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#help allison allison 1000 bad injectors banks battery biodiesel brakes check engine light chevy codes coolant coolant leak cp3 cp4 crank but no start crank no start def deleted denali diesel diesel fuel diode dynamics dpf dpf delete drivetrain dtc error codes dually duramax duramax 2500hd duramax 6.6 ecm edge efi efi live egr egr delete electrical electrical problems engine exhaust for sale fuel fuel additives discussion fuel filter fuel mileage fuel system problems gmc head gasket help injector injectors intake knock knocking l5p lb7 lbz lbz duramax leak leaking led pods lift lift pump limp mode lly lly duramax lly durmax lml lml duramax lmm lmm duramax no start noise oil p0087 p0700 ppe reduced power rims silverado smoke steering suspension swap tcm tires towing transfer case transmision transmission transmission problems tune tuner tuning turbo wheels white smoke will not start wiring
  1. 01-04.5 LB7 Duramax Powertrain
    Hello everyone. I know this has been discussed many times, but I can't find my specific issue. Truck is a 03 LB7 with 260k on it. I do the fuel filter religiously every oil change because of these pesky injectors. I have also had to replace the passenger side bank of injectors in the last 10k...
    crank but no start injector lb7 prime smoke at idle
  2. 04.5-05 LLY Duramax Powertrain
    I have a 2005 Kodiak C5500 with a Duramax (LLY). Drove it about 200 yards and it died. I could get it to restart if I continuously pumped the primer on top of the stock fuel filter. Got it home and made the following "fixes". New Fuel Filter. I have two DuraMax trucks so I have a lot of...
    fuel fuel pump lift pump prime won't prime
  3. 04.5-05 LLY Duramax Powertrain
    I’ll start this off by saying I haven’t heard this truck run yet. LLY. Doesn’t prime. I believe there’s air drawing into the fuel system. Previous owner replaced fuel tank, sending unit, fuel lines up until where they turn up at the fire wall under the cab, filter housing and has a cat filter...
    crank but no start fuel leak lly prime
  4. 04.5-05 LLY Duramax Powertrain
    I've been losing prime below a quarter of a tank. So I rebuilt the filter head and it was all fine. I also installed a lift pump and put in a new fuel filter. The problem continues to happen, but only below a quarter of a tank. I can get it to run if i reprime the system and the low fuel light...
    fprv lift pump p1093 prime
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