Search Results for ‘lb7 no start’

Having trouble identifying the cause of a no start with low fuel rail pressure. 2002 Silverado 2500HD with LB7. Rebuilt engine ~12,000 miles ago. Truck has ~276,000 miles and a Kennedy lift pump. No fuel leaks. Truck had been starting easily, running fine, no issues. On my way to work I noticed...

I tried priming with the screw and it didn't help need this truck for work anyway I can get it back soon?

I’m lost here, 04 lb7 replaced 2 and 4 due to black smoke and both ranging from 6.2-7.0 in the balance rates. Everything went as smoothly as you could expect with this job. Put everything back together went to prime pumped and pumped. My hand and shoulder are literally sore from pumping for hour...

First post here. I've had my 03 LB7 for the last 3 years with little to no problems. It's sitting at 267xxx miles now, so its had the injectors done a few times, most recently a year ago. About 3 months ago it randomly wouldn't start. No crank, no start. All electrical was functional when in...

I’m hoping somebody can help me here as I am a bit stuck, I’ve only ever owned cummins and this is my first duramax and I am stumped. I have an 01 with 220,xxx. I put new injectors in and they have around 20k on them. A couple months back I drove the truck to work, shut it off, and it wouldn’t...

Lb7 2004 no start no crank after driving it if it sits for a hour it’ll fire up no problem battery’s are good when it enters the state of no start I can jump the starter or the relay and turn it over but will not start until sitting for a hour and whenever I get it started I can turn the truck...

I got a 2003 lb7 duramax with 320000 on it, I’m having a weird problem with it. When it sits say a day or two it fires up without a problem but when I shut it off after even 20 seconds of it running it will only crank and not start. When it sits the desired fuel rail pressure and actual fuel...

I have a hard problem to tack down here. My 2002 Silvy 3500 had a battery die on me and pulled the other one down with it. I replaced both batteries , then it would turn over, but wouldn't start. I found a 40 amp fuse had blown and replaced that. Thought I nailed it. Now still will not start...

Hi there, i have a 2003 Chevy Silverado 2500 Duramax Automatic 2WD with 155K miles. After the truck lost fuel once we got it to start after pumping on the primer pump. From there on... it looses prime overnight. I have to prime it till the primer pump gets hard and then it finally starts...

Hi guy's.I am new to the duramax,but not chevs,or diesels,had many.I bought a crashed 02 3500 4x4 dually.4dr,69m ali trans,all stock,Hit rt ft not too hard,srs bags did go boom,but frame and suspenion were not damaged,damage was rt ft bumper,hood,fender,headlight,grill,batt brakets,radiator core...