Seller notes

Please check fitment notes & description for accurate information. 2002-2003 Infiniti QX4 3.5L2001-2002 Nissan Pathfinder 3.5L Oxygen Sensors 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? Step 1 - Some sensors are equipped with a heat shield that must be removed before the sensor removal, this is performed by removing...

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