Author Question: Technician A says that vehicles with electronic returnless fuel systems use pulse width modulation ... (Read 87 times)

ARLKQ · **on:** Aug 13, 2021

Technician A says that vehicles with electronic returnless fuel systems use pulse width modulation to power the fuel pump and maintain fuel pressure. Technician B says that the electronic returnless fuel system uses a power transistor to control the fuel pump. Which technician is correct?
◦ Technician A only
◦ Technician B only
◦ Both technicians A and B
◦ Neither technician A nor B