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  1. #1
    Junior Member One Ring
    Join Date
    Dec 31 2023
    AZ Member #
    976728
    Location
    Minnesota

    Unhappy EPC, Throttle Body, Misfire?

    Did a 3rd-4th hard pull on ko4, pull was fine, no bad feeling during but when I got off the highway, EPC light was on solid, and car was misfiring randomly, went into limp and wouldnt go past 2k rpm, no boost. Scanned and found P1558 - Throttle Valve Drive, P1545 - Throttle Valve control system, and random/multi cyl misfire. Was thinking issue with tb, so going to clean and reinstall but any ideas that could help would be great.
    Last edited by GrannyShifter00; 12-08-2024 at 07:34 PM.

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