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GMC throttle stuck problem

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    • #744333
      21AT4
      Participant

      I own 2 gmc’s 2018 1500 with 5.3 and 2021 canyon with the 3.6 and both trucks have the same problem,
      In 4 low locked in 1st gear the throttle will stick one truck at 1700 rpm and the other 2200 rpm!
      It isn’t possible to be that unlikely to have the only two trucks with this problem. So I went to the dealership and drove two like vehicles and their throttle stuck as well.

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