Ford fiesta 1.3 classic

[Ken12]

Hi,I've a 1997 ford fiesta won't start,weber carburetor petrol going to carburetor, if I put petrol directly into carburetor it will start for few seconds, fuses OK,just not releasing petrol into carburetor,,any ideas ,it's a 1.3 classic, same as 95 model, central fuel injection,,is it lacking current somewhere,