What component pulses the fuel injector on most vehicles?

[LaDunn]

Question 1

Throttle-body fuel-injection systems use what type of injector driver?
◦ Peak and hold
◦ Saturated switch
◦ Pulse-width modulated
◦ Pulsed

Question 2

What component pulses the fuel injector on most vehicles?
◦ Powertrain control module (PCM)
◦ Ignition module
◦ Crankshaft sensor
◦ Both B and C

[jjorrostieta]

Answer 1

Peak and hold

Answer 2

Powertrain control module (PCM)

[LaDunn]

Thanks for the timely response, appreciate it

[juliaf]

Wow, this really help