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Why A Hot Engine Is Hard To Start

A cold engine is extremely hard to start but it is even more difficult when it's too hot. Remember that sometimes everything that is too much is bad. When your engine gets hot and you're struggling to start it, don't panic. Below are some tips to help you solve that problem.

One of the main reasons why you encounter this difficulty is because of fuel-related defects. A fuel can't circulate appropriately when the engine is too hot because the vapor blocks it. To solve this, the best way to do when you are driving in hot weather is to just turn off the car and hang around a few minutes before starting it again. A fuel injected engine, however is an exception, for fuel remains inside the injectors by being under a very high pressure.

Another cause of engine failure when it is hot is when refiners change from a fuel blend to another. Gasoline refiners produce fuel with a  little lower volatility rating during hot weather because lower volatility fuel is less likely to boil and cause hot starting problems. If refiners change back to a higher volatility fuel while the engine is still in high temperature, it will evaporate the fuel in an instant. If there is an excess of vapor, the engine will be obtruded.

Hot engine starting issues can also be caused by a defective cooling system, which allows your engine to run too hot or excessive resistance in the starter motor, causing the engine to crank.

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