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Home › Jeep › 2007 › Liberty Limited, 4WD, Part Time › Repair and Diagnosis › Engine Performance › System › DTCS P0112 To P0155 - Gas › P0155-O2 Sensor 2/1 Heater Performance › Monitor Conditions

Monitor Conditions

  1. When Monitored: 

    Engine running and heater duty cycle greater than 0%. Battery voltage greater than 11.0 volts.

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