HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [YF (2.0L Zetec)]

1. Disconnect the HO2S connector.

2. Position the PCM harness protector tightening nut out of the way with the connectors still connected.

Note

• If necessary, lubricate the HO2S with Penetrating and Lock Lubricant E8AZ-19A501-B or the equivalent to aid in removal.

3. Remove the HO2S using the SST.

Note

• Apply a light coat of High Temperature Nickel Anti-Seize Lubricant F6AZ-9L494-AA or the equivalent meeting specification ESE-M12A4-A to the threads of the HO2S to aid in installation.

4. Install in the reverse order of removal.

HO2S tightening torque

40 N·m {4.1 kgf·m, 30 ft·lbf}