airconditioning on 2000 Mercury Sable

the electronic air control system will not allow me to turn off heat the system shows max a/c 60degrees and the compressor is running with the right pressures all I get out of vents is extreme heat any help bing

by in Greenwood, IN on June 01, 2009
1 answer
ANSWER by on June 03, 2009
These electronically controlled systems can be affected by a mechanical or an electrical failure, and it really takes a trained technician to be able to address this. It can be something like a broken blend air door or a faulty temperature sensor, but determining that is the real difficult part.