Front Oxygen Sensor

Front Oxygen (A/F) Sensor

REMOVAL
1. Set the vehicle on a lift.
2. Disconnect the ground cable from battery.
3. Lift-up the vehicle.
4. Disconnect the connector of front oxygen (A/F) sensor.




- LH side




- RH side

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, otherwise it will damage the exhaust pipe.




- LH side




- RH side

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.

Tightening torque: 21 N.m (2.1 kgf.m, 15.2 ft.lb)




- LH side




- RH side

3. Connect the connector of front oxygen (A/F) sensor.




- LH side




- RH side

4. Lower the vehicle.
5. Connect the battery ground cable to the battery.