Air blows hot and car idles down and up when stopped on 1999 Mazda 626

A/C runs fine when driving, but blows hot and idles down when stopped. Any Suggestions?

Asked by for the 1999 Mazda 626
1 answer
The system may be low on refrigerant or the cooling fan may be inoperative. Check the fan operation first, then have the refrigerant system checked.