what can cause heat not to work? on 2005 Kia Sedona

My van has a separate heater control for the rear of the van, which works fine. The front however, blows out cold air at all speeds. I checked my fuses and they all appear to be fine, what else may cause this problem?

by in Rockaway, NJ on November 16, 2012
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1 answer
ANSWER by , November 17, 2012
I would check the blend door to see if it is working