my buick century has an external temp read out that says its 8 when its 90....?

Carin

New member
...only blows hot when you need a/c whts up??
the external read for the heater-a/c says its 8 degrees out when its really 90. so, when you turn on the a/c it only blows hot air. I want to know whats up because paying for diognastic is expensive. I just had the thermostat replaced and that costed me 122.00
 
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