Running hot

Asked by May 13, 2019 at 03:51 PM about the 2011 Hyundai Elantra

Question type: Maintenance & Repair

Car running hot idle but when driving no issues i
did check fan it is running

2 Answers


When car is moving, you have air forced through the radiator. When standing still, at idle, ambient air is stagnant, and that's when you need the fan. It might be that you have a cooling system restriction somewhere, like an air bubble that prevents fluid from circulation properly. Or you have a problem with the thermostat. But you might have a fan that's not running well enough to cool the stopped car. There's a lot involved in the cooling system and you should have it checked to find the problem.

2 people found this helpful.

Also check the front of the radiator and air conditioning condenser for dirt and debris that can restrict the air flow at idle. It's definitely an airflow problem. Hope that helps! Jim

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