What happens to my car on a cold start?

What happens to my car on a cold start?

On a cold start, where the car has been sat for some time the car will crank and start straight away without any problem. It will rev up on start and settle down as normal. You can rev the engine hard and it is smooth as it should be and you can drive it as normal.

Why does my car run rough after warm up?

But, (and here is the problem) once the engine starts to warm up a bit and the temperature needle starts to climb (gauge says 40) the revs suddenly drop off to around 500 from around 800 and the engine starts to tick over rough and run rough. Revving the engine hard doesn’t clear it.

Why does my lawn mower not start when it’s Hot?

Until it cooled off, it won’t start no matter what you do. Lots of reasons may have contributed to this problem but the main culprit is most likely the failing coil. It’s so frustrating when you checked the oil level, air filter, and so on but the lawn mower won’t start when hot. If you have a Briggs engine, you will face it a lot of times.

What happens to the engine when the engine is cold?

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. Take a empty soda bottle fill it with 1/4 cup of cold water, put the cap on and shake it up for about 3 seconds, now squeeze the bottle, it should squeeze in easily.

What kind of car does not start after warm?

Pontiac Grand Prix Questions – Car will sometimes not start after warm. – CarGurus Car will sometimes not start after warm. When i start my car, for the first time during the day- I have no problem. When I go somewhere and shut it off, sometimes it won’t resatrt.

When to restart a car with a temp problem?

If you pay close attention you will notice that when you make a short stop say 5 minutes that is when you have restart problems . As long as you hold idle for a few minutes with gas pedal everythings OK. I am almost certain a temp part is the problem. If my car sits 30 minutes or more never a problem. Any one witn addl thoughts. Please jump in.

Why does my Car start cold then warm?

When your car starts fine cold, then fails to restart while warm, it is usually a coolant system problem. Either low coolant, or bad coolant level sensor. 27 people found this helpful.

Why does my car restart when I Turn Off the engine?

The issue is this: When I take the car out for a ride, once the engine heats up, if I turn the engine off it will not restart. Or it’s very difficult to restart. Usually I have to wait for the engine to cool down before it will start again. Ocassionally if I hold the gas pedal all the way to the floor and crank the engine long enough it will start.

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