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David Sutch

How do you know if a carburetor float is bad?

by David Sutch Last activity date:
September 14th, 2011

I have a 8 hp Troy-bilt snow blower. When I press the gas bubble (5x) to prime my snow blower engine, a little bit of gas leaks from the bottom of the carburetor. The snow blower engine also hesitates a little while it is running. It has even back fired once. I was thinking that maybe the float is bad or it needs a tune up? My problem started while I was snow blowing my driveway last winter. Prior to that it was running great. I even went and got fresh gas but the problem is still there. I'm trying to narrow the problem down so i don't get taken when my snowblower is in the shop.

Electric Snowblowers , Snow Removal Equipment
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Answers (2)
Mark T
Thank you for your question.

I will be happy to assist you on the snow blower. What you have explained is normal. When you push the primer, it forces fuel into throat of the carburetor. After pushing the primmer 5 times, there is quite a bit of fuel in the carburetor and can run out. This is more noticeable if the snow blower is tipped back a little. If it did not put so much fuel into the carburetor, the engine will not start in the dead of winter. As for the running rough problem I suspect is a partly plugged main jet. this is a common problem that is usually cured with cleaning the carburetor. I have found a video that shows the steps of cleaning the carburetor. Click


to watch the video. If you decide to repair the snow blower, work in a well ventilated area and use caution when working with fuel.

Here is a link to order any parts you need.

Sears Parts Direct


If you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website:

Sears Home Services


Thank you for using Manage my life.

Mark T.
by Mark T
September 14th, 2011
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Manage My Life
I know how important it is to have a good working Snow Blower in your home so that you can keep your yard free of that winter snow. While you are waiting for an expert answer, I did manage to find a link that will provide you with some good information about what may be causing your problem.
Answered in 3 hours
by Manage My Life
September 13th, 2011
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