Please check fitment notes & description for accurate information. 1996-1997 Lexus LS400 4.0L 1996-2000 Lexus SC400 4.0L 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? .
