Welcome to my Idle Speed Control (ISC) Test/fix page

Let's talk about symptoms:

If you have any of the above symptoms you MAY have a Bad ISC. I am going to show you where it is (ISC) and how to test it. You will only need your hands and a Multimeter to test it.

    The ISC is located underneath the Throttle Body, on the back side.

Testing this thing!

This is a pretty simple process: