The Idle Control Valve does just what you are talking about. It did in mine.
Don't know about whether you have fried it or not , but with the valve off the car - cleaning it with carburator fluid helps( shaking and then dumping the fluid), then applying some WD40 - a trick I learned here on the forum and works great.
I imagine you could do The DW40 with the valve installed - just remove the hoses and squirt some in....
Hope this helps
PS. I am real curious - was the shoes thing diffcult to get used to ?