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Thread: 1998 K1500 Fuel trim issues

  1. #1
    Potential Tuner
    Join Date
    Jan 2022

    1998 K1500 Fuel trim issues

    Can someone point me in the right direction. sometimes the fuel trims are pulling out fuel then sometimes it is adding a lot of fuel. Any help would be apprietated. it is a 1998 K1500 5.7L with a 4L60E. it is all stock.
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