Fuel Rail Assembly

The fuel rail assembly attaches to the engine intake manifold. The fuel rail assembly performs the following functions:

Fig 1: Fuel Rail Assembly

Courtesy of GENERAL MOTORS CORP.

• The fuel rail positions the injectors (1) in the intake manifold.
• The fuel rail distributes the fuel evenly to the injectors.
• The fuel rail integrates the fuel pulse dampener (2) into the fuel metering system.