Question about Poulan Snowblower 205cc 8.0 TP Briggs OHV ES 27 PR8P27ES

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Engine surgings after running 1hr

Engine runs for 1 hr surges and dies new fuel line ,gas cap carb cleaned

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You're on the right track its definitely fuel starvation. Try cleaning the fuel tank breather (it's probably in the tank filler cap). This allows air in to the tank as the fuel is used, if it's blocked you get a partial vacuum in the tank and the fuel wont come out.

Posted on Jan 20, 2014

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Posted on Jan 02, 2017

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SOURCE: Poulan tiller with 85 series engine 8.5 hp will

Sounds like the float valve is stuck. This means that there is not enough gas coming in. Try some solvent such as berryman's b-12 chemtool. First drain gas from system, then use only enough solvent in fuel tank to fill carb bowl. Let is sit for several hours and then drain the bowl. This will dissolve any gum that has formed in the carb and will free everything up. I would try this before making any modifications to the adjustments.

Posted on Mar 23, 2012

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