Chrysler calls theirs an automatic idle speed (ais) motor while ford refers to theirs as an idle speed control (isc) solenoid.
Download Signs Of A Bad Idle Air Control Valve
Images. The idle air control valve is responsible for managing the engine idle speed. Classic symptoms of a clogged iac are a rough or unsteady idle, and stalling if the valve passage gets too clogged or the valve fails outright.
Problem Idle Surge from www.aa1car.com
Common signs of a failing or bad idle air control valve include irregular high idle speed, breaking when idling and the check engine light turns on. As you can imagine, a bad or failing idle air control valve will cause the engine to act erratically by affecting the idle speed and often times causing the engine to cut out entirely. The duty cycle frequency of an idle air control valve solenoid is about 100 hz, other motor management systems can have different.
I feel fairly certain that the idle air control valve is causing the problem.
I recently cleaned out the valve using carb cleaner. The idle air control valve is responsible for managing the engine idle speed. The check engine warning light stays on. 3 generally, it is used to control and 6 the faulty idle control wave of your car are giving lots of warning signs to letting you know that it needs a replacement immediately.
