Faulty O2 Sensor
High fuel pressure
Faulty Mass Air Flow (MAF) Sensor
O2 Sensor harness is open or shorted
O2 Sensor circuit poor electrical connection
Engine Light ON (or Service Engine Soon Warning Light)
Long Term Fuel Trim Add. Fuel B1 System Too Rich is the generic description for the P1137 Volkswagen code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information
about the P1137 Volkswagen OBDII code.