P000F OBD-II: Fuel System Over Pressure Relief Valve Activated

OBD II Fault Code

• OBD II P000F

OBD-II Code Decreased engine performance is defined as a Fuel System Over Pressure Relief Valve Activated

The Fuel Pressure Relief valve is designed to release excessive fuel pressure. When the engine control module (PCM) detects the Fuel Pressure Relief Valve is being activated, the PCM will set code P000F.

Decreased engine performance Symptoms

• Decreased engine performance
• Engine may stall
• Increased fuel consumption

Common Problems That Trigger the P000F Code

• Fuel pressure regulator failure
• Fuel pump failure
• Powertrain Control Module (PCM) failure
• Restriction in the fuel system
• Wiring issue

Common Repairs Needed for the P000F Code

• Fuel Pump Replacement