Let me tell ya'll what I found. I just got my KIA manual on CD today and its not of much use. Mine is a 95 and must be the odd ball sort (my luck). Anyways, here is what I found. Last night I pulled the Kia in the basement and checked all the wiring connectors on all that I could fathom having anything to do with the engine electric. On mine there is a device coming off the evaporative fuel canister that is called a two-way check valve. This is shown on my vaccum diagram, but what is not shown is the two wire connector going to it. I unplugged the connector and it was all green inside. I removed this check valve and cleaned the conections and put a meter on it and it read about 45 ohms. I blew through it, no change, stopped up first one end , then the other and blew into it and no change, sucked on it no change on either end. So, what the heck was the connection for. I got and idea, since my problem was cold related, I decied to heat the valve. I used a heat gun and in a few seconds the resistance went form 45 ohms to nearly 60, so this is some sort of temperature sensor and with a bad connection the resistance would have made the ecu think that the motor is hot. I cleaned it back up and put it back on plus checked some other hose connections. I'm thinking this must be it. I'm working a night shift, its 37 outside right now so I will try it when I get home. Wish me luck.