I was mowing and it just died. It was like it ran out of gas. I looked and I had a third of a tank. From that point on it would only run if I sprayed gas in the carb. When I do it right it runs at an idle speed only. It is not getting gas to the jets in the throat of the carb. I replaced the carb with one I know works, but the same thing happens. So far at least 3 experts including Briggs & Stratton techs are baffled. It is a YT3000 Sears with a 21 horsepower engine and 46 inch cut. Thanks.
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Perhaps you need a new fuel pump.
Some gas lines after exposure to ethanol will pinch under even the slightest vacuum. Replace the fuel line.
Check all the fuel lines to the carburetor. If those are good, then check the fuel pump.
All that has been done all my info says ethanol gas causes problems and no fuel is coming out of the jet other then that its all flowing great also even when I spray gas I can't get past a fast idle.
I would suggest starting off by downloading the YT 3000 operation manual. Here they have a help section and a carburetor design. It seems you are having an issue with the ethanol gas. I would start by taking my carburetor apart and giving it a good cleaning. You could have a stuck valve inside the carburetor that isn't allowing the gas to flow freely. You might need to replace your fuel jets on the carburetor. Here is the manual you can download online:
Jets are all clear. I have replaced the carberator coil gas and spark plug. It will start and run smooth at idle speed as long as I spray gas in the throat of the carb.
Check your wires , that plug in to bottom of carb. That allows gas to go in it might need pushed up to plug in properly . Try that and hopefully that fix your problem .
It seems you have tried everything the experts instructed you to do but nothing worked - have you talked with the Sears Service Center about this problem? I know they have always been helpful with my problems and usually have suggestions to try (given over the telephone) but its for sure they should know more about your mower even if others have failed.
Did you also replace the fuel lines and the filter? If not, replace those fiirst before thinking about the fuel pump.
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