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The oil sump is full of fuel and oil mixed could it be piston rings or carbie is giving it to much fuel

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Have had this problem also with generators usually tell people to shut fuel tap when not used or transporting.the engine seems to create a siphon and fills the sump.drain refill with oil start again it may never happen again.

Posted on Feb 10, 2009

  • billcurle Feb 10, 2009

    these dont have fuel pumps.tank on top & fuel flows as a gravity feed.

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Hi from the uk you do not say typemodel/ year of vehicle ? however! from your symptoms of having petrol entering the oil sump resulting in rise in sump level ? not to mention dilution of lubricant ? if your fuel pump is mechanical type ie is operated by the camshaft and is bolted to engine ? as was method used b4 electric pumps now ? then i would suspect the diagphram inside the pump is porouse with age and is now leaking fuel through resulting in entering the sump via the pump bolting to engine wher the operating arm enteres ? thi would be more likely than worne pistons/rings may i suggest you do not run engine untill fault is rectified as fuel/oil mix will damage major components or even seizure? due to lack of correct lubrication

Posted on Feb 01, 2009

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Have a ohv130 206809a that is blowing oil through breather into carb. bad carb?


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Without knowing vehicle make or model it is hard to suggest anything further.

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1 Answer

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1 Answer

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1 Answer

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1 Answer

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Good luck...

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