P1165 AUDI Possible Causes
- High fuel pressure – Blocked return system or faulty pressure regulator
- Faulty fuel injector
- EVAP purge solenoid stuck open
- Misfiring cylinder
- Fix other codes first
How to Fix P1165 AUDI 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
- Engine light on (or engine service warning light soon)
P1165 AUDI Meaning
Upper rich limit exceeded for long term fuel trim bank 1 is the generic description for Audi P1165 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 P1165 OBDII code.