Please check fitment notes & description for accurate information. 1996 Buick Century 2.2L 1997-1998 GMC Sonoma 2.2L Oxygen Sensor's Location: How do I know the O2 sensor is good or not? Check engine light on A reduction in fuel economy. Your catalytic converter fails unexpectedly Exhaust emissions reach undesirable levels. How to install the oxygen sensor? .
