Oxygen Sensor: Service and Repair

Oxygen Sensor:

The following procedure should be performed with engine temperature over 120° F otherwise the oxygen sensor may be difficult to remove.

1. Disconnect battery ground cable.
2. Disconnect oxygen sensor electrical connector, then carefully loosen oxygen sensor and remove.

NOTE: Replacement oxygen sensors should have a special anti-seize compound applied to threads. If replacement sensor is lacking anti-seize compound or original sensor is to be re-installed, coat threads with suitable anti-seize compound.

3. Reverse procedure to install. Torque oxygen sensor to specification.
Torque Value: 38-46 N-m (28-33 lb.ft.)