First, you should relieve the fuel system pressure and remove the upper intake manifold with the lower intake manifold. Then, you should remove the fuel pipe retaining clip, disconnect the fuel feed pipe from the
Fuel Injector rail and use compressed air to remove debris from the area where the fuel injectors enter the intake manifold. After that, you should remove the fuel rail bolts and the fuel rail with the fuel injectors. Then, you should disengage the fuel injector electrical connector lock, disconnect the fuel injector electrical connector and remove the fuel injector retainer clip and the fuel injector. Finally, you should remove and discard the fuel injector seals.