Check gasket is contaminated or misinstalled.

▶ Installation or any damage of Throttle body gasket

▶ Installation or any damage of the gasket between intake manifold and surge tank.

▶ Clogging of intake manifold or injectors resulting from foreign materials.

▶ Open stuck of PCSV caused by foreign materials between surge tank and PCSV.

Has a problem been found ?

YES

▶ Repair or replace as necessary and then, go to "Verification of Vehicle Repair" procedure.

NO

▶ Go to "Check Fuel Line Inspection" as follows.

Check clog, contamination and installation of each hose as follows.

▶ Check connection of each fuel line.

▶ Check damage, interference and installation of vaccum hose connected to fuel line.

▶ Check that fuel pipe in the fuel line is bent and sqeezed.

▶ Check any fuel leakage from fuel pipe in the fuel line.

Has a problem been found ?

YES

▶ Repair or replace as necessary and then, go to "Verification of Vehicle Repair" procedure.

NO

▶ Go to "Check fuel pressure" as follows.

Refer to "Fuel pressure test" in "Fuel delivery system"

Is the measured fuel pressure within specification ?

YES

▶ Go to "Component Inspection" procedure.

YES

▶ Repair or replace as necessary and the, go to "Verification of Vehicle Repair" procedure.