Car suddenly started to miss on acceleration, cannot get this vw to move on 1995 Volkswagen Cabrio

Put $30 worth of shell gas into the car, ran fine b4, started to miss will not accelerate, rpm are thru the roof while changing gears cannot get to MOOOOve like it use to. Bogging down. granted not used much. Any ideas, sparks plugs, distributor, bad gas have a clue

Asked by for the 1995 Volkswagen Cabrio
scan codes and post so we can adv