FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Rear Oxygen Sensor

REMOVAL

1. Set the vehicle on a lift.

2. Disconnect the ground cable from the battery.

3. Disconnect the connector from rear oxygen sensor.

(A)

Front oxygen (A/F) sensor connector

(B)

Rear oxygen sensor connector

4. Remove the clip holding the harness.

5. Lift the vehicle.

6. Remove the under cover.

7. Apply spray-type lubricant to the threaded portion of rear oxygen sensor, and leave it for one minute or more.

8. Remove the rear oxygen sensor.

CAUTION:

When removing the rear oxygen sensor, wait until exhaust pipe cools, otherwise it will damage the exhaust pipe.

(A)

Front oxygen (A/F) sensor

(B)

Rear oxygen sensor