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Snowblower idle ups and downs


durobib's Avatar
Member

Join Date: Dec 2014
Posts: 1
CANADA

12-14-14, 12:14 PM   #1  
Snowblower idle ups and downs

Hi, I'm completely new to the world of forums and this is my question: I have a Craftsman snowblower with a Tecumseh engine, no trouble starting and if I leave the choke on, the motor runs fine idle but as soon as i take the choke off, the motor starts going up and down in revs. what could cause this? Carb or something else? Thanks guys

 
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Norm201's Avatar
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Join Date: Sep 2013
Posts: 5,424
NY

12-14-14, 12:21 PM   #2  
The cheap fix is is to rebuild the carb and be sure to clean all the orifices. This will take patience and some very small wires. The quick fix is to replace the carb.

You can try using a carb cleaner and running several tank fulls.

 
Vermont's Avatar
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Join Date: Jan 2010
Posts: 2,181
VT

12-14-14, 01:14 PM   #3  
Here's a video which helped me to promptly solve the obscure surging problem on a Tecumseh engine last year. . . . it should help you too:

http://https://www.youtube.com/watch?v=GT0STIPg4I8

Plan on clicking to "skip the ad" at the beginning.

 
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