fuel problem on 1992 Volkswagen Cabriolet

I, was low on gas, put3gal in. drove 2 miles car lost power.Restarted it,won`t take gas when pumping pedal.I think bad gas possible. What do you think?Changed fuel filter, already.

Asked by for the 1992 Volkswagen Cabriolet
Need a tech to attach fuel pressure gauge and see what the pressure and volume is.