P05FC
Cold Start Fuel Pressure Performance Bank 2
P05FC is an OBD-II diagnostic trouble code meaning: Cold Start Fuel Pressure Performance Bank 2. Common causes: high pressure pump fault (bank 2), worn bank 2 fuel pressure regulator. Estimated repair cost: $56–389.
Symptoms
- Difficulty starting the engine in the cold
- Unstable operation of bank 2 during warm-up
- Misfire in bank 2 cylinders during cold start
- Increased fuel consumption
- Check Engine Light Is On
Causes
- High pressure pump fault (bank 2)
- Worn bank 2 fuel pressure regulator
- Clogged high pressure fuel filter
- Insufficient inlet pressure (low pressure pump)
- Bank 2 injectors clogged
How to Fix
- Read codes, check for P05FC and similar for bank 1
- Check the fuel pressure in the low pressure system (normal: 3–6 bar)
- Check the pressure in the high pressure system of bank 2 during a cold start
- Replace high pressure fuel filter
- Check bank 2 pressure regulator
- Diagnose the high pressure pump
Related codes
Error P05FC by Vehicle Brand
FAQ
What does the P05FC code mean?
P05FC is an OBD-II diagnostic trouble code that indicates: Cold Start Fuel Pressure Performance Bank 2
What causes a P05FC error code?
The most common causes of P05FC include: High pressure pump fault (bank 2); Worn bank 2 fuel pressure regulator; Clogged high pressure fuel filter; Insufficient inlet pressure (low pressure pump).
How do I fix a P05FC diagnostic trouble code?
To fix P05FC: Read codes, check for P05FC and similar for bank 1. Check the fuel pressure in the low pressure system (normal: 3–6 bar). Check the pressure in the high pressure system of bank 2 during a cold start. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P05FC?
Limited driving only, diagnose soon
How much does it cost to fix P05FC?
The estimated repair cost for P05FC is $56–389. Actual cost depends on your vehicle, location, and labor rates.
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