Silverado 3500 4WD V8-6.0L VIN U (2004)
Fuel Rail: Description and Operation
Fuel System Description
FUEL RAIL ASSEMBLY
The fuel rail assembly attaches to the engine intake manifold. The fuel rail assembly performs the following functions:
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Positions the injectors (3) in the intake manifold
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Distributes fuel evenly to the injectors
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Integrates the fuel dampener (2) into the fuel metering system
