car hard to start when warm
An in between stop when it is hot I usually have to hold the pedal down to get it to start and even after starting if I am going slowly like through a parking lot it might stall. Car will keep running for long miles smoothly if dont shut off the engine.
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It can also be from a failing positive battery cable that has a lot of internal resistance.
. Its been 2 months over and over tested that in the warmed up condition loose the fuel valve top of the fuel filter a little gasoline spill put the ignition key to ON position dont see any more gas spill. And one of the first things you need to check when you have trouble starting your engine when cold is to make sure you have a charged battery. The car always starts fine in the morning and has never stalled in traffic.
Hot starting problems the car starts ok when cold hot starting problems have five principal causes. The engine requires the ignition switch to be functional for it to start and run properly. A short stop it starts fine.
In worse cases it would not start at all. As the brushes and the armature in the starter wear they begin to bind then the starter is hot causing this slow start. My car starts up fine when the engine is completely coldor completely warmed upbut when its in the middlelike parked for 30 min after drivingits really hard to start itthe engine crancks for 15 sec or more than it finally starts if u give it a little gasIt started doing that after i.
Fuel cannot circulate well due to the way in which vapor blocks it. Naturally a little longer idle time is okay in the winter while you clear snow and ice from the windshield and other car parts. Most of the reasons by which a hot engine would be hard to start are based on problems related to the fuel.
When i start my car for the first time during the day- I have no problem. There could be numerous reasons for a car not starting at low temperature. Then have the starter motor tested if necessary.
Most of the causes are fuel related problems. Answer 1 of 11. Before you condemn the starter as bad you should perform a system diagnosis of the battery cables and starter.
Most auto part stores will check the. A failing ignition switch will eventually stop working completely and will need to be replaced. Starting System And Battery.
Take a empty soda bottle fill it with 14 cup of cold water put the cap on and shake it. This is perhaps the most common fault to appear under this condition. Car will sometimes not start after warm.
Before you dive in too fast its also possible that the car has more than one thing causing a hard start. As a result the engine would not start as easily as it should. A long stop where it cools it starts fine.
If the engine is hard to start when hot check for corroded loose or damaged battery terminals first. Starting problems when engine is warm I posted this problem beforebut didnt get a definite answer. 1 What to do when a hot engine is hard to start.
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. Driving the car normally and avoiding hard acceleration brings the engine to a warmer temperature faster and also reduces wear and exhaust emissions said Cliff Ruud Managing Director of Automotive for AAA. Pouring wrong oil in your car is like feeding wrong food to a kid.
Car hard to start when warm. After the car is up to temperature and I shut it off brieflymaybe while Im putting gas in it or just stopping somewhere for a few minutesthe car is difficult to start. When I go somewhere and shut it off sometimes it wont resatrt.
High resistance in the cabling to the starter gets worse when hot high resistance equals lower voltage check and clean your connections and possibly replace the cables its a problem Ive known. Car wont start when cold but starts when warm. The ignition switch exists within the internal combustion engine.
Most of the time a diesel has a hard time starting when its cool. When they have a hard time starting when hot it is usually caused by the. It is responsible for starting the vehicles electrical components after you turn the key in the ignition.
However the car will sometimes not start after running errands over a few hours eg. I usually check the cable by doing a resistance and voltage drop test. 2003 Ford Focus automatic - 50K miles.
The car has been experiencing intermittent warm starting problems for about a year now in warmer 60F weather. Just wont start when hot but will start when cool. It turns over but grinds pretty hard and slow and doesnt want to fire up.
If your starter easily cranks a cold engine but drags or cranks very slowly when hot there may be a heat soak problem. One of the top reasons for having a car that wont start typically points back to the battery. Second possibility also has to do with the injectors.
This happens if the engine is extremely hot. What are these four reasons lets find out now. Inside the battery chemical reactions must occur for there to be enough juice.
Using the wrong oil. But the possibility of these four reasons is high. There are varied reasons why you may have a hard time starting the engine when cold or hot.
Going from store to store with about a 10 minute drive in. 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. Up to 8 cash back Hello.
When the temperatures dip down the chemical reactions happen slower. The most common cause of a slow hot crank is a bad starter. It doesnt seem to matter what the weather is outside it ju.
Plus the cold weather can make the dying battery fail even sooner. If the ignition switch is bad or worn out then your engine will be hard to start. Difficulty in Starting a Car Engine.
Checked EFI and Circuit Opening. 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. It is simply heat expansion.
Heat acts as an electrical resistance especially on bad connections. You may notice the starter motor not working as usual or weak. Check your battery first.
If I let the car set for maybe 15 or 20 minutes it will start up easily.
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