Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Front

EGO Sensor Wrench:






SPECIAL TOOL(S)

REMOVAL
1. Disconnect the battery ground cable.
2. Raise and support the vehicle.


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.