P1127 VOLKSWAGEN Possible Causes
- Faulty HO2S
- Faulty mass air flow sensor
- High fuel pressure
- Purge canister solenoid stuck open
- HO2S harness open or shorted
- Poor electrical connection in HO2S circuit
How to Fix P1127 VOLKSWAGEN 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 VOLKSWAGEN Meaning
Fuel Trim System Long Term B1 Too Rich is the generic description for Volkswagen P1127 code, but the manufacturer may have a different description for your model and vehicle year. Currently, we have no further information about Volkswagen P1127 OBDII code.