5000S Wagon L5-2309cc 2.3L SOHC (NF) (1988)
Oxygen Sensor: Service and Repair
NOTE: The oxygen sensor replacement interval is 60,000 miles. An OXS mileage counter is not used.
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disconnect oxygen sensor lead (1)
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disconnect oxygen sensor heater connector (2) from harness connector (3)
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unscrew oxygen sensor (arrow) from exhaust Oust ahead of catalyst)
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installation is reverse of removal procedure
CAUTION: oxygen sensor threads must be coated with Anti-seize compound before installing. If the sensor has not already been coated in production,
carefully apply a coating to the threads taking extreme care not to allow Anti-seize into the sensor slots.