P1168 Fuel Rail Pressure Sensor Low Pressure Condition
What does P1168 mean on a Ford?
P1168 — Fuel Rail Pressure Sensor Low Pressure Condition. This Ford-enhanced code applies to F-150, Mustang, Explorer with returnless fuel systems.
Common causes of P1168
- Weak fuel pump
- Clogged fuel filter
- Failing fuel rail pressure sensor reading low
- Restricted pump inlet sock
- Voltage drop to the pump
How to fix P1168
- Verify pressure with a mechanical gauge
- Replace the fuel filter
- Check pump voltage under load
- Inspect the inlet sock if pressure stays low
- Replace the pump or sensor per gauge results