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Home › Dodge and Ram › 2007 › Caliber SE, 1.8 C › Repair and Diagnosis › Engine Performance › System › DTCS P000A To P0121 › P0031-O2 Sensor 1/1 Heater Circuit Low › Monitor Conditions

Monitor Conditions

  1. When Monitored: 

    With the engine running and battery voltage greater than 10.4 volts.

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