Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Welcome to JUST ANSWER small engines, let me try to help you !! I don't know it all, but maybe together we can get you a satisfactory answer!
See the above link, # 6 is a suction tube in the fuel tank, and is held in pace with a grommet. This tube may be leaking or loose. It has to be vacuum tight, from tube, to the fule pump inlet.
I see question is still open, did you find fuel problem?