Oxygen Sensor: Service and Repair

NOTE: Do not remove oxygen sensor pig-tail or connector, removal will affect sensor operation.

1. Disconnect oxygen sensor electrical connector from wiring harness.
2. Using a suitable wrench, carefully remove sensor from exhaust manifold or pipe. The oxygen sensor may be difficult to remove when engine temperature is below 120°F.

CAUTION: Do not use excessive force, threads in exhaust manifold or pipe are easily damaged.

3. If new sensor is being used, install sensor in manifold or pipe.
4. If old sensor is being reused, coat threads with anti-seize compound, Part No. 5613695 or equivalent, then install in manifold or pipe.
5. Torque oxygen sensor to 31 ft lb.
6. Connect electrical connector.


**EMI
**SPEC