dash. It is a primary-ish power wire feeding the ignition from the underhood ...M. MIkey52. 2476 posts · Joined 2018. #2 · May 5, 2021. Your either bypassing to much fuel back to tank, or injector pump is bad. Start with fuel rail pressure regulator check. Or you could still have some air in the system. You should be 5-6000 psi while cranking.

LML Stalled and will not crank back up. Hey guys I need help! I have a 2012 GMC Sierra Denali 2500 HD with EGR Delete, DEF delete, 4 in straight pipe, GDP EFI live tunes, FASS 95 gph lift pump with cat fuel filters, s&b intake, and the OEM fuel filter housing has been deleted. I was sitting at the gas station Saturday and waiting for the normal ...M. MIkey52. 2476 posts · Joined 2018. #2 · May 5, 2021. Your either bypassing to much fuel back to tank, or injector pump is bad. Start with fuel rail pressure regulator check. Or you could still have some air in the system. You should be 5-6000 psi while cranking.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 …Hooked up bluetooth scanner and read codes P128E & P0088 (high fuel rail pressure) reset the codes and took it for a ride. Seemed fine, but when I stood on the gas it wouldn't go over about 2900 RPM then check engine light with reduced power mode, and change fuel filter message. Swapped out the filter and took it for a ride with scantool hooked ...Crank no start2011 lml duramax. fuel rail pressure at crank no start2011 lml duramax. fuel rail pressure at startup will barly reach 1500 psi but when started it runs just under 5000psi at idle and up to 26000 running down the road.

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 ...Aug 9, 2016. #6. here is a list of the current codes in the truck, ECM U0101 lost communication with transmission. TCM will not communicate. BCM B1440 power mode master input circuits. U1000 loss of serial communication for. cluster U1000 loss of serial communication for. HVAC B3770 airflow control 6 feedback circuit.Mar 19, 2015 · 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. 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 ...Sewing Machine Components - Sewing machine parts are a mass of gears, cams, cranks and belts, all driven by a single electric motor. Learn about sewing machine parts like the feed ...

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Question: Will not having my radiator, core support, intercooler hooked up allow for the truck to crank but no start? All ground wires are hooked up, the two on the bottom front side of the block, and the one on the back driver side head. Any suggestions? Thanks.#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 …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.143 posts · Joined 2022. #4 · Mar 9, 2022. I had the tcm go out on my lml. Flashing service stabilitrack and traction control on the display. Was followed with a P0700 code. Loss of power, stuck in gear, hard shifts especially going Into reverse. I believe a bad tcm can also cause a no crank aswell but not 100% sure on this.

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. Jul 8, 2017 ... Come along with Eric O. at the SMA shop as we have a look at this 2004 Chevy 3500HD with the Duramax Diesel that is a no start, no crank.lmm wont start. my truck has been at the dealership for three weeks and they still cant get it to start. I am starting to question the competncy of this dealership. first they said the fuel filter housing was cracked- replaced and still no start. then they said fuel pressure regulator-replaced they claim good fuel pressure but still no start ...The Insider Trading Activity of Prado Becerra Jose Luis on Markets Insider. Indices Commodities Currencies Stocks2011 lml duramax, crank no start. no codes. after cranking for a few seconds fuel rail pressure on the scanner shows - Answered by a verified GMC Mechanic ... How are Chris I have a 2015 duramax 2500 with a 6.6 LML and it cranks but no start and it's showing no fuel pressure the truck was brought to the shop because it lost power and turned off ...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.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.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 ...Both brake lights dont work when the pedal was pushed. Service trailer brake system, stabilitrak, and parking assist messages come up. The truck ran fine last week after I changed out the tensioner. There was no problem. I had changed out the idlers and belt a month before with no problems after. So far I've checked the batteries with a 100 amp ...LML won't start hot - starts cold ... 6.6 Duramax+Allison 6sp auto. LTZ with ebony seats B+W G-N with 5th wheel 4-Star 3 Horse slant. ... 25 miles to job.Two and a half hours later,I leave.Truck fires up as usual.Start backing up and the engine shuts off.Cranks strong,just will not start.Had it towed to dealer today.Will keep you guys posted.11-16 LML Duramax Powertrain P2510 Starter click, no start ... Hey all, just went to go start my truck not too long after driving it and all I got was a starter click, no crank, along with P2510 and an intermittent "Service Theft Deterrent System" message on the DIC. I tried the spare key and no luck.I leave off the air cleaner and the 'cold air' pipe and the cold side pipe to the intercooler. jump in the truck, crank and crank and crank and crank and no start. assuming that there is not enough fuel to the cp3 I removed the fuel filter bypass and reinstall the filter. crack the bleeder, pump the pump thing till fuel comes out, close the ...

