Why does the heat/defrost in my work on driver side and is cold on passenger? on 2005 Kia Amanti

I see this question is normally reverse...It is warm on driver...Like A/C on passenger

by in Sylvania, GA on November 15, 2012
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1 answer 1 comment
ANSWER by , November 15, 2012
one of the blend doors is not working, there should be a code to tell you which one.
COMMENT by , November 15, 2012
Thanks for the help