P1129 VOLKSWAGEN Possible Causes
- Faulty mass air flow (MAF) sensor
- High fuel pressure
- Purge canister solenoid stuck open
- Faulty Bank 1 HO2S
How to Fix P1129 VOLKSWAGEN Code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding 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 VOLKSWAGEN Meaning
Long term fuel trim system B2 too rich is the generic description for Volkswagen P1129 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about Volkswagen P1129 OBDII code.