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engine surging on snowthrower

craftsman snowthrower 247.886911 I may have left some gas in too long and the engine surges unless I keep the choke on . Is there an additive or something else that I can do to help stop the surging?

Craftsman , Kenmore PRO Appliances
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3 Answers from these members:
Manage My Life
I know that it can be very inconvenient for you not to have your snowthrower working properly. While you are waiting for an expert to respond I was able to locate some information that could possibly assist you with your issue. I have added the link below. Hope this helps!
by Manage My Life
November 4th, 2012
Answered in 5 minutes
0 votes
Mark T
Thank you for your question.

I am sorry you are having a problem with the snow blower. By the symptoms you are having I suspect the problem is dirty passages in the carburetor. When the passages start to plug up the engine does not get the needed fuel to run smoothly. Then when you choke the engine, it delivers more fuel and the engine will smooth out. To cure the problem I recommend cleaning the main jet in the carburetor. You will need to purchase a can for carb cleaner from the local auto parts store. Then click on the following link to watch a video on how to clean the carburetor.

How to clean snow blower carburetor

The engine is not the same but it will give you an idea on how to do this. I have provided you with an image showing the break down of the carburetor.

Please use extreme caution when dealing with fuel.

Then after you have cleaned the carburetor, start the engine and slowly turn the choke off.

Please let me know if you have any other question on this problem.

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 Earned 58,303 community points in Craftsman
November 5th, 2012
Answered in 22 hours
0 votes
Manage My Life
Dear Yadira & Mark:

Thank You for your replies and comments. I'll attack the problem this week/

by Manage My Life
January 1st, 2013
0 votes
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