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Air-Fuel Ratio (A/F) Sensor

AIR-FUEL RATIO (A/F) SENSOR

INSPECTION




INSPECT HEATER RESISTANCE OF A/F SENSORS
(Bank 1 sensor 1, Bank 2 Sensor 1)

a. Disconnect the A/F sensor connector.




b. Using an ohmmeter measure the resistance between terminals +B and HT. If the resistance is not as specified, replace the sensor.

Torque: 44 N.m (440 kgf.cm, 31 ft.lbf)

c. Reconnect the A/F sensor connector.