Q: How to replace fuel injectors and Fuel Rail in a Nissan Murano?A: First, depressurize the fuel system and detach the battery. Also, detach the intake manifold as well as the fuel supply line and injector connectors. Pull off the retainer and injector from the fuel rail. If needed, remove the fuel pressure damper. Install the injector retaining clips and insert each injector into the fuel rail.