17547/P1139/004409
From Ross-Tech Wiki
17547/P1139/004409 - Fuel Trim: Bank 2 (Add): System too Rich
Possible Symptoms
- Malfunction Indicator Light (MIL) active
Possible Causes
- Mass Air Flow (MAF) Sensor faulty
- Fuel Pressure Regulator faulty
- Fuel Injector(s) faulty
- Oxygen Sensor Control faulty
- Oxygen Sensor(s) faulty
- Evaporative Emission (EVAP) System faulty
Possible Solutions
- Check Mass Air Flow (MAF) Sensor
- Check Fuel Pressure Regulator
- Check Fuel Injector(s)
- Check Oxygen Sensor Control
- Check Oxygen Sensor(s)
- Check Evaporative Emission (EVAP) System