Crank no start but will…. 2015 Chevy 2500 with 6.6 duramax. Crank no start but will start on ether and run fine. Hand pump will build pressure but it bleeds off pretty quick. Ran a hose from external tank directly to injection pump and still wouldn't build enough pressure to start. The injection pump has been replaced.

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 ...Feb 23, 2020 · 1 post · Joined 2020. #1 · Feb 23, 2020. I have a 2012 Chevrolet Silverado LML 6.6 3500hd. Recently had to do a motor swap due to a broken crank shaft. I Swapped the motor now I’m having a No Crank / No start Issue. Thought maybe bad wiring harness so I swapped harnesses, Wasn’t the issue, Doing that same thing. The starter does work! 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 …In 10 minutes exactly the SECURITY (lock) light will turn off. Try to start (it won't) Leave ignition on. In 10 minutes, the light will go out, and it will start up, and will "marry" the ECM to the BCM permanently. This will even work with locked "pre-programmed" ECM's so you can test them on other trucks.2015 Chevy 2500HD LML Duramax. Save Share. Like. ... 936-lml-no-cranking-anti-theft-mode-what.html . 1996 K3500 6.5L,( "F" Eng #141 cast block) NV4500, crewcab, ... 1.have somebody try to start it 2.while their trying to crank it over,hit the starter with a hammer . 2013 2500 ltz 4x4 d/a,, fully loaded ,white crew cab ...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 initially ...11-16 LML Duramax Powertrain 2011 LML wont start after being warm? Jump to ... The truck runs fine a stock setting but will not start after running you have to let it sit for about an hour before it will. 2015 GMC Denali LML, 7.5" RCX, 22x12 AF, SDP 475 over stock, CP3 conversion 5" Exhaust, Fass 150. ...Loosen the bleeder screw- next to the primer pump on the filter housing, pump the primer until fuel comes out, tighten the screw [careful it is plastic] continue pumping the primer until firm. Crank the truck a few revolutions and pump the primer. If low on fuel-- add 5 gallons- just to be sure.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.

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11-16 LML Duramax Powertrain 2011 LML wont start after being warm? Jump to ... The truck runs fine a stock setting but will not start after running you have to let it sit for about an hour before it will. 2015 GMC Denali LML, 7.5" RCX, 22x12 AF, SDP 475 over stock, CP3 conversion 5" Exhaust, Fass 150. ...Apr 27, 2017. #1. To make a short story long. We bought a 2014 duramax with blown motor, with egr def delete. We bought a motor I was told it was a lml. Ended up being a lgh, out of a cab chassis 2013, everything matched up other then one egr plug. But being as egr is deleted it shouldn't be a huge deal, the truck cranks but won't fire up.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. Mechanic's Assistant: ... I've got a 2016 Duramax 6.6 LML. It's a crank, but no start. I try priming the fuel on the filter head, but it loses pressure after a few ...Ecm isn't sending fuel signal or anything the the bcm got out the test light and power probe and got power everywhere to the ecm except the 12v turn on signal from the bcm had a buddy come and try to read the canbus system and it wouldn't connect to it eventually after disconnecting the batteries for about a day it was able to start up but ...Loosen the bleeder screw- next to the primer pump on the filter housing, pump the primer until fuel comes out, tighten the screw [careful it is plastic] continue pumping the primer until firm. Crank the truck a few revolutions and pump the primer. If low on fuel-- add 5 gallons- just to be sure.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).There are people who cruise a little and people who cruise a lot. And then there’s Ilene Weiner. There are people who cruise a little and people who cruise a lot. And then there’s ...2012 LML no crank, can't Jump ... Needing a jump start after adding new batteries is not good. Check the battery negative cable connections at the front sides of the block. ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting ...Oct 7, 2018 · 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. ….

