Ok, yesterday I started my Pressure washer and started going to town. After about 20 minutes, it shut off. I restarted it and it went about another 12 minutes. I kept doing this until finally, it would not stay running. So far, I have replaced the spark plug (correctly gapped), air filter, new(fresh) gas. I took the carb off and totally cleaned it with carb cleaner. Now, it will only start with starting fluid and won't stay running. I have looked at the gas cap to see if there may be any debris in it, but it is clear. Any help would be greatly appreciated!!!