How can you get old gelled gas out of an automobile?

Answer 1

you probably have to pull the gas tank out and flush it out with gasoline or kerosene or something that will dissolve the gelled up gasoline. you might also have to somehow flush all the fuel lines or maybe even have to replace them, and also the fuel filter, and maybe even the injectors. if the car runs after re-installing the cleaned out fuel tank and filling it with fresh gas, i would run some sort of fuel system cleaner through it to try and clear things up (seafoam or anything similar to it). hope this helps