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Meaning of Oil on the exterior of engine

IF you are talking about "outside" the engine, on the plugs and on the heads around the plugs, then the cause is probably one of two things:

  • Someone spilled oil on the top of the engine [as when adding oil to the crankcase, or
  • There is a "rocker cover" gasket leak above the area wet with oil.
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14y ago
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Q: What does oil around spark plugs mean on a 98 Pontiac grand am?
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