Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner

02tb

  1. 02 T.B. Cyl 1 misfire

    OEM Issues
    Thanks to all for the wealth of info in the forums.Problem: I have a cyl 1 misfire on 02 T.B.Pulled coil off and checked it to ground with screwdriver while running as i should,no spark.Bad coil,right?:undecided Problem is it is intermittant. Put it all back together and after driving to get my...
Top