car struggling to start when warm

Difficulty in Starting a Car Engine. Dealer says its a sticking check valve on the fuel pump assembly requiring replacement of the whole assy.

How To Stay Warm In Your Car If You Re Stuck In A Winter Storm Winter Storm Preparedness Storm Preparedness Winter Storm

This can be a cause of the hard starting when warm.

. If your engine gets too hot certain vapours can cause obstructions which can make it harder for fuel to circulate. A car engine would keep on gaining temperature until a while after it was shut off. When the engine is cold the air fuel mix enters the cylinder and is compressed and ready for ignition cold fuel cold air cold cylinder lower compression.

It doesnt stop it from starting altogether but it can cause difficulty in some cases. You have said the engine overheated at one point. When the engine is too hot fuel cant circulate properly due to the way in which vapor obstructs it and therefore the engine wouldnt start as easily as it should or it wouldnt start at all.

Answer 1 of 11. When I go somewhere and shut it off sometimes it wont resatrt. When i start my car for the first time during the day- I have no problem.

Make sure you give it a chance to get going. This isnt really a problem with newer models as most new cars are fitted with fuel injectors. 1 What to do when a hot engine is hard to start.

This happens if the engine is extremely hot. Since the engine is still technically cold not at operating temps and the only thing that should be warmer is the ambient air temperature. If your engine is sluggish due to the cold it may take a little longer to start than usual.

You need to keep the fuel tank full or at least half full during the colder months. Car takes multiple tries to start when the engine is cold. Technically the car still should start as it was when it is a cold morning.

A failed cold start valve will keep your car from starting when the engine is cold. On a hot day when it doesnt want to start to check to see if it getting spark and the proper amount of fuel. Cold batteries simply dont produce the same amount of power as warm batteries and this effect can lead to starting issues.

Below we list the four main reasons for winter starting problems. This of course will make it more difficult for your car to start. 2013 Hyundai Santa Fe w20T 64k miles.

Give Your Car a Chance to Start. When worn they can get out of resistance spec from the internal wires developing an open condition that gets exacerbated when the engine is warm thus demanding too much current to jump the gaps to fire which would also cause a warm start issue. You may also have a slow to start car due to a worn starter a common issue that will give you trouble namely that your car wont turn over.

Dont let the name fool you it can even malfunction when its warm. Starting problems when hotcold are usually the engine temp sensor which is also in the back of the head. Faulty Cold Start Valve.

Car will sometimes not start after warm. If the car starts realitively easy. Low Level Of Fuel.

Turn the ignition and. Avoid using cruise control in slick conditions and avoid making unnecessary lane changes which increase the chances of hitting patches of ice between lanes This story originally published in January 2019. Warm start problems as opposed to no-crank problems which are caused by other issues are usually something electrical fuel pump ignition module crank position sensor most often.

Precaution is key during snow days. A bad injector can throw the entire fuel system off and keep the engine from firing especially when the engine is warm. Try starting your car next time holding the gas pedal down like wide open.

Most of the causes are fuel related problems. It can also be down to the engine heating up the injectors. You more than likely have a leaky fuel injector.

Fuel cannot circulate well due to the way in which vapor blocks it. In worse cases it would not start at all. It is simply heat expansion.

On this community episode Ben and Russ trouble shoot why Davids 1994 Volvo 850 Turbo Wagon has trouble starting when its warmSubscribe. Car batteries produce less electrical current when its cold due to the chemical reaction being slower than on a warm day. - 800 not under warranty.

A shop might be able to set you up so you can test for spark yourself when it happens. Slow down and allow three times more space than usual between your car and the one ahead said Ruud. Its easier for the low temperature to.

6 Things That Cause Car Hard To Start. If theres nothing wrong with your coolant levels your motor oil or your battery and your car still wont start in hot weather it could indicate a deeper issue with your engine. Take a empty soda bottle fill it with 14 cup of cold water put the cap on and shake it.

It doesnt seem to matter what the weather is outside it ju. As a result the engine would not start as easily as it should.

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