DTC Diagnosis Procedure
- CHECK LOW FUEL PRESSURE
Check low fuel pressure or Work Procedure . Is inspection result normal?
YES>>
GO TO 2.
NO>>
Check low fuel pressure system or Work Procedure .
- CHECK HIGH PRESSURE FUEL PUMP
Check high pressure fuel pump or Component Inspection . Is inspection result normal?
YES>>
GO TO 3.
NO>>
Replace error-detected parts.
- CHECK FUEL LEAKAGE
- Start the engine.
- Visually check that the fuel pump, fuel rail, and fuel piping have no fuel leakage.
Is inspection result normal?
YES>>
Check that the fuel system has no breakage, bend, and crush or FUEL SYSTEM : Inspection .
NO>>
Replace or replace the error-detected parts.