Fuel Pressure Regulator A Exceeded Control Limits - Pressure Too Low
Fuel Pressure Regulator A Exceeded Control Limits - Pressure Too Low: the control module has detected this fault condition. This controls fuel-rail pressure.
Affected components
- Fuel pressure regulator
- High pressure fuel pump
Common causes
- High likelihood: Regulator leaks or pump weak
Possible symptoms
- Check engine light on
- Hard start, no start, or stalling under load
- Power loss especially at high load or rpm
- Possible long cranking time
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Related codes
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.