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  1. 911 Problems Forum
    Just brought this truck to the shop on a wrecker. It's a 2007.5 LMM 6.6 in a Kodiak C4500 Cab/Chassis (Bus). While buying it someone rolled under it and cut off the CAT! According to the guy I bought it from it was running with no engine lights, Now it is throwing (3) codes. Even after flashing...
  2. 911 Problems Forum
    Sorry in advance for the long post but any opinions/help would be greatly appreciated). I recently picked up a 2006 GMC Sierra 2500HD with an LBZ engine. Truck is 100% stock besides a 4” MBRP exhaust in its current state. Bought the truck needing a fuel pressure regulator because the truck was...
  3. General Discussion
    (Sorry in advance for the long post but any opinions/help would be greatly appreciated). I recently picked up a 2006 GMC Sierra 2500HD with an LBZ engine. Truck is 100% stock besides a 4” MBRP exhaust in its current state. Bought the truck needing a fuel pressure regulator because the truck was...
  4. 01-04.5 LB7 Duramax Powertrain
    What is the repair for these two codes? P0088 and P0089. 2003 Chevrolet 2500HD, stock, 265,000 miles.
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