Operation CHARM: Car repair manuals for everyone.

Front Heated Oxygen Sensor (Right Bank)





COMPONENT INSPECTION

Front heated oxygen sensor heater
Check resistance between terminals (3) and (1).

Resistance: 2.3 - 4.3 Ohms at 25°C (77°F)

Check continuity between terminals (2) and (1), (3) and (2).
Continuity should not exist.
If NG, replace the front heated oxygen sensor.