heating the car on 2002 Mercury Sable

What would be the problem if your heat is not heating up the car but it blows cold air.

Asked by for the 2002 Mercury Sable
1 answer
Verify that the engine is reaching operating temperature, if it isn't the thermostat may be stuck open. Here is some more info related to this issue: http://repairpal.com/i-have-no-heat-what-could-be-wrong