323 L4-1800cc 1.8L OHC (1991)
Oxygen Sensor: Service and Repair
Fig. 81 Component Replacement And Repair
1. Disconnect oxygen sensor connector from harness.
2. Remove sensor with suitable wrench or socket.
3. When installing new sensor or re-installing existing sensor, apply a thin coating of anti-seize to the sensor threads.
NOTE: Do not contaminate the sensing tip with the anti-seize compound.
4. Install the sensor and torque it to specification 22 - 36 ft lb (29 - 49 Nm).
5. Connect oxygen sensor connector to harness.