Report "My 5.5 hp tecumseh engine on my mtd snow thrower will not start it is about 4 yrs old. it is full of new gas and I took the cover off so could see down carb and pressed primer 3-4 times no fuel sprayed into carb. had aspray can of carb cleaner shot some into carb pulled it and engine ran about 5sec and quit I did it a couple more times but engine would not stay running. Any suggestions"