Please check fitment notes & description for accurate information. 2005 Saab 9-2X 2.5L 2005 Subaru Forester 2.5L 2005 Subaru Impreza 2.5L 2004-2005 Subaru Legacy 2.5L 2004-2005 Subaru Outback 2.5L 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? .
