P1171 Possible Causes
- Air intake or exhaust clogged
- Clogged fuel filter
- Fuel pump failure
- Injector failure
How is code P1171 repaired?
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)
P1171 Meaning
The lean fuel system during acceleration is the generic description for code P1171, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about OBDII code P1171.