Lol everything! When you run an engine without sufficient engine, all the moving parts get hot and wear increases. And this may cause distortion from the extreme heating and cooling of the moving parts. Distortion means they are not the right shape and so it grinds as it tries to do what it used to.
ok ,you must be on about turning the key with the engine already running ,,once or twice you would get away wit ,as a rule you shouldn't have caused no long term damage
No. It is illegal, will cause a check engine light and running problems.No. It is illegal, will cause a check engine light and running problems.
Running out of gas my certainly be a cause for the check engine light to come on. It could also be an assortment of other issues.
An engine usually has a higher idle speed when the ac is running. If the high speed idle does not operate then the ac will cause the engine to stall.
Not having one, will allow particles in and effect your engine and cause damage and cause your engine to stop running. It can also be dangerous and cause an engine fire.
The noise is the teeth on the flywheel grinding on the teeth of the starter. Check to see if the starter is loose, this is the most common cause of that noise.
What would cause a grinding noise after a tire is replaced and the brakes are not worn?
Moisture in the exhaust, or a cold running engine.
Crank angle sensor
No it will not. YOU have another problem.
You've run out of fuel...
No, but it can cause severe engine damage if you keep running the engine.