Operation CHARM: Car repair manuals for everyone.

Oxygen Sensor: Service and Repair

HEATED OXYGEN SENSOR REPLACEMENT:
- Disconnect heated oxygen sensor harness connector.
- Open tie wrap.
- Remove heated oxygen sensor.

When installing a heated oxygen sensor, note the following:
- Install tie wraps in original locations, to prevent sensor wiring from contacting exhaust system.
- Coat oxygen sensor threads with anti-seize compound but do not allow compound to enter sensor slots.

TIGHTENING TORQUE: 50 Nm (37 ft lb.)