Low Pressure Fuel System Pressure - Too Low. Low Ambient Temperature
Low-pressure fuel circuit pressure below target under cold ambient conditions. Often diesel waxing or gelled fuel filter.
Affected components
- Fuel filter
- Lift pump
- Low pressure sensor
Common causes
- High likelihood: Fuel waxing in cold weather
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
- Reduced-power or limp mode may occur
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.