Troubleshooting Made Easy Identifying the Source of Oil in Spark Plugs

If oil persists in the spark plug threads or plug wells over an extended period, it becomes a significant problem. This can lead to several issues. What can cause oil on spark plugs? · Worn valve guides or intake valve seals · Worn-out or broken piston rings · A blown head gasket · Clogged ... Comments ; WHY THERE IS OIL IN SPARK PLUG WELL, ENGINE MISFIRE FIX. Auto Repair Guys · 871K views ; Spark Plug Tube Oil Leak Repair - Toyota I4 ... In todays video I would like to talk about why you would have oil in your spark plug, spark plug wells or even your coils wen replacing ... The oil build up around the spark plug is a leaking valve cover gasket. But the plug oil fouling is a different problem . 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. Make sure you replace those tube seals (that's what keeps the oil out of the spark plug tubes), they should come with the valve cover as long as ... Typically oil around the spark plugs like that is going to be the gasket in the valve cover. I've replaced quite a few on various vehicles that ... Oil still looked pretty good at 2000 miles. Spark plug fouling virtually went away. Recommended intervals for engine tune-ups were doubled. As ... Oil pouring into the spark plugs, on the other hand, is never a good thing. This will cause major issues with your engine's functioning and performance.