Front Oxygen Sensor

Front Oxygen (A/F) Sensor

REMOVAL




1. Disconnect the ground cable from battery.




2. Remove the clip fastening the harness and disconnect the front oxygen (A/F) sensor connector.
3. Lift-up the vehicle.
4. Remove the under cover.
5. Apply spray-type lubricant to the threaded portion of front oxygen (A/F) sensor, and leave it for one minute or more.




6. Remove the front oxygen (A/F) sensor.

CAUTION: When removing the front oxygen (A/F) sensor, wait until exhaust pipe cools, because it can damage the exhaust pipe.

INSTALLATION

1. Before installing front oxygen (A/F) sensor, apply anti-seize compound only to the threaded portion of front oxygen (A/F) sensor to make the next removal easier.

Anti-seize compound: NEVER-SEEZ NS-165 or the equivalent

CAUTION: Never apply anti-seize compound to the protector of front oxygen (A/F) sensor.




2. Install the front oxygen (A/F) sensor.
3. Install the under cover.
4. Lower the vehicle.




5. Connect the connector of front oxygen (A/F) sensor connector and fasten the harness with clips.




6. Connect the ground cable to battery.