Phantom AC in '99 Taurus SE wagon...........
We have a '99 Taurus SE wagon with Electronic Automatic Temperature Control (EATC). On hot days, after starting and going, with the control on auto and the temp set to say 74-76 degrees, the fan speed will ramp up as it should and the AC blows cold air - again, as it should. After maybe 15-20 minutes, the fan continues to blow but the AC "dies" and just blows air. There is a smell that accompanies this that I would call "a humid" smell.
If left alone, after some time, the AC comes back blowing cold air, but will stop again with no change in fan speed. And the interior cabin temp gets hot.
In July 2005 a dealer in Delaware witnessed the problem and replaced the EATC module. That seemed to fix it. but now the problem is back! Do I need to replace the module again? These things aren't cheap.
Thanks in advance for any and all input.