When I run my heater or defroster there is nothing but cold air that comes out on the drivers side. The passenger side has warm air coming out of the vents but not the driver side. Any ideas what is the problem.
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2001 Mitsubishi Eclipse
Answer #1patrick mannion from Greg Solow's Engine Room, February 05, 2010, 09:29Master
There may be a restriction in the air ducts (we see a lot of mice nesting this time of year particularly if the car has been parked for a longer period of time). It may be as simple as an air duct that has become dislodged particularly if someone has done any electrical work/ replaced the stereo ect.... behind the dash. It may also be due to a control (either electrical/vacuum operated flap, or a control cable) that has failed.
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