OIL IN SPARK PLUG WELLS

  • Tiny
  • Anonymous
  • 1999 Chevrolet Malibu
  • 160,000 miles

Oil in spark plug wells. What causes this and how to fix it.

Saturday, February 9th, 2013 AT 11:28 PM

1 Reply

  • Tiny
  • gmtech
  • Expert
  • 553 posts

4 or 6 cylinder. Likely a valve cover gasket leaking

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Monday, February 11th, 2013 AT 4:33 PM

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