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I need new spark plugs. my old ones are very dirty with oil. What is a likely cause for this?

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Probably worn valve stem guides.
Also if there is white smoke when you decelerate or right after coasting down hill is another sign of worn valve stem guides.

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Well hello sir
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A pleasure to see you in this neck of the woods.
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Being used!

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Oily spark plugs are not from a good running engine.
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Is the oil on the inside or the outside of the spark plugs.

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The problem could most likely be caused by a leakage or over using it. You need to change your oil every once in a while based on the mileage that the car goes. Talk to a mechanic to get assistance.

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Yes they are dirty but what are they out off , a car or motorcycle 2 or 4 stroke. Oil on them means thier is an oil problem.

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Valve leak

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