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. For the RH side catalytic converter, remove the two bolts and position the heat shield aside.












3. Remove the parts in the order indicated in the illustration and table. To remove individual components, only carry out the listed steps.
4. To install, reverse the removal procedure.

Item 2: Catalyst Monitor Removal Note







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

Using the special tool, remove the catalyst monitor sensors.

Item 3: Heated Oxygen Sensor Removal Note







1. NOTE: If necessary, lubricate the heated oxygen sensors with penetrating and lock lubricant to assist in removal.

Using the special tool, remove the heated oxygen sensors.

1. To install, reverse the removal procedure.

Item 3: Heated Oxygen Sensor Installation Note
1. Apply a light coat of anti-seize lubricant to the threads of the heated oxygen sensors.

Item 2: Catalyst Monitor Installation Note
1. Apply a light coat of anti-seize lubricant to the threads of the catalyst monitor sensors.