Ford Repair Questions? Ask a Mechanic for Answers ASAP
Hello, does it have the 4 or 6 cylinder engine?
Thanks, it's likely one of two things
1. The refriferant level is too low and at high RPM the low pressure switch is cutting the compressor
2. The vacuum check valve located near the underhood vacuum reservoir is bad. at higher engine RPM the reservoir holds engine vacuum to operate the air doors, if the check valve is bad the door will move due to the low vacuum and blow warm
I would have the freon checked to begin. An outlet temperature of 48 is too high for a properly charged system. It should be 36-40 degrees.