Efi System Install Idle Air Control Sensor
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At the rear of the throttle body we plugged in our Idle Air Control (IAC) sensor. The IAC is an electrically operated stepper-motor that allows air to bypass the throttle plate. It’s designed to adjust the engine idle rpm speed by opening and closing an air bypass passage inside the throttle body. The ECU receives information from various sensors and will output signals to adjust the IAC motor in or out to adjust engine idle speed. View Related Article
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