Answer :
Final answer:
The high-pressure pump is responsible for pressurizing fuel in a common rail fuel system.
Explanation:
Fuel System Components
In a common rail fuel system, the component responsible for pressurizing the fuel to high levels is the high-pressure pump. This pump draws fuel from the fuel tank and delivers it at a high pressure to the fuel rail.
Fuel Filter and Fuel Pressure Regulator
The fuel filter is responsible for removing impurities from the fuel before it reaches the high-pressure pump, while the fuel pressure regulator controls the pressure within the fuel rail, ensuring it stays within the desired range.
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