How many o2 sensors does a 2002 Pontiac sun fire gt have%3F
There should be 2 O2 sensors. The first one is on the engine side of the Catalytic converter that is the upstream O2 sensor and the second one primarily comes after the catalytic converter down the exhaust pipe.
1 out of 1 people think this is helpful.
Search Pontiac Sunfire Questions
Pontiac Sunfire Experts