Many possible causes, if engine light is on, scanning for codes will help lead you in right direction, if not check vac hoses visually paying special attention to air intake hose then check fuel pressure next step
the engine will seem to cut out or run really rough
You will definitely know if your truck jumps out of time. The engine will run very rough. The engine might not run at all.
YES!
No, on a fuel injected engine it can cause high idle speed.
Your air conditioning unit is going out, Which is connected to the serpentine belt which is connected to the pulleys on your engine which could cause your car to run rough. Also you need to either have your air coditioning unit removed or replaced because it could do serious damage to your engine.
because you have an engine misfire.most likely the DI cassette is faulty. (Ignition)
A bad fuel cap can make your check engine light go on. It shouldn't cause your car to run rough or die.
incomplete combustion of fuel
becuase the bolts and everything really loosens up
Yes it can
No, but it will ruin the engine from lack of lubrication.
It absolutly can. if the tank was not filled up prior to to sitting condensation will form causing water to mix with fuel. even a small amount of moisture can cause the engine to run rough.