P1128 AUDI Possible Causes
- Faulty mass air flow (MAF) sensor
- Low fuel pressure
- Engine vacuum leak
- Faulty Bank 1 HO2S
How to Fix P1128 AUDI Code?
Start by checking the “possible causes” listed above. Visually inspect the related 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)
P1128 AUDI Meaning
Fuel Trim System Too Lean Long Term Bank 1 is the generic description for Audi P1128 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about the Audi P1128 OBDII code.