Removal (4.6L)

On Mark VIII, remove engine cover and air inlet tube assembly. On all models, release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE. Disconnect negative battery cable. Disconnect fuel inlet and return lines. See FUEL LINE CONNECTOR. Disconnect wiring harness connectors from injectors. Disconnect vacuum line at fuel pressure regulator and brake booster (Mark VIII). Remove fuel rail bolts. Remove fuel rails and injectors as an assembly.