What does P1168 mean on a Ford?

P1168. Fuel Rail Pressure Sensor Low Pressure Condition. Applies to F-150, Mustang, Explorer with returnless fuel systems.

What causes P1168 on a Ford?

Weak fuel pump Clogged fuel filter Failing fuel rail pressure sensor reading low Restricted pump inlet sock Voltage drop to the pump

How do I fix P1168 on a Ford?

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

Code

P1168

Fuel Rail Pressure Sensor Low Pressure Condition

Category: Powertrain - Fuel/Air Metering
Severity: Check Engine Light
Applies to: F-150, Mustang, Explorer with returnless fuel systems
Related: P0087 Fuel Rail/System Pressure - Too Low on OBD Codes List

Findings, check these first

Weak fuel pump
Clogged fuel filter
Failing fuel rail pressure sensor reading low
Restricted pump inlet sock
Voltage drop to the pump

Standard procedure

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

Code lookup

Type a code above, or start from a symptom or a common code.

Press / to jump to the box. Ford-enhanced powertrain, body, chassis and network codes. Generic P0xxx codes live on OBD Codes List.

Sources and review

Review: qualified. Read the source limits below.

OBDII.pro: P1168 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for P1168: Fuel Rail Sensor In-Range Low Failure
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.

Last updated 2026-09-05.

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