![]() Read Also: What Causes Oil on Spark Plug Threads Oil in Spark Plug Well SymptomsĪ few symptoms tell you there’s oil in the car’s spark plug well. If you don’t, there may be some serious problems for you to handle, as oil shouldn’t get to the spark plugs. You may need to get them replaced at some point, as such action would prevent oil from reaching the spark plug well. The valve guide seals are effective but may soon start appearing worn with frequent use. You shouldn’t overlook such an issue and fix it quickly, as swift action would improve your engine’s performance.Īged Valve Guide Seals: The air intake into the car’s engine is one task that the valve guides help in taking care of, and they secure the valves within this operation. ![]() Such a faulty piston can result in engine misfire, excessive oil combustion, and rattling sounds while the car runs. Due to excessive heat, the piston may soon start cracking. ![]() Also, you would notice blue exhaust from the car each day.īad Piston: Aside from a faulty piston ring allowing engine oil to flow to the cylinder and saturating the spark plug, a bad piston can also cause the oil in the spark plug well. In such a case, you would perceive the engine oil smell around the cabin. With worn-out piston compression rings, they can rarely prevent oil from moving toward your spark plugs. These rings also aid greatly in getting out the excess oil that reaches the cylinder walls. Kindly note that you would also change the current spark plug since the oil would saturate it and make it unsuitable.įailed Piston Compression Rings: Above and beneath the piston are piston rings that prevent oil flow into the car’s combustion chambers. Hence, the need for a swift action to prevent further issues. Nevertheless, they start to wear out with time, and once damaged, oil can leak into the spark plug well. These seals work effectively, acting as a cover for the spark plug well. Thus, you may soon notice some leakages, which may allow oil to enter the spark plug well.įaulty O-Rings: If you’ve handled your spark plugs regularly, you will notice the O-ring seals beneath the spark plug tubes. Such failure becomes more pronounced with the engine’s high temperature, and as such, the valve cover gasket starts appearing brittle. Nevertheless, there lie gaskets between the valve cover and the engine, and with time they tend to fail. Worn-Out Valve Cover Gasket: After a look at your car’s engine, you will notice a metal cover on the engine, known as the “valve cover.” This seal is designed to prevent possible leakages from the vehicle’s engine. There are five major reasons why you find oil on spark plug wells, and they include: However, the oil should not reach the spark plug well, as it can cause some severe issues. The oil moves with the oil pump’s aid, traveling down to the oil filter before it reaches other parts. Whereas oil in the engine works well for the moving parts, reducing the friction between them.Įngines store the oil in the oil pan – it can hold six quarts of oil. But what happens when you find oil on the bottom of the spark plug? Well, this issue involves two distinct systems the spark plug system and the lubrication system.īoth work well for the engine, as the spark plug ignites energy in the combustion chamber containing the fuel/air mixture. When your spark plug is in good condition, the car’s ignition should run optimally, and you shouldn’t face any hassles. There are various causes of oil in the spark plug well, and you can look out for some common symptoms and quick fixes. Nevertheless, there shouldn’t be any leakages that result in oil seeping through the plug well, as it can hinder the vehicle’s functionality. In fact, an insufficient supply of oil can cause serious friction and engine overheating. Similarly, oil is crucial for the smooth running of the car’s moving parts, acting as a lubricant. When it comes to the ignition of vehicles that run on gasoline, spark plugs are essential. Without swift action on fixing this issue, there may be some engine problems. It occurs because the spark plug o ring is faulty and can no longer keep the plug well sealed. The presence of oil in the spark plug well is one issue that raises concerns amongst car owners.
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