Spark Plug Oil A Symptom of Engine System Malfunction

Most likely you leaking oil through this gasket down into the spark plug well. Check this 1st. if that is the problem just get some gasket sealer and repair it. It's not a big deal but you do need to identify and correct the cause of the leak (needs plug tube seals and quite possibly the valve cover gaskets). The spark plug well oil seals are leaking. Anyone else seen this? Replacing the seals on the valve covers is a lengthy process. Can these be fixed without ... Sounds like the spark plug tube seals are leaking. Not something that's going to cause catastrophic failure, but it may cause misfires if too ... If the tip of the coil is wet with oil you have plenty in the well. If not, take a twisted paper towel and work it down along the side of the ... If you have oil on the spark plugs then you most likely have faulty piston rings or valve stem seals. You'll need to do a compression test. If ... Could be that the valve cover gasket is allowing oil to leak down the spark plug hole. Try replacing the valve cover gasket. Oil in combustion chamber is turned into carbon - It isn't oily. On the threads, it's a lot more likely to be the valve cover gaskets. If is running too "rich" then you should see black smoke, when it is extreme, and see a black build up on the plugs. I would also expect codes ... Spark plug tubes have o-rings that go bad , may want to tighten valve cover also.