LEMON Manuals
: Even more car manuals for everyone
Home
>>
Jeep
>>
2021
>>
Grand Cherokee L Laredo, RWD
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
3.6L - DTCS P0037 To P0152
>>
Diagnosis And Testing
>>
P0139-O2 Sensor 1/2 Slow Response
>>
Set Condition
Set Condition
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.