Please check fitment notes & description for accurate information. 1998-2001 Nissan Maxima 3.0L 2001 Nissan Pathfinder 3.5L 2000-2001 Nissan Sentra 1.8L 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? .
