Fuel Rail Assembly

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Fig 1: Identifying Fuel Rail Components

GM682635

Courtesy of GENERAL MOTORS CORP.

The fuel rail assembly (1) attaches to the engine intake manifold. The fuel rail assembly performs the following functions:

Positions the injectors (5) in the intake manifold
Distributes fuel evenly to the injectors
Integrates the fuel pressure regulator (10) with the fuel metering system