Oxygen Sensor: Service and Repair

REMOVAL
1. Disconnect the battery ground cable.
2. Raise the vehicle.







3. Disconnect the heat oxygen sensor electrical connector.

NOTE: When removing the downstream Heated Oxygen Sensor (HO2S), disconnect the electrical wire clip.







4. Remove the heated oxygen sensors.

NOTE: The exhaust manifold heat shield is not shown for clarity.







INSTALLATION
1. Follow the removal procedure in reverse order.