Heated Oxygen Sensor

HEATED OXYGEN SENSOR (HO2S)

4.6L Engine:

5.4L Engine:

6.8L Engine:

Exploded View

Special Tool(s):

Special Tool(s)

Removal and Installation
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Disconnect the heated oxygen sensor (HO2S) electrical connector.







3. NOTE: If necessary, lubricate the HO2S with penetrating and lock lubricant to assist in removal.

Using the special tool, remove the HO2S.
- Apply a light coat of high temperature nickel anti-seize lubricant to the HO2S threads prior to installation.
- To install, tighten to 46 Nm (34 lb-ft).

4. To install, reverse the removal procedure.