Oxygen Sensor: Testing and Inspection

INSPECT OF FEEDBACK VOLTAGE (VF).

- Warm up the engine.




- Connect the voltmeter to the check connector terminals Vf and E1.




Part 1 of 2




Part 2 of 2

INSPECT HEATER COIL RESISTANCE OF OXYGEN SENSOR.





- Using an ohmmeter, measure the resistance between the terminals +B and HT.

Resistance: 5.1 - 6.3 ohms

- If the resistance is not as specified, replace the sensor.