Low Idle speed

Hi all, I'm new to the Mirage side. I have a 98, 1.5L motor that idles down and dies out after you rev it up. it also will slow idle and stall in traffic. I've experienced this with an Astro and it was the EGR valve. No big deal fixing that. Where is the idle air controller on this thing as I think that might have something to do with it since I've dealt with that on Fords.
Thanks