I have 1993 Diamante LS. It is having high idle problem (around 2200 rpm). A friend recommend cleaning the throttle body and replace idle air control valve. I bought the iacv part but donot know the exact placement or location of the part on the car. Could someone please point me to the location and any suggestion on what to look for when replacing the iacv, thanks

 

It should be right on the side or on the botton of the throttle body.

 

Trying to picture it in my head but if you set the new aicv to look just like the old one you should be close to the oem setup.