Why did my weedeater keep going after I turned the power off?

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The weedeater continued running after being turned off due to a phenomenon known as dieseling, where the engine fires without a spark, similar to diesel engines. This can occur if the on/off switch only shuts off fuel flow rather than cutting off the ignition completely. Factors such as residual fuel in the combustion chamber can also contribute to this issue. The discussion humorously suggests the weedeater might be "possessed," highlighting the unusual nature of the problem. Understanding dieseling can help users troubleshoot similar issues with gas-powered equipment.
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I used to be a groundskeeper, and I operated a weedeater for the job. I had a gas-powered weedeater. I don't remember the make or model of the weedeater. When I turned power button to off to turn off the weedeater, the engine on my weedeater would sometimes keep on going for over a minute after I turned the weedeater off. Why did my weedeater engine keep on running after I turned the power to off?
 
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Perhaps the on/off switch is just a fuel flow shutoff.
 
It wasn't full yet.
 
lisab said:
It wasn't full yet.
:smile:
 
bluemoonKY said:
I used to be a groundskeeper, and I operated a weedeater for the job. I had a gas-powered weedeater. I don't remember the make or model of the weedeater. When I turned power button to off to turn off the weedeater, the engine on my weedeater would sometimes keep on going for over a minute after I turned the weedeater off. Why did my weedeater engine keep on running after I turned the power to off?

It's obviously possessed. What more evidence do you need?
 

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