Mr. Detail--the engine sensor is clipped up in front of the radiator by the bottom of it. It looks like a two-lead connector that has come loose and is just hanging down, making you wonder where it clipped in to. On my 97 GLT it came loose from its little connector and was hanging down by the edge of the radiator, which gave me the same problem you have. You might have to pull the plastic catch pan off to look up there, but I seem to recall seeing mine hanging down by the bottom edge of the radiator without removing the pan. Can't remember where it was clipped in place, but you obviously don't want it leaning up against the radiator like mine. Check to make sure it isn't before exploring any further Dick