Fuel Rail/System Pressure - Too High Bank 2
Rail pressure on bank 2 above the target operating range. Often regulator or sensor fault.
Affected components
- Fuel pressure regulator
- Fuel rail pressure sensor b2
Common causes
- High likelihood: Regulator stuck closed
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.