Front Oxygen Sensor

Front Oxygen (A/F) Sensor

REMOVAL




1. Disconnect the ground cable from battery.




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




5. 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: SS-30 JET LUBE

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




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




4. Connect the connector of front oxygen (A/F) sensor, and then hold the harness with clip.




5. Connect the battery ground cable to battery.