Front Oxygen Sensor

Front Oxygen (A/F) Sensor

REMOVAL
1. Disconnect the ground cable from battery.




2. Disconnect the front oxygen (A/F) sensor connector.

NOTE: Remove the harness clip from bracket.

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 oxygen (A/F) sensor, wait until exhaust pipe cools, otherwise it will damage exhaust pipe.

INSTALLATION
1. Before installing front oxygen (A/F) sensor, apply the 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 equivalent

CAUTION: Never apply anti-seize compound to 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.

NOTE: Install the harness clip to bracket.

6. Connect the battery ground cable to battery.