4. Remove upper intake support bolt. Remove upper intake manifold support bolt. Remove bolt and upper intake manifold. Inspect gaskets and discard as necessary. Disconnect fuel pressure sensor vacuum line. Disconnect fuel charging wiring harness connector.
5. Disconnect crankcase ventilation tube and move to one side. Remove lower intake manifold and fuel injection supply manifold as an assembly. Remove and inspect lower intake manifold gasket, replace with new gaskets, if necessary.