engine misfire

  1. PBandJs_PPV

    PULLING MY HAIR OVER A P0301 code!!

    I've asked this in the standard Tahoe thread but thought better of it and decided to ask fellow PPV owners for some much needed advice. I have a pretty new to me 2014 PPV that has run well until this last weekend. I was simply idling while my wife found a location on her Waze app. Upon...
  2. Z

    P0300 code on 2004 GMC Yukon XL Denali - 119,000 miles

    2004 GMC Yukon XL Denali - 119,000 miles Have had a P0300 code for a while now. Changed everything from spark plugs to lifters, cleaned as much dirt and carbon off the engine, but I still get the same code. After driving for a while, there is a noticeable shake / vibration at idle. Also, all of...

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