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Home >> Jeep >> 2014 >> Cherokee Trailhawk, 3.2L Eng VIN S >> Repair and Diagnosis >> Engine Performance >> System >> 3.2L - DTCS P0157 To P0480 >> Diagnosis And Testing >> P0159-O2 Sensor 2/2 Slow Response >> 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. One trip fault. Three good trips to turn off the MIL.

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