1998 Other Opel Models car cuts out

Engine problem
1998 Other Opel Models Engine Size unknown Wheel Drive Type unknown Manual 280000 miles

Hi there I have a opel 1998 1300 utility bakkie and I dont know what the problem is. While I was driving the bakkie just cuts out and then I have to fiddle with the fuel thing and then the car starts again. Yesterday the car did not what to start again. Could this be a feul problem and wher do I start looking?