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!

p0202

  1. General Discussion
    LLY started knocking very bad and went into limp mode. The truck is not blowing any smoke. I scanned the truck and got P0202, P0203, P0205, P0208, P2149. I attempted to wiggle injector harness 2 and 7 with no change in how it was running. Any input on what it could be? Should I start by...
  2. 04.5-05 LLY Duramax Powertrain
    Just had Banks economind chip installed and headed out on a road trip. 3hrs into it I loss power and truck (though still running) began to run rough and loud. The DTC codes were P0202 / 2149. Shop guys took a look at the chip installation (even called the mech who installed it) and decided it...
  3. 01-04.5 LB7 Duramax Powertrain
    my check engine light came on and it started running like crap, so I pulled over and dtc 0202 came up on my scanner. So what does this mean?
Top