Small Engine Troubleshooting Problems? Ask a Mechanic Now.
That would be the fule pump, a pulse pump. Remove the line at the carburetor and see if there is fuel flowing when you crank engine. If there is fuel to the carburetor, check the fule solenoid in the bottom of the carburetor. This solenoid plugs the main jet in the carburetor.
I see question is still open, did yo see my response? Was fuel pump working?