What does it mean when oil gets on spark plugs?
What does it mean when oil gets on spark plugs? Oil is distributed around the engine using an oil pump. It first flows through an oil filter then goes through the engine’s oil passages and through pistons, springs, rings and valve stems. Needless to say, oil should not get onto spark plugs but sometimes it does. When this happens it means there is an oil leak somewhere. How do you remove oil from spark plug threads? Systematic Procedure to Remove Oil on Spark Plug Threads 1. Analyze the Gasket Position and Status 2. Remove the Spark Plugs and the Valve...