1991 Ford Tempo Repair Question
Ford Tempo Heater Problem
Chances are it is a vacuum hose. If it dealt with the heater, it would most likely be leaking coolant. If you can upload a pic, it would help.
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describe heater not working? vacuum operated controls get vac feed from small hose with plastic line 1/8 inch down behind intake at firewall. that hose you describe sounds like pcv hose..is it left or right of oil cap?
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