Heated oxygen sensor before the neutralizer (Range Rover 3)

Removal

1. Raise the car on a lift.



2. Disconnect the heated oxygen sensor wiring harness from the mounting bracket.

3. Disconnect the heated oxygen sensor connector from the mounting bracket.

4. Disconnect the oxygen sensor connector from the mating connector on the wiring harness.

5. Remove the oxygen sensor.

6. When reinstalling, replace the old oxygen sensor seal with a new one.

Installation

1. Clean the mating surfaces of the oxygen sensor and the exhaust system.

2. Install a new sealing ring onto the heated oxygen sensor. Coat the sensor threads with anti-seize paste. Install the heated oxygen sensor in place and tighten it to 50 N·m.

CAUTION: Do not allow non-stick paste to come into contact with the sensor's sensitive element.

(The original was published on the portal: lrman.ru)

3. Connect the heated sensor connector to the mating connector and secure it (the connector) with the mounting bracket.

4. Secure the oxygen sensor wiring harness with a clamp.