idle valve is on the top of the engine held on by two bolts it is called an iac valve. it is about 5 inches long and has a plug with only two pins in it
A vacuum leak or a faulty IAC (Idle Air Control) valve.
maybe the valve timing is a little bit out
go to autozone.com
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.
There is no idle screw. The idle air control valve controls the idle and can be set on different settings. You should consult a Ford dealer or mechanic for proper settings.
idle air control valve error.... try to clean it up
You have an idle air control valve and you also have a throttle position sensor. They are both located and the throttle body.
where is the idle control motor for a 1998 ford escort
the iac valve (idle air control) is located on top of the intake manifold ,right before the throttle body.
It is located under the intake manifold between the engine and the firewall.
Check Related Link below. It shows you a picture too.
When the AC is on most vehicles increase the idle speed. That can often mask the problems that cause rough idle. The primary suspects are: EGR valve, tune-up, sticky or plugged injectors and valves.