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!

emmisions

  1. 911 Problems Forum
    So I returned my deleted truck to stock and it’s now popping these Two codes. It has 140k on it. There is definitely DEF being injected after the cat I can smell it - there isn’t a diesel exhaust smell. I need to fix this in order to get an inspection sticker. The truck is also driving sluggish...
Top