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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. Transmission Shop
    Hi all, First time I have had an issue with this truck. 2009 chevy silverado 2500hd duramax with allison 199k miles at Diesel mechanic every 6k for maintenance. The facts: Driving normal at slow speeds (City road) when check engine came on. Gear selection P,R,N,D disappeared. (Don't...
    2nd gear allison duramax not shifting second gear
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