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Home >> Jeep >> 2006 >> Commander Base, 4.7 N, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 3.7L & 4.7L & 5.7L Engine - DTCS P0121 To P0171 >> Diagnosis And Testing >> P0157-O2 Sensor 2/2 Circuit Low >> Monitor Conditions
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Monitor Conditions

  1. When Monitored: 

    Engine running for less than 30 seconds and the O2 Sensor Heater Temperature is less than 251°C (484°F) with battery voltage greater 10.99 volts.

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