2006 silverado 3500 rwd,4x4,cclb,lbz. BD exhaust manifolds,ARP head studs,..diamond eye downpipe,mbrp 4'' out the back,Isspro boost&pyro gages w/piller,Air dog2 df165, B&W fifth wheel,in bed 75 gal fuel tank with transfer pump, truck defender bumper, last but not least.A ton of LED's inside and out.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. ...Apr 27, 2017. #1. To make a short story long. We bought a 2014 duramax with blown motor, with egr def delete. We bought a motor I was told it was a lml. Ended up being a lgh, out of a cab chassis 2013, everything matched up other then one egr plug. But being as egr is deleted it shouldn't be a huge deal, the truck cranks but won't fire up.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.2016 CCLB Dually LML SOLD: 2007 CCSB LBZ. :cool 69 Camaro S/ST-S/Gas :gearjamin ... I really hope that the starter solenoid is the cause of my intermittant "crank-no start" condition. 2004.5 - LLY Silverado 2500HD 4x4 CrewCab Suncoast ... A forum community dedicated to Chevy and GMC Duramax diesel owners and …143 posts · Joined 2022. #4 · Mar 9, 2022. I had the tcm go out on my lml. Flashing service stabilitrack and traction control on the display. Was followed with a P0700 code. Loss of power, stuck in gear, hard shifts especially going Into reverse. I believe a bad tcm can also cause a no crank aswell but not 100% sure on this.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 ...I have a 2011 LML, the crankshaft broke and I had a reman shortblock installed. The truck is compound turboed, cp3 conversion, fass lift pump etc...as the title says, it will crank but will not start. The following trouble codes won't go away. P2295 Fuel Pressure Regulator 2 Ctrl Circ Low and P0193 Fuel Rail Pressure Sens Volt Too High.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 ... Lml duramax crank no start, 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., 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 …, I don’t care how many Hitman games IO Interactive cranks out, I’ll play every single one of them, even though all of them involve doing the exact same thing: poring over sprawling ..., 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., Can you turn the engine buy hand? Just to be sure it's not locked up. I have a 2015.5 Chevy 3500 single rear wheels. Emissions compliant., Hello everyone, I'm new to the discussion board. I have a 2012 Chevy duramax and I've been facing some issues with no crank, no start. The ecm was flashed, tunes were put back on the truck, I got it to fire up but as I'm driving down the road my gauges on the instrument panel all drop to zero, radio shuts off, ac controls shut off, service 4wd, service airbag, service tpms, anti theft ..., 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 ..., 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 Liter Gas., Jan 30, 2022 · Ran across a no start issue w this 2016 LML duramax following a cp3 conversion. Figured someone could benefit from seeing what causes this condition and how ... , 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., 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., 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 initially ..., 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., My truck did not want to start buzzing sound before cranking. My 2008 LMM GMC Duramax has 106k on it and it did not want to start like it had no fuel in it even though it had half a tank, after several attempts. I opened the hood and pumped the primer above the fuel filter it felt a little spongy and gave it a long crank and it fired right up I ..., 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 …, Hey guys, just changed my fuel filter Saturday and it ran fine up until yesterday morning. Snugged the filter and primed. It felt like I over tightened and stripped the plastic priming screw. Replaced it tonight, primed and bled it 6 times until no more air. Any ideas or suggestions before pulling the wheel well and filter again?, If rail pressure matches desired, diagnose other codes that may be related to starting problems. Unplug the fuel pressure regulator 2 (pressure control valve in left hand rail) electrical connector. Crank the engine for 15 seconds and verify there is a steady flow of fuel from the fitting on the rail., 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)., 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 ..., 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., #1 · Dec 27, 2021. I have a 2011 LML ran perfect yesterday. Did not start today until i came home from work. Used my remote start and started fine then shut off and will not start …, 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., Chevy / GMC Duramax 04.5-05 LLY Forum. 04.5-05 LLY Duramax Powertrain The infamous U0101 Code. Jump to Latest ... A few hours later go back, I have (ABS, Break & Security light) poppin up. No Crank - No Start. Tried the wire from the TCM to the neg. terminal. nothing. I believe it's fried. nothing unplugged up loose really. I need to get it fix ..., Piper One. 3737 posts · Joined 2021. #3 · Feb 5, 2022. P0088 is rail pressure high, the rest of your problems sound like starvation, which usually throws P0087. I played around with a high (ish) pressure lift pump on my LMM and it threw 0088's within minutes of turning on the pump., 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 …, 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 ..., Great, i would suggest measuring the low fuel pressure to the fuel filter input and output to the high pressure pump. And then we will start from there. If there is no lift pump or pump at all in the tank there should be a vacuum at the input of the fuel filter. Yes, but the system was made to work with an electric supply pump., 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., Check your filter. If there is air in it and you can't prime it with the pump on the housing, you can either rebuild or replace the housing. Loosen the bleeder valve, pump the pump. It's easier if you pull off some of the intake tubing. If you don't ever start pumping fuel the pump/housing is probably sucking air., 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 ..., CP4 High Pressure Fuel Pump Failure. CLICK HERE to purchase our LML CP4 High Pressure Fuel Pump Failure Kit. The 2011-2016 Duramax suffers from a high pressure fuel pump issue unique to this year range. Failure of this CP4 pump is usually catastrophic, causing instant contamination of the entire fuel system with metal particulates., I leave off the air cleaner and the 'cold air' pipe and the cold side pipe to the intercooler. jump in the truck, crank and crank and crank and crank and no start. assuming that there is not enough fuel to the cp3 I removed the fuel filter bypass and reinstall the filter. crack the bleeder, pump the pump thing till fuel comes out, close the ..., Went to start truck and got a P0341 code and no start. We started to diag the code and have found no issues. ... Dorman FSD w/#9 Resistor, Duramax 9 Blade Fan, 97-99 Fan Clutch, Duramax Wheels, Flowmaster 3" down pipe and 2.5" cross-over and in-house 3" mandrel-bent straight pipe. 240K Miles ... With either the cam or crank sensor disconnected ...