Question about Craftsman 20 hp 42 in. Deck Yard Tractor

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18.5 hp Intek (Craftsman) runs fine for 10 minutes and then sputters(like a fuel delivery problem) and then dies, won't restart till it cools. I replaced the fuel filter to no avail. New fuel pump? how difficult is it to replace? The "product" list below doesn't show my mower; I selected the 20hp model because it was the closest thing. My mower is about 4 years old.

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Three days ago I replaced the section of fuel hose on one of these between the fuel filter and carb. It had cracks that would let air into it causing a similar situation to yours. I found the problem by injecting air from an air hose nozzle into the gas tank with a rag taking up the major dimension difference between the air nozzle and the 2 inch gas cap which was removed. Be extremely careful not to blow up the tank or otherwise cause excessive pressure on the fuel system, but when I then looked for any leaks, I found a half-cup of gasoline on the floor of the shop under the carb area which is plenty dangerous enough. I you find ANY wetness along the length of the fuel hose it is time for a new hose, mine cost me $1.60 a foot at NAPA for generic 1/4" gas hose. You don't have to pay more.

As a prophylactic measure you also don't need any excuse for just changing out your old fuel lines...

Posted on Jun 28, 2009

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I had the same problem it turned out to be dirty fuel...i flushed the dirty fule out cleaned fuel filter it now runs well cutts well im happy

Posted on Jul 08, 2009

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