Ford Workshop Service and Repair Manuals

Oxygen Sensor: Service and Repair

REMOVAL

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

3. Disconnect the heated 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.