Pontiac Sunfire P Codes (Powertrain) P0100 - P0199 P0121

Browse Pontiac Sunfire P Codes (Powertrain) P0100 - P0199 P0121 questions and answers. Choose a question that matches your symptoms.

1 discussion

1997 Pontiac Sunfire Code Po121 Po304

1997 PONTIAC SUNFIRE
The Code Shows Po121 Tps/pedal Position Sensor A Replaced Both Po121 Still Comes Up Also Po304 Cyl.4 Misfire.runs Rough Stalls. Plugs Are...
1 ANSWER
Asked by john schuttenhelm

Browse other repair topics

Browse by repair topic
P0107P0113P0121

    Can’t find your issue?

    Ask a new Pontiac Sunfire question