P1177 VOLKSWAGEN Possible Causes
- Faulty O2 sensor
- Faulty MAF sensor
- Engine vacuum leak
- Lean air/fuel ratio
How to Fix Volkswagen P1177 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 engine warning light soon service)
P1177 VOLKSWAGEN Meaning
O2 Correction Behind Catalyst Limit B1 Reached is the generic description for Volkswagen P1177 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about Volkswagen OBDII P1177 code.