Oxygen Sensor: Testing and Inspection

SENSOR INSPECTION

NOTE:
1. Before checking, warm up the engine until the engine coolant temperature reaches 80 to 95 °C (176 to 205 °F).
2. Use an accurate digital voltmeter.

Replace the oxygen sensor if there is a malfunction.

Tightening torque
Heated oxygen sensor: 50 - 60 Nm (500 - 600 kg.cm, 37 - 44 lb.ft)