OIL COVERED SPARK PLUGS: WHAT IS THE CAUSE AND HOW TO FIX IT
When you detect oil on your spark plugs, you must be aware of the fact that it is bad news for your engine. But you don’t have to panic on the situation, as it might not be as bad as you think.
There could be multiple reasons why oil can find its way on the spark plug. One of the cause can be by leaking valve cover or spark plug o-ring. As spark plug is the heart of the engine, you need to take extra care for the same. Given below are the causes of oil-covered spark plugs and tips on how to fix it.
Causes of Oil On Spark Plug
There might be several causes of how and why your spark plug is covered in oil. Some of those are listed below:
Causes of Oil On Spark Plug
There might be several causes of how and why your spark plug is covered in oil. Some of those are listed below:
Valve Cover Gaskets
Valve cover gaskets keep the oil on the cylinder heads and away from the rest of the engine. Due to high temperatures in the engine environment, these gaskets tend to wear, allowing the oil leakages. This dripping oil then reaches the spark plugs and causes the oil on the plug condition.
Spark Plug O-Ring
This ring is the seal which is located inside of the valve cover. With an excessive amount of heat, this seal tends to degrade over time and makes the oil reach the spark plug.
Defective or Worn Valves Guides
Another cause for oil-covered spark plugs is the excessive wearing of the valve guides. The constant up and down movement of the valves pump the oil into the combustion chamber creating a direct consequence of oil on the spark plugs.
Faulty head-gasket
The engine oil flows in pressure all its way up to the heads through the lines and galleries of the lubrication system. With a faulty head gasket, the oil enters the cooling system and/or the engine cylinder.
Fixing Oil On Spark Plugs
One of the most common causes of detecting oil on spark plugs is the damaged or leaking valve cover gasket or the spark plug O-ring. To get through this situation, you must change them. This can be done by referring to the owner’s manual and if you’re not sure of how to change them, head to the nearest mechanic to get it changed.
One of the most common causes of detecting oil on spark plugs is the damaged or leaking valve cover gasket or the spark plug O-ring. To get through this situation, you must change them. This can be done by referring to the owner’s manual and if you’re not sure of how to change them, head to the nearest mechanic to get it changed.
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