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Home >> Jeep >> 2007 >> Patriot Limited, FWD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0137 To P0270 >> P0140-O2 Sensor 1/2 Signal Inactive >> Set Conditions

Set Conditions

Set Condition:
The O2 signal voltage does not switch lean or rich during monitoring for at least 2 to 4 minutes. Two Trip Fault. Three good trips to turn off the MIL.

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