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Home › Jeep › 2007 › Compass Limited, AWD, Standard › Repair and Diagnosis › Engine Performance › System › DTCS P0137 To P0270 › P0138-O2 Sensor 1/2 Circuit High › Monitor Conditions

Monitor Conditions

  1. When Monitored: 

    With the Oxygen Sensor 1/2 heater temperature greater than 496° C (925° F) and battery voltage greater than 10.4 volts.

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