DTC Diagnosis Procedure

If DTC P0087 is displayed with DTC P0090, first perform the confirmation procedure for DTC P0090.

Is applicable DTC detected?

YES

Perform diagnosis of applicable. Refer to DTC Description .

NO

GO TO 2.

Check low fuel pressure. Refer to Work Procedure .

Is inspection result normal?

YES

GO TO 3.

NO

Check low fuel pressure system. Refer to Diagnosis Procedure .

Check high pressure fuel pump. Refer to Component Inspection .

Is inspection result normal?

YES

GO TO 4.

NO

Replace error-detected parts.

1. Start the engine.
2. 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. Refer to FUEL SYSTEM : Inspection .

NO

Replace or replace the error-detected parts.