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Any time a vehicle runs "hot", that in itself is a huge issue. The vehicle may-- or may not--- restart once it cools off. However, excessive heat in an engine means (A) something bad already exists and (B) the longer the engine runs while excessively hot, the more damage is being done! Never ever run or drive a vehicle with signs of it overheating!

You may not have any radiator fluid / water left. Let the engine cool completely before checking the radiator!

You may not have any oil in your car and the engine might have locked up, in which case the only real fix unless you are good with engines is to buy a new car or engine.

There is also the chance that you blew out the fuses to your starter or ignition.

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Q: Why car wont start after running hot?
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