Oxygen Sensor (O2S) (1.8L)
Continuously rich or lean operation may be caused by malfunction other than O2S. Faults in O2S should set fault code in PCM memory. See CIRCUIT TEST O2S in G - EEC TESTS W/CODES article in the ENGINE PERFORMANCE Section.
Continuously rich or lean operation may be caused by malfunction other than O2S. Faults in O2S should set fault code in PCM memory. See CIRCUIT TEST O2S in G - EEC TESTS W/CODES article in the ENGINE PERFORMANCE Section.