Rear Heated Oxygen Sensor (HO2S)

EGO Sensor Wrench:

SPECIAL SERVICE TOOL(S)

REMOVAL
1. Raise and support the vehicle. For additional information, refer to Maintenance/Service and Repair.







2. Disconnect the Heated Oxygen Sensor (HO2S) electrical connectors.







3. Using the special tool, remove the HO2S.

INSTALLATION
1. To install, reverse the removal procedure.

NOTE: Apply a light coat of High Temperature Nickel Anti-Seize Compound F6AZ-9L494-AA or equivalent meeting Ford specification ESE-M12A4-A to the threads of the HO2S.