Oil on one spark plug

Tiny
ANTHONY ONGOCO
  • MEMBER
  • 2001 MERCEDES BENZ E320
  • 3.2L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 187,000 MILES
Changing spark plugs. One plug had oil on it. Not around electrode. Any ideas what happened? Thanks
Monday, February 12th, 2018 AT 3:13 PM

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