Fuel System Leak Detected - Large Leak
The ECU detected a large leak in the fuel system. Rail pressure cannot be maintained, often visible as fuel odor or visible drips.
Affected components
- Fuel lines
- Fuel rail
- Injector seals
Common causes
- High likelihood: Fuel line cracked or fitting loose
- Medium likelihood: Injector O-ring failed
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- 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.