P009F
Fuel Pressure Relief Control Stuck On
P009F is an OBD-II diagnostic trouble code meaning: Fuel Pressure Relief Control Stuck On. Common causes: mechanical stuck pressure relief valve, short circuit in valve control circuit. Estimated repair cost: $56–167.
Symptoms
- Loss of engine power
- Unstable idling
- Increased fuel consumption
- Difficulty starting the engine
- Check Engine Indication
Causes
- Mechanical stuck pressure relief valve
- Short circuit in valve control circuit
- Open circuit in valve control circuit
- Malfunction of the solenoid valve (solenoid)
- Wiring Harness Problems
- ECU malfunction
How to Fix
- Check the fuel pressure with a pressure gauge
- Inspect the valve electrical circuit for damage.
- Check the resistance and operation of the valve solenoid
- Test valve operation using a scanner
- Replace pressure relief valve if necessary
- Clear error and test drive
Related codes
Error P009F by Vehicle Brand
FAQ
What does the P009F code mean?
P009F is an OBD-II diagnostic trouble code that indicates: Fuel Pressure Relief Control Stuck On
What causes a P009F error code?
The most common causes of P009F include: Mechanical stuck pressure relief valve; Short circuit in valve control circuit; Open circuit in valve control circuit; Malfunction of the solenoid valve (solenoid).
How do I fix a P009F diagnostic trouble code?
To fix P009F: Check the fuel pressure with a pressure gauge. Inspect the valve electrical circuit for damage.. Check the resistance and operation of the valve solenoid. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P009F?
Limited driving only, diagnose soon
How much does it cost to fix P009F?
The estimated repair cost for P009F is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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