Riding Mower Won't Run With the Choke Off

I have an MTD riding mower, 18hp twin power. I have a carburetor issue, if I choke the carb and cover the little hole with my finger, the engine starts right up. If I remove my finger, it will die. I run the rider with choke pulled out fully. I am unable to utilize the throttle control or it will die. If I push in the choke just a little it will die, does anyone have an answer to my dilemma?


By Dano77 from Buckner, MO

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April 27, 2011 Flag
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My MTD 15.5HP riding mower won't run unless the choke is pulled out. What could be the problem and how to fix it?

By Ron from Nashville, TN

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May 15, 20110 found this helpful

Ron, I think your carburetor is dirty. Remove and clean it well. Billy Griffiths from South Africa. gbilly@ananzi.co.za

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August 19, 2010 Flag
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I have Troy Built riding mower, it's fairly new. Lately, it only runs when the choke is open. When I close the choke it dies. Any advice please?

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May 25, 2010 Flag
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I have a 16hp Sears riding mower. I got the engine to work fine, but it only runs with the choke on, once the choke is off the engine dies.

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