Oxygen Sensor: Service and Repair

O2 Sensor:

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.
- Disconnect connector of oxygen sensor.
- Remove oxygen sensor from exhaust manifold.

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

TIGHTENING TORQUE
45-55 Nm (4.5-5.5 kg-m, 33.0-39.5 lb-ft)

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