Originally Posted by Jeff@TopGearSolutions
Are you sure the spark plugs had oil? That may be fuel?
Did you smell them?
If its fuel that usually means your injectors are leaking.
If its oil it may time for a new valve cover gasket.
Yea I had my valve seal replaced about a month ago because it was leaking but I never got around to changing the plugs... car feels much better now but still a little slug I feel I need a walnut blasting