Oil on Spark Plugs A Warning Sign of Engine Wear and Tear

If you have oil in only one of the cylinders, most likely either the valve cover gasket is leaking or the head gasket is leaking. Oil in the spark plug tubes is caused by shrunken and hardened spark plug tube seals, which can easily be replaced by just pulling the valve covers. When the tube seals on these engines leak, the entire well will fill with oil, and it will wick through the threads from the top down. It's probably your valve cover gasket. Replace it. I stick with OEM gaskets when it comes to stuff like that. I paid $15 for mine which includes ... 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 ... As for oil in the wells, pull the plug and see if the threads are wet as well. Then pull a dry plug well plug and give us focused imagery. This ... The most common oil on spark plugs symptoms can include the following ... 1. Blue smoke form exhaust ... 2. Reduced fuel economy ... 3. Reduced engine ... Carb cleaner, compressed air. Wrap a rag around the blow gun. Repeat as necessary until oil removed. Follow up with brake cleaner, repeat until ... Finding oil fouled spark plugs is tell tail signs of too much oil entering the combustion chamber. More times than not it is caused by piston rings or cylinder ... 2010 1.8 L Honda engine's spark plugs do not go through the valve cover. Maybe the valve cover is leaking and entering the spark plug tube below the valve ...