Heated Oxygen Sensor (HO2S) (1.8L/2.0L/1.6L Zetec-E)

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Special tool


HO2S Sensor Wrench 303-476 (T94P -9472-A)

Removal


1. Raise and support the vehicle. Refer to Section 100-02 for additional information.

2. Remove the engine protection.



3. Disconnect the HO2S sensor electrical connector.



4. Using the special tool, remove the HO2S sensor.



Installation


1.
CAUTION: When installing a new HO2S, it is possible that the new component will have a longer cable than the component that was removed. It is important to route and secure the cable in a manner that will prevent damage from heat or moving parts, and to avoid causing noise, vibration, or harshness (NVH) problems.


Install the elements back in place in reverse order.







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