Question about 2001 Hyundai Elantra

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Heater not warming up during idle

The heater works when the car is warm and the car is being driven, once I slow down or stop the heat won't blow heat only cold air. Any idea's?

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  • Anonymous Mar 17, 2009

    I have the same problem - any ideaas?

  • Anonymous Mar 30, 2014

    Flushed out radiar, changed thermostat, and my car is still blowing out cold air?

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  • Master
  • 507 Answers

Check fluid level, sounds low. if that's not it, sounds like a clog in the heating system or pump going bad.

Posted on Mar 02, 2009

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