Oxygen Sensor: Service and Repair

HEATED OXYGEN SENSOR (HO2S) AND CATALYST MONITOR SENSOR

Socket, Exhaust Gas Oxygen Sensor:

SPECIAL TOOL(S)

REMOVAL
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Disconnect the battery ground cable.







3. Remove the parts in the order indicated in the illustration and table.

Item 2: HO2S and Catalyst Monitor Sensors Removal Note







1. Using the special tool, remove the HO2S and the catalyst monitor sensors.

INSTALLATION
1. To install, reverse the removal procedure.

Item 2: HO2S and Catalyst Monitor Sensors Installation Note







1. NOTE: Apply a light coat of anti-seize lubricant to the threads of the HO2S and the catalyst monitor sensors.

Using the special tool, install the HO2S and the catalyst monitor sensors.