The Idle Air Control (IAC) valve is mounted on the throttle body
idle air control valve?
The idle control valve on a1999 Ford Expedition is on the upper part of the engine by the throttle body and fuel injection.
The idle air control valve on a 1990 Ford Escort is located on the intake manifold. An idle air control valves function is to control the amount of air that is allowed to enter the engine so the idle can stabilize.
You don't. The idle speed is determined by the on board computer and the idle speed control (ISC).
iac valve...idle air control valve
The idle control valve is mounted on the side of the throttle body. Carbon building up in the valve will cause the engine not to run properly.
on the intake
its on the throttle body
go to autozone.com
remove it from the engine
no.fully unajusteble