Question about Craftsman 42 in. Deck 19.5hp Lawn Tractor

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Mower starts out with a full gas filter for about 25 min. then starts to sputter and barely has a trace of gas in the filter.

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It doesn't have to have a full filter to run, but the sputtering and fuel line volume indicates fuel starvation or a type of vapor lock (from a vacuum situation). A mower like this has to vent the fuel tank or it will only draw a while and then no more. Your gas cap's threads are the actual vent for the tractor. Try running it with the cap on somewhat loose, Post back if needed.

Posted on Sep 13, 2010

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