diagnosis

  1. B

    ‘07 tahoe misfire & More!

    Needing Help! I have a 2007 Chevy Tahoe LT 5.3L V8 Ive owned it for 2 years after about a month of owning had a Cyl. 7 missfire, new plugs / wires, no fix, went down the entire rabbit hole and found a stuck valve, now i sit here today, absolutely stuck, still having a missfire (cyl 1 & 6), EVAP...
  2. P

    2012 Yukon Denali 6L80 Issues/Advice

    Good Morning Gurus! I'm new to the board but have been using it as a resource (Great One at that). Quick Facts: -2012 GMC Yukon Denali 152,000K miles -Bought Brand New - 0 problems to date ISSSUE: I was running fine last week, felt something a LITTLE sketchy when shifting out of first (at a...

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