Front

EGO Sensor Wrench:

SPECIAL SERVICE TOOL(S)

REMOVAL
1. Disconnect the battery ground cable. For additional information, refer to Battery.
2. Raise and support the vehicle. For additional information, refer to Maintenance/Service and Repair.

Front:

3. Remove the Heated Oxygen Sensor (HO2S).
1 Unclip and disconnect the electrical connector.
2 Using the special tool, remove the HO2S.

NOTE: RH shown, LH similar.

INSTALLATION
1. To install, reverse the removal procedure.
^ Apply a light coat of High Temperature Nickel Anti-Seize Lubricant F6AZ-9LA94-AA or equivalent meeting Ford specification ESE-M12A4-A to the threads of the heated oxygen sensors.