Oxygen Sensor: Service and Repair

REMOVAL

1. Disconnect the battery ground cable.

NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the powertrain control module relearns its adaptive strategy. The vehicle may need to be driven 10 miles or more to relearn the adaptive strategy.

2. Raise and support the vehicle.

3. Disconnect the Heated Oxygen Sensor (HO2S) electrical connector.

4. Unscrew and remove the HO2S.

INSTALLATION

1. Apply a thin coating of anti-seize to sensor threads. Install new HO2S into exhaust manifold.

NOTE: Do not contaminate sensing tip with anti-seize compound.

2. Torque sensor to 24-29 Nm (22-36 lb ft).

3. Plug in sensor electrical connector to harness.

4. Lower vehicle.

5. Connect battery ground cable.