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#help 2500hd allison allison 1000 bad injectors banks biodiesel brakes chevrolet silverado 2500 chevy cognito coolant coolant leak cp3 cp4 crank but no start def deleted denali diesel diesel fuel 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 engine smokes 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 leak leaking led pods lift limp mode lly lly duramax lly durmax lml lml duramax lmm lmm duramax no start noise oil oil pressure p0087 p0700 powertrain ppe programmer reduced power rims smoke steering suspension tcm tires tow towing trans transfer case transmision transmission transmission problems tune tuner tuning turbo wheels white smoke will not start wiring
  1. Drivetrain
    I’m having a weird issue I can’t seem to nail down. Hopefully someone on here can help. Apologies in advance for the long post. For the last 6 months, occasionally while starting the truck it will come up to idle RPM and rail pressure (5000-6500psi) for a few seconds and then actual rail...
    fuel pressure regulator fuel rail signals voltage
  2. General Discussion
    My airdog 1 150 went out a couple of months ago, wondering if it is bad on the cp3 to be run without lift? dont want to drain the rail and wear the pump or anything. run stock program dont have a tune
    airdog cp3 fuel rail lift pump zf6 speed
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