The presence of black smoke from exhaust when engine is first fired.That sign could also be an engine running too rich.
If your talking about cars... If you smell a burning smell, or your red battery light comes on then i would get your alternator checked out!
You hear a KABOOM
A car is a thing they fill with gas that moves them from point A to point B. ... Specifically, an internal-combustion engine is a heat engine in that it converts energy from the heat of burning gasoline into mechanical work, or torque. That torque is applied to the wheels to make the car move.
We now know that cars run by burning oil release carbon dioxide emissions that are causing global warming and climate change.
i would see if you need a starter i would let someone that you know that know how to work on cars look at it or take it to a good shop because some shops don't know what their doing
If the converter is stopped up your engine will not run. cars that have a converter stopping up will have a different burning type smell. When you get your emissions checked, one of the items that is checked is the converter.
engine burning oil( white or blueish exhaust smoke ), water in oil, oil in water, water in exhaust.
Need to know the year of engine to answer correctly.
All engine coolant is roughly the same but some are advertised for performance cars.
the basic understanding of the conbustable engine
If you know some of the basics on cars and know how to do like engine work or transmission work, you should not have a problem. I would suggest you go to a professional though.
I would to know too. Somebody know