The snowblower will not run continuos. I take out the spark plug use an eyedropper and put gas in put the plug back an will run until the gas on the plug is gone. The plug is good. The gas in the tank is good. It did sit all summer with a full tank of gas. For some reason there is no fuel getting to the plug. Seems there may be something in the fuel supply system. I would like to fix it myself. Is there a procedure somewhere for this? Thanks. Al