Riding Mower Dies When It Accelerates

August 19, 2009

Riding MowerI have a 2008 Toro Z5000 riding lawnmower. All of a sudden it won't keep running. It starts no problem with the choke open, but as soon as you pull back on the throttle it stalls out. Any ideas? The air cleaner looks fine, also fuel filter. Gas seemed OK.


By johnmcronin from Burlington, VT


September 16, 20100 found this helpful
Best Answer

Look for a sticking valve in your carburetor. Try spraying it down with carb cleaner. Sounds like youve got a needle sticking open, and it cant compensate with the fuel, flooding itself out.

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February 26, 20170 found this helpful
Best Answer

You know what that means, your lawnmower flywheel has electromagnets on it and when a safety switch is not engaged in correlation one magnet is not "on". Check your seat, mower, and transmission in neutral, those switches could be the culprit.

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2 More Questions

Ask a QuestionHere are the questions asked by community members. Read on to see the answers provided by the ThriftyFun community or ask a new question.

July 7, 2019

My John Deere 160 runs great as long as it idles, but it dies as soon as I try to give it gas.


Gold Post Medal for All Time! 677 Posts
July 7, 20191 found this helpful

You may have a sticking valve in the carburetor

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ThriftyFun is one of the longest running frugal living communities on the Internet. These are archives of older discussions.

August 19, 2009

My riding mower will start on choke, but when I try to accelerate the mower cuts off. I have cleaned the gas tank and put in a new gas line and filter.

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