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Walter Gill

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  • Name
    Walter
  • Location
    Indiana
  • Drives
    2019 GMC AT4 6.2

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  1. F I could upload a video I could show you the surge on the tach
  2. I am having the same issue. The dealer keeps telling me it is operating as designed it clearly isn’t. Hesitation, hard shift, surge forward, sometimes almost dies at idle and sounds like it misses in the exhaust on occasional start up.
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