Oil in spark plug well

Tiny
JMS89
  • MEMBER
  • 2007 MAZDA CX-9
  • 3.5L
  • V6
  • 4WD
  • AUTOMATIC
  • 156,000 MILES
My check engine came on about a day ago. Checked the code came out p0356. Ignition coil on number six has faulty primary/secondary circuit. Went to remove it and came across oil in the plug chamber. Not a lot maybe less then one teaspoon. Other two were dry. Have not done anything else so far besides inspect. Any opinions on what direction to take next? Valve cover gasket has never been changed. Hoping it is not worn valve guides or piston rings.
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Saturday, February 3rd, 2018 AT 10:55 AM

1 Reply

Tiny
MHPAUTOS
  • EXPERT
Replace the rocker cover gasket and make sure it comes with spark plug tube seal gaskets, common problem. Do this and you will have no problems.
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Saturday, February 3rd, 2018 AT 10:49 PM

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