What is the high-pressure pump used for?
The high-pressure pump is located inside the engine and is activated through an intake cam. The pump receives the fuel at a pressure of about 6 bar and injects it into the ordinary pipe connected to the injectors.
The injectors dose and transform the mixture into steam inside the combustion chamber. The purpose of the injection is to obtain a higher torque which translates into an increase in efficiency and lower consumption in the case of the partial load operation.
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