Answer :
Final answer:
The fuel rail is the component in a rail fuel injection system that stores excess fuel and helps maintain consistent pressure to the injectors.
Explanation:
In a rail fuel injection system, the component that stores excess fuel and helps maintain consistent pressure to the injectors is the fuel rail (b). The fuel rail is designed to have a high level of fuel available, which is held at a constant and high pressure. This high pressure is crucial because it allows for a better atomization of the fuel, which in turn provides a more efficient combustion process within the engine. Other components such as fuel filter, fuel pressure regulator, and high-pressure pump play different roles in the fuel injection system.
The fuel rail is a metal tube that holds the fuel and distributes it to each injector. It acts as a reservoir, ensuring that fuel is readily available to the injectors at a constant pressure.
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