Operation CHARM: Car repair manuals for everyone.

Oxygen Sensor - Removal






REMOVAL






CAUTION: Never apply any type of grease to the Oxygen (O2) sensor harness connector, or attempt any soldering of the sensor wiring harness.

WARNING: The exhaust manifold, exhaust pipes and catalytic converters become very hot during engine operation. Allow engine to cool before removing oxygen sensor.

1. Disconnect both negative battery cables.
2. Raise and support the vehicle.

CAUTION: When disconnecting the O2 sensor harness connector, do not pull directly on the wire going into sensor.

3. Disconnect the O2 sensor harness connector.
4. Remove the O2 sensor.
5. Clean the threads in catalytic converter using the appropriate tap.