17536/P1128/004392 - Fuel Trim; Bank 1 (Mult): System too Lean

Possible Symptoms
Malfunction Indicator Light (MIL) active

Possible Causes
Mass Air Flow (MAF) Sensor faulty
Oxygen Sensor Control faulty Oxygen Sensor(s) faulty

Fuel Injector(s) faulty

Possible Solutions
Check Mass Air Flow (MAF) Sensor
Check Oxygen Sensor Control Check Oxygen Sensor(s)

Check Fuel Injector(s)

17545/P1137/004407 - Fuel Trim: Bank 1 (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