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1999 Ford Taurus Question: heater problem

 

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Visitor, 3.0L V6, Richwood, OH, January 23, 2011, 18:10

I have a 1999 taurus, I have no heat. It will get warm when idoling on the vent setting, but when driving have no heat at all. Think maybe heater core but not sure.

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  • Answer #1

    Brian Glastetter January 23, 2011, 21:03
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    A quick method to tell if you have coolant flow through the heater core is to feel and compare the temperature of the inlet and outlet heater hoses. A clogged heater core will have only the inlet hot or warm. A stuck open thermostat could also create this concern.

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