Question about 2002 Ford Taurus

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My air and heat will nto work on low only if it is

My air and heat will not work on low only if it is full blast, does anyone know what might be worng and how much should it cost. Thanks Cynthia

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  • David P May 11, 2010

    Is the fan/blower only working on high speed? If you turn on the heat at low fan speed can you feel the warm air at the vent, but no blow? If this is the case it could just be your fan speed regulator.

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More then likely you have a bad blower motor resistor, this is a part that has three springs in it and a four wire harnness going to it, one spring very thick for high speed, one a little thinner for middle speed, one very thin for low speed, sit under the dash passenger side. This repair should be under $100.00 at a repair shop and do it your self under $40.00. Good luck, hope this was very helpful.

Posted on Dec 11, 2009

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