Heated Oxygen Sensor (Sensor 1)

Heated Oxygen Sensor (Sensor 1) Removal and Installation

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.

1. Disconnect negative (-) cable from battery.
2. Disconnect coupler of oxygen sensor(s)




3. Remove oxygen sensor(s) from exhaust manifold(s)

NOTE: Be careful not to expose it to excessive shock.

Installation
Reverse removal procedure noting the followings.




- Tighten oxygen sensor (s) to specified torque.

Tightening torque
Heated oxygen sensor 1 a: 45 N.m (4.5 kg-m, 32.5 lb-ft)

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