Catalyst Monitor Sensor

CATALYST MONITOR SENSOR

Exploded View

4.6L Engine:

5.4L Engine:

6.8L Engine:

Special Tool(s)

Special Tool(s):

Removal and Installation
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Disconnect the catalyst monitor sensor electrical connector.

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

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







4. To install, reverse the removal procedure.