After several miles, your car will start missing, better to go ahead a drain it.
It starts running bad and changing the fuel fixes it.
smell,color ,siphon into clear jar water will separate from gas.
No. But you may be out of gas and not know it.
When the mass air flow sensor is bad you will have a rich smell in you car. Additionally, your car will consume more gas as you drive it.
how did u know if your car is empty gas
if it is a four stroke car then yes very bad and i don't know of very many 2 stroke cars out there so chance are slim its good that's for sureMixing oil and gas in your car will not have any permanent effects if you do it once, but continuing to do so can cause issues
It can.
Battery? / Alternator? It's bad gas?
depend on what kind of car it is
Yes.
yes
problem with timing belt 0r car is overheating check thermostat....bad gas /water in gas