WHY DOES THE INTERIOR HEATER BLOW COLD AIR WHEN ...

  • Tiny
  • Anonymous
  • 2006 Mazda 6
  • 72,000 miles

Why does the interior heater blow cold air when car is idling but gets warm when brought off above idle about 2,000 rpm?

Wednesday, December 26th, 2012 AT 3:03 AM

1 Answer

  • Tiny
  • KHLow2008
  • Expert
  • 41,976 posts

Check the thermostat, coolant level and heater core for clogging.

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Wednesday, December 26th, 2012 AT 2:14 PM

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