Poulan Pro chainsaw starts, idles extremely fast, but dies when I hit the gas...

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Old 03-11-13, 12:18 PM
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Poulan Pro chainsaw starts, idles extremely fast, but dies when I hit the gas...

My Poulan Pro chainsaw (Model # PP4218AVX) starts OK, but on half choke it runs extremely fast, and when I hit the gas, or kill the choke, it dies immediately. I've used new gas/oil mix. Air filter looks good, plug looks good. The last time I used it, about six months ago, it worked fine.
 
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Old 03-11-13, 07:08 PM
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It's typical for fuel starvation. Could be a plugged vent on the fuel cap, but likely is a varnish problem in the carburetor or a stiff fuel pump diaphragm in the carb. If it's never had a kit put in the carb, I would do that and clean it up in the process.

That will likely take care of it.
 
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Old 03-12-13, 12:43 AM
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The extremely fast thing makes me think air leak. I'd be checking around the carb areafor a leaking intake gasket and if nothing found, go to the carb itself and check the fuel lines.
 
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