Chevy and GMC Duramax Diesel Forum banner
  • Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge!
1-1 of 1 Results
  1. 01-04.5 LB7 Duramax Powertrain
    Figured I'd try posting on here before taking the truck in for diagnostics I have 2002 gmc sierra 2500hd stock duramax. Ever since I got the truck it's been lacking power. I have more power while towing with my 1500 silverado than I do with this truck right now. No check engine lights...
1-1 of 1 Results