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. Remove the components in the order indicated in the illustration and table. To remove individual components, only carry out the listed steps.

Item 2: Catalyst Monitor Sensor Removal Note







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

Item 3: Heated Oxygen Sensor Removal Note







1. Using the special tool, remove the heated oxygen sensors.

INSTALLATION
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 Sensor Installation Note
1. Apply a light coat of anti-seize lubricant to the threads of the catalyst monitor sensors.