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

REMOVAL

1. Set the vehicle on a lift.

2. Disconnect the ground cable from the battery.

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

4. Remove the front oxygen (A/F) sensor harness which is fixed with the clips (A) and (B).

5. Lift up the vehicle.

6. Remove the under cover.

7. Apply spray-type lubricant or equivalent 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 oxygen (A/F) sensor, wait until exhaust pipe cools, otherwise it will damage the exhaust pipe.