Fuel Rail: Description and Operation

Fuel Supply Manifold:

PURPOSE
The fuel supply manifold delivers high-pressure fuel from the vehicle fuel supply line to the fuel injectors.

CONSTRUCTION
The assembly consists of two preformed tubes, one for fuel supply and the other for fuel return. The fuel supply manifold assembly has six injector connectors, a mounting flange for the fuel pressure regulator, and mounting attachments to provide fuel injector retention.
The manifold is also equipped with a fuel pressure relief valve for diagnostic testing or field service fuel system pressure bleed down.