Add 1 bottle of ordinary rubbing alcohol to the tank. If The Bad gas is just gas that has water in it, then the alcohol will allow the water to "burn" with the gas.
== == The best way to do it is kind of a pain. Take the tank off and dump the bad gas out. While the tanks off would be a good time to flush it out too. You can use a ordinary garden hose and siphone the gas out of the tank.
It can.
Battery? / Alternator? It's bad gas?
It starts running bad and changing the fuel fixes it.
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
Could be water.
smell,color ,siphon into clear jar water will separate from gas.
bad fuel pump, no gas in the tank, pluged fuel filter.
The fill valve has gone bad.
It depends on what is wrong with the gas. It probably won't.