How to Check an Idle Air Control Valve?

Answer The idle control valve in your vehicle is mounted on the throttle body and controls the air flow into the engine from around the throttle body. The valve, as the name suggests, controls the idle. W... Read More »

Top Q&A For: How to Check an Idle Air Control Valve

GM Idle Air Control Valve Problems?

A driver can noticeably hear their car's idling while the vehicle is stopped. If there is a change to the idling speed, like with a GM vehicle, there are ways to diagnose the problem.

How to Fix the Idle Control Valve in a Cadillac?

The idle control valve on a Cadillac compensates for changes in the required air-fuel ratio of the engine by allowing more or less air into the engine. When the engine needs more air to raise the i... Read More »

What is an idle air control valve?

The idle air control valve, or IAC as more commonly known, controls the idling speed of your vehicle's engine. If your engine seems to go up and down at different RPMs while idling, the IAC may be ... Read More »

How to Replace the Idle Air Control Valve?

The idle air control valve in your vehicle is a very important component in maintaining the vehicle's regular idle speed. The valve, commonly referred to as the IAC valve, controls the idle speed b... Read More »