Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Hi, my name is***** will be assisting you.
You have fuel to the output side of the fuel pump but it is not pumping from there through the line to the carburetor. Have you checked to make sure that the line is not blocked? How old is the line? Sometimes the fuel lines can come apart internally and a piece of the line get turned in such a way that it will block the line and nothing can pass through it. The fuel pumps on these machines are very low pressure and would not force fuel paste a blockage like that.
It is possible that the float valve stuck momentarily and would not allow more fuel to enter the carburetor, at which point the fuel pump is a low enough pressure that it would not push the valve open. I have seen this happen several times over my twenty eight years of experience. Has it happened any other times since then?
I would try replacing that fuel line and see what happens. You can always hook a new line to the fuel pump and leave it off at the carburetor and see if you get fuel through it when cranking the engine. Just an easy way to check for flow coming to the carburetor.
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