Fuel Rail

WARNING: This page is about a different car, the 2007 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.

The fuel rail:

is the component that delivers high-pressure fuel from the vehicle fuel supply tube to the 6 fuel injectors.
consists of a pre-formed tube or stamping with one connector for each fuel injector.
has a mounting flange for the fuel pressure regulator.
has a fuel pressure relief valve for diagnostic testing or field service fuel system pressure bleed-down and mounting attachments which locate the fuel rail and provide fuel injector retention.