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Air/Fuel Ratio Sensor

AIR-FUEL RATIO (A/F) SENSOR

INSPECTION

1. INSPECT HEATER RESISTANCE OF A/F SENSOR (Bank 1 Sensor 1)




a. Disconnect the A/F sensor connector.

Resistance:




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

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

Torque: 20 N.m (200 kgf.cm, 14 ft.lbf)

c. Reconnect the A/F sensor connector.

2. INSPECT OPERATION OF A/F SENSOR