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 a single preformed tube with four injector connectors, a mounting flange for the fuel pressure regulator and mounting attachments that provides 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.