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Home › Jeep › 2008 › Commander Overland, RWD › Repair and Diagnosis › Engine Performance › System › DTCS P0128 To P0197 › P0135-O2 Sensor 1/1 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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