Search results
Dec 4, 2020 · The idle air control valve controls the air needed to maintain a steady idle speed. It essentially acts as a bypass of the throttle body plate. The solenoid in an idle air control valve...
Find out how to recognize symptoms of a faulty idle air control valve (IAC valve), diagnose the issue, and replace it effectively with AutoZone.
Mar 21, 2018 · Most modern engines use the idle air control (IAC) valve to stabilize the engine speed when the engine is at idle. If it goes bad, your engine may run rough or stall. Here's what to do.
Feb 12, 2023 · Symptoms Of A Bad Idle Air Control Valve (IAC) The most common symptoms of a bad idle control valve are rough idle and a check engine light on your dashboard. You may also notice fluctuating idle speed or a stalling engine on idle when your IAC valve is bad.
Mar 31, 2024 · The valve is usually connected to the throttle body, next to the intake manifold. But, it is the engine control unit (ECU), that manages all the functions of the (IAC). Based on the information it receives, like engine load and temperature, it will change the speed of the idle accordingly.
An aftermarket IAC valve from AutoZone can properly distribute the amount of air flowing into your engine, ensuring a well-operating and efficient ride. Shop for an idle air control valve at your local AutoZone store or online, and benefit from our customized selection.
Jun 13, 2024 · The idle air control valve — also known as the "idle speed control valve" — regulates the idle speed of your engine. This is controlled by the engine's computer. Sometimes parts go bad, which results in your car idling strangely or stalling.
- 1.2M
Nov 25, 2020 · The idle air control valve, also called the IAC or auxiliary air valve, bypasses the closed throttle plates to help ensure that the engine doesn’t stall. Depending on its design, the IAC valve may be part of, attached to or separate from the throttle body.
The IAC actuator is an electrically controlled device, which gets its input from the vehicle's engine control unit (ECU). The actuator is fitted such that it either bypasses the throttle or operates the throttle butterfly valve directly.
Apr 22, 2016 · An idle air control valve is found on most fuel injected engines without electronic throttle bodies. This video explains what the idle air control valve does, how it works, and what it...
