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Home >> Jeep >> 2007 >> Commander Base, 4.7 P, RWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> DTCS P0123 To P0174 >> P0138-O2 Sensor 1/2 Circuit High >> Monitor Conditions
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Monitor Conditions

  1. When Monitored: 

    Continuously with the engine running, no O2 sensor heater DTCs present, 1/2 Oxygen Sensor heater temperature within a specific range, and battery voltage greater than 10.4 volts.

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