P1090 BMW – Pre-Catalyst Fuel Trim Too Lean Bank 1

P1090 BMW Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1090 BMW Possible Causes

Low fuel pressure,Large vacuum leak on engine,Faulty Mass Air Flow (MAF) sensor,Faulty Ignition,Faulty fuel injector

P1090 BMW Description

Pre-Catalyst Fuel Trim Too Lean Bank 1 is the generic description for the P1090 Bmw code, but the manufacturer may have a different description. Currently we have no further information abouth the P1090 Bmw OBDII code.