Heated Oxygen Sensor - Front

EGO Sensor Wrench:

SPECIAL TOOL(S)

REMOVAL
1. Disconnect the battery ground cable.







2. Disconnect the right side Heated Oxygen Sensor (HO2S) electrical connector.







3. Disconnect the left side HO2S electrical connector.
4. Raise and support the vehicle.







5. Using the special tool, remove the HO2S.

INSTALLATION
1. To install, reverse the removal procedure.
^ Apply a light coat of High Temperature Nickel Anti-Seize Lubricant F6AZ-9L494-AA or equivalent meeting Ford specification ESE-M12A4-A to the threads of the heated oxygen sensors.