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Thread: throttle wont go past 83%

  1. #1
    Potential Tuner
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    May 2012
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    throttle wont go past 83%

    i have a 2007 silverado with the L76 6.0 and i cant get the throttle past 83% anyone know how to fix problem below is my most recent tune file
    vmax second tune.hpt

  2. #2
    Tuner TexasGMC08's Avatar
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    Fort Worth
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  3. #3
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