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Thread: 1998 K1500 Fuel trim issues

  1. #1
    Potential Tuner
    Join Date
    Jan 2022
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    4

    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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