The idle air control (IAC)assembly on a GM TBI or PFI system is a/an _______________.
A)Stepper motor
B)Stepper solenoid
C)AC motor
D)Permanent magnet motor

Name: The idle air control (IAC)assembly on a GM TBI or PFI system is a/an _______________. A)Stepper motor B)Stepper solenoid C)AC motor D)Permanent magnet motor
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Question

Quizplus · Accepted Answer

The idle air control (IAC) assembly on a GM TBI or PFI system is a stepper motor, which precisely controls the amount of air bypassing the throttle plate to regulate engine idle speed.

The Idle Air Control (IAC)assembly on a GM TBI or PFI