Fuel Rail & Injectors: Removal
- Relieve fuel pressure. See FUEL PRESSURE RELIEF . Disconnect negative battery cable. Remove intake manifold top cover. Disconnect IAT sensor connector. Disconnect crankcase vent pipe at air intake duct. Remove air intake duct with air cleaner housing. Remove EGR pipe at throttle body spacer.
- Disconnect brake booster vacuum hose at intake manifold vacuum fitting. Disconnect front bank spark plug wires and lay aside. Disconnect injector electrical connectors and MAP sensor connector. Remove transaxle vent hose and vacuum lines from ISC actuator bracket. Remove vacuum manifold at throttle body. Disconnect fuel rail ground wire at rear cylinder head.
- Disconnect vacuum hose at fuel pressure regulator. Disconnect quick connect fittings at fuel rail. Lift fuel rail and injector assembly out of intake manifold housing. See Figure. Remove injectors from fuel rail. Remove injector "O" rings and seals, and discard.