AIR FUEL RATIO SENSOR (for Unleaded Gasoline Specification Vehicle) > INSPECTION

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1. Measure the resistance between terminals 1 (HT) and 2 (+B) of the sensor.
   

   Standard resistance:

   1.8 to 3.4 Ω at 20°C (68°F)
   

   If the result is not as specified, replace the air fuel ratio sensor.