Removing
1. Raise the car on a lift.
2. Disconnect the heated oxygen sensor harness from the mounting brackets.
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. When reinstalling, replace the old oxygen sensor seal with a new one.
Installation
1. Clean the mating surfaces of the oxygen sensor and exhaust system.
2. Install a new O-ring on the heated oxygen sensor. Coat the sensor thread with non-stick paste. Reinstall the heated oxygen sensor and tighten to 50 Nm.
CAUTION: The non-stick paste must not come into contact with the sensing element of the sensor.
3. Connect the heated sensor connector to the mating connector and secure it (connector) fastening bracket.
4. Secure the oxygen sensor harness with clips.
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