P1125 AUDI Long Term Fuel Trim Adjustment Bank 2 System Too Rich

Possible causes
– Faulty HO2S
– Faulty Mass Air Flow Sensor
– High fuel pressure
– Canister purge solenoid stuck open
– HO2S harness is open or shorted
– HO2S circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
AUDI Technical Service Bulletins for P1125 code
1998 AUDI A4 FUEL SYSTEM, OTHER
1998 AUDI A6 FUEL SYSTEM, OTHER
1999 AUDI A4 FUEL SYSTEM, OTHER
1999 AUDI A6 FUEL SYSTEM, OTHER
2000 AUDI A4 FUEL SYSTEM, OTHER
2000 AUDI A6 FUEL SYSTEM, OTHER
2000 AUDI S4 FUEL SYSTEM, OTHER
2001 AUDI A4 FUEL SYSTEM, OTHER
2001 AUDI A6 FUEL SYSTEM, OTHER
2001 AUDI S4 FUEL SYSTEM, OTHER