Well, no. If you had alcohol in the gas, it is there to mix with the water and burn it through, which is why those bottles of "Fuel Dry" are nothing but bottles of alcohol...
Take off the air filter, am
and wipe off all of the loose dirt and then start the engine. If it runs better, then you need a new filter. Don't run it long or drive it with a filter, but just to see if it runs better or not.