1999 ply brz oil on plugs, 2.4L outer plugs dry, 2 inner plugs coated in oil. Why?
Wednesday, November 17th, 2010 AT 8:04 PM
4 Replies
DOCFIXIT
MECHANIC
18,828 POSTS
Would have to say oil rings faulty. Has compression been checked?
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Wednesday, November 17th, 2010 AT 8:07 PM
AKRON
MEMBER
3 POSTS
No not yet, will that determine problem?Is it ok to drive like this?It seems to run good, even better since I installed new plugs, but.
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Wednesday, November 17th, 2010 AT 8:33 PM
WRENCHTECH
MECHANIC
20,761 POSTS
I suspect the oil is on the outside of the plug.
You just have a leaking valve cover gasket. It seals around the spark plug tubes and any leaks will run down into the tube and onto the plugs.