Understanding how the iac works and its common issues can save you time and money. Find out the causes, costs, and prevention tips for this common car problem. This is controlled by the engines computer. An idle air control (iac) valve regulates the engine’s idle speed by controlling the air flow into the engine. · the idle air control valve affects how your car idles. An idle air control actuator or idle air control valve is a device commonly used in fuel-injected vehicles to control the engines idling rotational speed. · idle air control valve troubleshooting can seem daunting, but it doesn’t have to be. This is needed to maintain consistent engine idle speed, and to adjust the engine’s air-fuel ratio. Browse parts by category and choose the replacement parts for your vehicle. · learn what an idle air control valve (iac valve) does and how to test it if it fails. Find deals on the replacement parts you need for your vehicle at amazon®. Heres everything you need to know, from how it works to replacement costs. Learn how to identify and fix a bad idle air control valve that causes rough idling, stalling, backfiring, and check engine light. Amazon. com has been visited by 1m+ users in the past month This guide will help you identify symptoms of a faulty iac and walk you through basic troubleshooting steps. · the idle air control valve — also known as the idle speed control valve — regulates the idle speed of your engine. In carburetted vehicles a similar device known as an idle speed control actuator is used. Find out the common signs of a bad iac valve, such as rough idle, check engine light, backfiring, and difficulty starting.
