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Sometimes the engine dumps oil after sitting for a few days or more. Why?

April 26, 2017days dumps engine Oil sitting

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Sometimes the engine dumps oil after sitting for a few days or more. Why?

1 Answer

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A5. The oil pump check valve that keeps oil in the tank from draining into the engine when not running is leaking. Replace or fix it or put a can under it when starting for the first time after sitting.