You need to relieve the fuel pressure, disconnect the negative battery cable, remove the PCV valve and the hose and the 3 bolts, and the intake manifold brace, disconnect the electrical connectors from the 4
Fuel Injectors and the vacuum hose from the fuel pressure regulator, remove the fuel feed hose, the fuel return hose from the fuel rail return pipe, the 2 bolts from the fuel rail, the fuel rail, and the 4 fuel injectors.