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Home >> Jeep >> 2006 >> Commander Base, 3.7 K, AWD >> 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 >> Set Conditions

Set Conditions

Set Condition:
The oxygen sensor signal voltage is below 2.5196 volts for 3 seconds after starting engine. Two Trip Fault. Three good trips to turn off the MIL.

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