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1999 Plymouth Breeze

Question: Oil in Spark Plug Tube

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Ruthie, 2.0L 4 Cylinder, Easthampton, MA, August 10, 2009, 17:32

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Car started acting up "Check Engine" light would come on when slowing to take a corner. Would buck! Got home, bought new spark plugs. Went to change and found oil in spark plug tube. Why? What can I do?

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• Best Answer
  backyard tech August 10, 2009, 18:37
  

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  Replace the valve cover gasket. You might want to replace the plug wires to. Rubber and oil don't go together well.
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  Visitor, October 19, 2010, 08:37

  If you replace the valve cover gasket the complete valve cover gasket includes the spark plug tube seals.
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• Answer #2

  Visitor, October 18, 2010, 17:56

  Not only should you replace the Valve Cover Gasket, you should also change the Spark Plug Tube Seals. This would save you some extra cash down the road. The seals degrade over time and allow oil in the spark plug tubes. This would contaminate the rubber Plug Wires and potentially cause them to fail, the engine to misfire, and decrease fuel economy. You will know that the seals need to me changed if the plug boots have oil on them. Generally the seals should come with the new Valve Covers Gasket in a set. If not, its worth the investment.
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