Oxygen Sensor: Service and Repair

Removal





WARNING: To avoid danger of being burned, do not touch exhaust system when system is hot. Oxygen sensor removal should be performed when system is cool.

- Disconnect negative cable from battery.





- Hoist vehicle when removing sensor-2
- Disconnect coupler of heated oxygen sensor and release its wire harness from clamps.
- Remove heated oxygen sensor from exhaust manifold.

Installation

Reverse removal procedure noting the following.
- Tighten heated oxygen sensor to specified torque.

Tightening Torque for heated oxygen sensor:
40 - 50 Nm (4.0 - 5.0 kg-m, 29.0 - 36.0 lb-ft)

- Connect coupler of heated oxygen sensor and clamp wire harness securely.
- After installing heated oxygen sensor, start engine and check that no exhaust gas leakage exists.