Chevy and GMC Duramax Diesel Forum banner


  1. codes P0381 & P0650

    07.5-10 LMM Duramax Powertrain
    I have an 08 gm 2500hd with the LMM and it keeps throwing codes p0381 & p0650. I have a Quad Stealth 2, DPF delete and EGR blocker plate. I also have a NavTv video in motion unit istalled for the factory nav screen and a edge insight. When I get the codes the glow plug indicator, oil, tire...