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Audi lover
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
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