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!
Likely you need a new LP fuel pressure regulator. It has to control the fuel to the engine carburetor. At this time, it sees to not be doing that. Best to replace, than try to clean or repair.