Idle Air Control Valve
An idle air control actuator or idle air control valve, otherwise known as an IAC. Is designed to control engine idle speed in fuel injected vehicles. In carburetted vehicles a similar device known as an idle speed control actuator is used.
The IAC is an essential part of the engine management system and is controlled by an input signal from the ECM. This signal allows a measured amount of air to bypass the throttle plate when it is closed which enables the ECM to accurately control the idle speed of the vehicle’s engine.
The IAC adjusts to the specific requirements of the vehicle such as during start up, cold start, engine warm up, additional electrical loads, deceleration, air conditioning and automatic transmission use.
Signs of a faulty IAC include the vehicle being unable to maintain proper idle, vehicle stalling or no engine idle at all.
Goss IAC's are sourced from many of the world’s leading OEM suppliers, and are backed by 12 months warranty. Offering the aftermarket a true genuine alternative
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