1990 Ford Tempo Q&A
1990 Ford Tempo Question: 1990 ford tempo heating system
You may have a bad blower fan, can you check for power and ground signals to the blower motor? Use a test light or even better, a voltmeter. - Bret Bodas
O-rings in the quick connect fittings commonly allow refrigerant to leak from the AC System. The o-rings at system quick connect fittings should be replaced.