what would cause only cold air out of drivers side vents. on 2006 Kia Amanti

Temp is set at 65 deg. Heat comes out of Passenger side and rear vents. Blower appears to work fine.

by in West Townsend, MA on February 19, 2013
3 answers
ANSWER by on February 19, 2013
seek diagnostic, it could be the blend door switch
ANSWER by on February 19, 2013
Turn temp. up! Dual climate control? Drivers side is colder as it is further from heater core. My opinion only, i could be wrong. Can't be that many BLEND DOOR problems!
ANSWER by on February 19, 2013
blend door issue seek diag from your mech