Front Oxygen (A/F) Sensor

Front Oxygen (A/F) Sensor

REMOVAL
1. Set the vehicle on a lift.
2. Disconnect the ground cable from the battery.






3. Remove the air intake duct.
4. Remove the clip fastening the harness and disconnect the front oxygen (A/F) sensor connector.






5. Lift up the vehicle.
6. Remove the under cover.
7. Apply spray-type lubricant to the threaded portion of front oxygen (A/F) sensor, and leave it for one minute or more.
8. 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 the anti-seize compound only to the threaded portion of front oxygen (A/F) sensor. This facilitates the next removal.

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

Anti-seize compound: NEVER-SEEZ NSN, JET LUBE or equivalent

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 battery ground cable to battery.