bat Posted January 16, 2022 Report Share Posted January 16, 2022 eng shakes code reads po203 so changed all spark plugs coil pack on #3 still shakes real bad their is power getting to num 3 but ground wire causes my test light to flicker ground on other cyls do nothing ,,thats it,,what next Quote Link to comment Share on other sites More sharing options...
2late4u Posted January 16, 2022 Report Share Posted January 16, 2022 P0203 Cylinder 3 Injector Circuit Malfunction - OBD-Codes.com https://www.obd-codes.com › ... Quote Link to comment Share on other sites More sharing options...
bat Posted January 16, 2022 Author Report Share Posted January 16, 2022 got it thanks will work on that up date coming later Quote Link to comment Share on other sites More sharing options...
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