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  1. The 02-09 "How-To" and DIY Section
    so im working on an 03 tb with the 4.2, and this thing has got me stumped. very rough idle, stalls, no power, will not accelerate at all. pulled codes, got p1345 along with a random and a cyl3 misfire. changed plugs, pulled out acdelcos, unknown if they were original or not, but #3 was...
  2. OEM Issues
    I know this code a problem is all too common, so sorry for posting another thread but I feel like i've tried everything that I can do, or know how to do to resolve this problem with no luck. I've seen alot of old threads when I googled this problem, but didn't see any real SOLVED, or solutions...
  3. OEM Issues
    Hi, my name is David and this is my first post on the forums. I wish it wasn't because of this problem. I know there is a wealth of experienced owners here so I hope you can help me figure out my issue. A little background. I own a 2003 GMC Envoy XL with the 4.2L 6 cylinder at about 148,000...
1-3 of 3 Results