P1129 AUDI Possible Causes
- Faulty mass air flow (MAF) sensor
- High fuel pressure
- Purge canister solenoid stuck open
- Faulty Bank 1 HO2S
How to Fix P1129 AUDI Code?
Start by checking the “possible causes” listed above. Visually inspect the related wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Check engine light on (or service engine soon warning light)
P1129 AUDI Meaning
Long term fuel trim system B2 too rich is the generic description for Audi P1129 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 P1129 OBDII code.