Spark plugs with oil - symptoms
When it comes to vehicle maintenance, spark plugs are crucial. They ignite the air-fuel mixture that powers your car. However, oil on your spark plugs can lead to various issues that need attention. Here are the top 10 reasons why this might be happening and how to handle it.
Worn Piston Rings
Worn piston rings can allow oil to seep into the combustion chamber, leading to oil on your spark plugs. This can cause rough idling and reduced engine performance.
Faulty Valve Guides
Valve guides control the movement of valves in your engine. When they wear out, oil can leak into the combustion chamber and onto your spark plugs, compromising engine efficiency.
As you can see, issues like worn piston rings and faulty valve guides can quickly escalate if not addressed. Keeping up with regular maintenance and inspections can help you catch these problems early, ensuring your vehicle runs smoothly. At Fangio Auto Service, we offer thorough diagnostic services to identify and fix these issues before they lead to more significant problems. If you’re experiencing any of these symptoms, reach out to us for a consultation.
deteriorated o-ring
The valve cover includes a seal known as spark plug o-rings. Heat tends to deteriorate the deal over time and allows for the oil to reach the spark plugs.
Wear & tear on the valve guides. the movement of the values dumps oil into the combustion chamber and causes oil build up on the spark plugs. Remember that the spark plugs need to create a spark in the combustion changer with oxygen.
Broken piston rings or piston head
When the pistons move up and down, they drag oil along the wall. This accumulates on the rings, the ring’s purpose is the prevent oil from reaching the combustion chamber. Now when the rings wear, the oil leaks and finds its way to the plugs.
Clogged crankcase ventilation
if you have oil on the tips of the spark plugs, it means the oil comes from the combustion chamber. This is when you need to make an immediate booking with your car services workshop.
Whether it’s deteriorating o-rings or a more complex issue like broken piston rings, these problems can significantly affect your car’s performance. Addressing these concerns promptly can prevent more extensive repairs down the line. Consider scheduling your next service with us to ensure your engine stays in optimal condition.
How to fix spark plugs with oil
Complete your annual car services
Maintaining regular car service intervals is key to preventing oil from getting onto your spark plugs. By catching these issues early, you can avoid more expensive repairs later on. If you’re due for a service, or if you’re noticing symptoms like rough idling or decreased performance, book an appointment with Fangio Auto Service today.
Can I DIY this project?
if you want to DIY this project (we don’t suggest it) there are some youtube videos like this one that can explain how it’s done.
FAQ
No, it’s actually the other way around. your car misfire is caused my the oil on spark plugs. misfire can cause issues with your catalytic converter and faults as well.
Short answer – you shouldn’t. the longer the oil sits on the spark plugs, the longer they take to create the spark in the combustion chamber.
