Removal & Installation (Millenia 2.5L, MPV & 626 2.5L)

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2002 Mazda Tribute, 2002 Mazda Protege5, 2002 Mazda Protege, 2002 Mazda Millenia, and 2002 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE . Disconnect negative battery cable. Remove upper intake manifold and throttle body as an assembly. See UPPER INTAKE MANIFOLD . Disconnect vacuum and fuel hoses from fuel rail. See FUEL LINE CONNECTORS (MIATA, MILLENIA, MPV, PROTEGE, PROTEGE5 & 626) . Disconnect fuel injector harness connectors. Remove fuel rail, accumulator, fuel injectors and pressure regulator as an assembly. Remove accumulator, fuel injectors and pressure regulator from fuel rail.
To install, reverse removal procedure. Apply coating of engine oil to NEW "O" rings and install on accumulator, fuel injectors and pressure regulator. Install accumulator, fuel injectors and pressure regulator into fuel rails. Ensure injector alignment tab is aligned to notch in fuel rail. Ensure insulators are pressed in fully and not twisted or bent. Tighten fuel rail mounting bolts to specification. See TORQUE SPECIFICATIONS .