FUEL INJECTION (FUEL SYSTEMS)(H4DOTC) > Front Oxygen (A/F) Sensor

REMOVAL

1. Set the vehicle on a lift.

2. Disconnect the ground cable from battery.

3. Disconnect the connector from the front oxygen (A/F) sensor, and remove the clips (A) and (B) holding the front oxygen (A/F) sensor harness.

4. Remove the clips (A) holding the front oxygen (A/F) sensor harness to the engine harness stay.

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, otherwise it will damage the exhaust pipe.