Hi there. This morning while driving to work, the air conditioner in my car was blowing hot air. Then as I neared work the fan suddenly dropped in speed then immediately sped up again. On my way home it was still blowing hot air. I left to go to auto zone, (who were no help at all) and while I was parked there after getting gas and turning off the car, all of a sudden the air started blowing cool; not cold, but cool. Of course. It's been doing this off and on very sporadically lately. I live in AZ and it is still in the high 90's. I appreciate any help you can give me. Thanks in advance.
My car has 79000 miles.
My car has an automatic transmission.
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