Multiple Choice
Fuel injector firing is being discussed. Technician A says SFI systems control each injector separately so that it fires just before the intake valve opens. Technician B says sequential injector firing is more accurate than multiport systems. Who is correct?
A) A only
B) B only
C) both A and B
D) neither A nor B
Correct Answer:

Verified
Correct Answer:
Verified
Q67: Technician A says the computer uses the
Q68: Define fuel injection.
Q69: Technician A says when the ECT sensor
Q70: Explain how the computer controls the air/fuel
Q71: In _ systems, the injectors are grouped
Q73: In a GDI system, the fuel is
Q74: Bottom-feed injectors used in throttle body injection
Q75: A fuel injection system that uses a
Q76: PFI systems use at least one injector
Q77: If the throttle is held wide open