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Home >> Jeep >> 2011 >> Liberty Renegade, Part Time >> Repair and Diagnosis >> Engine Performance >> System >> 3.7L - DTCS P2100 To U1418 >> Diagnosis and Testing >> P2273-O2 Sensor 2/2 Signal Stuck Rich >> Set Condition:

Set Condition:

The Powertrain Control Module (PCM) monitors the downstream O2 sensor. If the PCM does not detect a rich to lean switch within a specific time during a decel fuel shutoff event, the monitor will fail. Two trip fault. Three good trips to turn off the MIL.

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