Rough running engine-yes, since timing may be off but that's easy to check. Deiseling is usually fuel delivery or alternator not shutting down, possibly a coil problem.
If the valves are incorrectly adjusted it will hurt performance.
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.
if you have a carborator, it may have to be adjusted
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.
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.
Yes, and disconnecting the battery while the engine is running can severely damage the computers