Oil in Spark Plugs A Symptom of Underlying Engine Problems

Auto Services at Walmart is easy with over 2500 Auto Centers nationwide and certified technicians. We perform millions of Battery, Tire, and Oil & Lube ... This oil almost always enters the engine on the combustion chamber side. The test then becomes locating the source of the oil. A Spark Plug for Everyone · Iridium TT® – More power, economy, and endurance with the world's smallest tip. · Platinum TT® – Twin tip platinum design with ... I think you may have a coil problem. The oil on the plug is nothing to worry about at this time. That is another problem. But a minor one. The next thing you're gonna do is get right in between the gasket itself and the valve cover, being very careful not to damage the metal of the valve cover. The oil is above the threads. It's from a VC gasket leaking down onto it. Or from pouring oil on it as mentioned above. In most cases, oil on the spark plug threads indicates that you have a leaking valve cover gasket. This gasket sits between the cover of the ... Not all of this oil will burn and, over time, a small amount can be pushed up into the threads of the spark plug because the threads are not ... The oil build up around the spark plug is a leaking valve cover gasket. But the plug oil fouling is a different problem . If theres still oil in the spark plug hole it's the valve cover gasket. It's a very common issue and a quick and easy job.