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bigdog46

Kohler Command Gas In Crankcase

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bigdog46

I have a Simplicity with the 18hp Kohler Command engine. I have a fuel shutoff valve in the gas inlet line but I am still getting gas into the crankcase. Can this be a sign that my fuel pump is bad and I am getting gas going into the crankcase thru the pulse line? The engine runs good otherwise. Thanks.

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RayS

Dan, is more than likely right. A friend on mine a month or so had the same problem on is Sovereign 18. We ended up changing the fuel pump. Problem solved.

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GLPointon

Yes, If you take the fuel pump apart you should find the diaphram/gasket ruptured & leaking thru. My Dad's did the same thing yrs ago. Rebuilt the pump...no more gas sm01

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