Please check fitment notes & description for accurate information. 2003 Pontiac Vibe 1.8L 2003-2008 Pontiac Vibe 1.8L Downstream 2003-2008 Toyota Corolla 1.8L Downstream 2003-2004 Toyota Matrix 1.8L 2003-2008 Toyota Matrix 1.8L Downstream 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. .
