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Heated Oxygen Sensor: Inspection

  1. INSPECT OXYGEN SENSOR 
    1. Measure the resistance between terminals 1 (HT) and 2 (+B).

      Resistance 

      OXYGEN SENSOR

      Condition Specified Condition
      20°C (68°F) 11 to 16 Ω

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

Fig 1: Measuring Resistance Between Terminals 1 (HT) And 2 (+B)
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