P1127 AUDI Possible Causes
- Faulty HO2S
- Faulty mass air flow sensor
- High fuel pressure
- Purge canister solenoid stuck open
- HO2S harness is open or shorted
- Poor electrical connection in HO2S circuit
How to fix P1127 AUDI code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Check engine light on (or service engine soon warning light)
P1127 AUDI Meaning
Fuel Trim System Too Rich Bank 1 Long Term is the generic description for Audi P1127 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about the Audi P1127 OBDII code.