lemon-mirror
:
Home
>>
Jeep
>>
2023
>>
Compass Red
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
2.0L - DTCS P0117 To P018C
>>
DTC Troubleshooting
>>
P0139-O2 Sensor 1/2 Slow Response
>>
Set Condition
Set Condition
The Powertrain Control Module (PCM) does not detect a rich to lean switch within a calibrated time during a decel fuel shutoff event.