The high-pressure fuel pump used in gasoline direct injection ...

[acc299]

Question 1

The high-pressure fuel pressure is regulated by using ________.
◦ An electric pressure control valve
◦ A vacuum-biased regulator
◦ A mechanical regulator at the inlet to the fuel rail
◦ A non-vacuum-biased regulator

Question 2

The high-pressure fuel pump used in gasoline direct injection (GDI) systems is powered by ________.
◦ Electricity (DC motor)
◦ Electricity (AC motor)
◦ The camshaft
◦ The crankshaft

[cswans24]

Answer 1

An electric pressure control valve

Answer 2

The camshaft

[acc299]

Thanks for the timely response, appreciate it

[Joy Chen]

Gracias!