GM Truck Club Forum banner

Discussions Showcase Albums Media Media Comments Tags Marketplace

1-2 of 2 Results
  1. Member Introductions
    I have the following truck, built in Oshawa where my dad worked at GM (now Retired). (Photo attached). It’s in amazing condition, one owner and near to no rust! Make: GMC Model: Sierra 1500 Year: 2003 Market Segment: Luxury Body Type: Pickup Cab Type: Extended Cab Doors: 4 Seats: 6 Drive Type...
  2. Chevy Silverado Forum (GMC Sierra)
    I have a 2003 5.3l sierra 1500, i have changed the TPS and the master flow sensor... But one day for no reason, reduced engine power come up when defrost is on but when i turn the defrost off the reduced power mode disapear... I don't know what to do with that thanks for your help
1-2 of 2 Results