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park ave ultra

  1. 01 Park Ave Ultra Misfire

    DTC's, Problems & Troubleshooting
    EDIT: Solved the problem. Got a bad spark plug. Put old plug back in that cylinder, car runs great ! Someone told me to do that on a diff. forum and I find it so UNBELIEVABLE that a spark plug (new) could be bad.. BUT... I did it for giggles and because it wouldn't cost me anything.. AND...