I have the 4 cyl. it has 130,000 on it. I did the usual things first, new plugs, wires, and fuel filter. the problem remained. I just changed the temp sensor cause it was the cheapest and easiest to do. It seemed to help but no more stalling at cold idle, but the car still seems a little sluggish. I'm going to try the cleaning method mentioned by marc780
Thanks so much, your description is clear and it sounds easy enough to do, much better than buying parts and hoping to hit on the right one. I will do it this weekend and let you know how I made out