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Main Oxygen Sensor Inspection

INSPECT HEATER RESISTANCE OF MAIN HEATED OXYGEN SENSOR

Main Heated Oxygen Sensor Location:




- Disconnect the oxygen sensor connector.



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

Resistance: At 20°C (68°F): 11 - 16 Ohms

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

Torque: 44 Nm (32 ft.lb)

- Reconnect the oxygen sensor connector.