Removal & Installation

Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE under FUEL SYSTEM in BASIC TESTING On all models, disconnect throttle and cruise control cables. Disconnect electrical and vacuum hose connections as necessary for removal of upper intake manifold.
Disconnect EGR valve flare tubing. Remove upper intake manifold bolts and upper intake manifold. Remove injectors from fuel rail assembly. See Fig 1.
To install, reverse removal procedure. Replace injector rubber "O" rings. Install injectors on fuel rail. Turn ignition switch to ON position. Check for fuel leaks from injectors or related fuel line connections.

Fig 1: Removing Fuel Injector From Fuel Rail (Typical)

Courtesy of NISSAN MOTOR CO., U.S.A.