I have a 2007 craftsman riding mower with a 20 hp briggs. Recently the engine dies after 15 min, or so. I can visually see the fuel filter empty out and it dies. After a few minutes I can see the filter slowly fill again and the engine fires right up. And then dies when empty again. I have replaced the fuel line and filter. But the same result. Also I have removed the gas cap and that also does not seem to help.

Another thing to check is the fuel tank for debris or sediment interfering with the fuel pickup.

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Originally Posted by Scleros

Another thing to check is the fuel tank for debris or sediment interfering with the fuel pickup.

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Will check that. Also before I changed the fuel line I placed a new line on with no filter and it seemed to run well. The filter that is currently on there now is only a couple of weeks old. Is it possible to have a bad filter? And should I change it to a briggs filter? The filter on know is a after market dura last. I have recently herd that the after market filters create a vacume as though they were made for a system with a fuel pump. I put a new filter every year and I have always bought this same filter. Just a fluke or should I change to a briggs filter?

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Originally Posted by joeseville

Is it possible to have a bad filter?

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Well anything's possible but I think unlikely. "Bad" filters fail to filter which isn't the same as a blocked filter or a vacuum issue.

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Just a fluke or should I change to a briggs filter?

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Use what originally came on the machine unless the flow characteristics of another filter confirm it to be a suitable replacement.