Reading this far many readers will wonder where carbon is formed and why it appears in the engine combustion chamber, take a moment to learn about this. The consequence is having many adverse effects on the performance of your vehicle. This coating makes it easier for the voltage to follow the insulator nose leak back down into the metal shell and ground out rather than bridging the gap in firing. Meeting this requirement, the new spark plug can give a strong spark, helping to maintain the stable operation of the engine.Īs a part that works directly and comes into contact with the engine’s combustion chamber, any problem with the spark plug can have a serious impact on the engine’s operation like poor acceleration, engine misfire, and rough idling… Let’s find the carbon fouled spark plug causes (Photo: ) What Are The Reasons Behind When Carbon-Fouled Spark Plugs?Ī spark plug is considered fouled when the insulator nose at the firing tip becomes coated with shiny soot or carbon. Therefore, spark plugs need to have high durability, and achieve high pressure and heat resistance. Spark plugs operate in conditions of compression pressure up to 50 kg/cm2 and the ambient temperature around 2,500☌. Automotive spark plugs have the effect of generating an electric spark between the center electrode and the electrode of the grounding side to help ignite the fuel in the cylinder. The Importance Of A Spark Plug In Your CarĪ spark plug is a part of the ignition system, which plays an important role in the operation of the engine. What will happen if this part is coated by foreign substances like carbon? We must say that carbon fouled spark plug is worrisome and needs professional attention and also an immediate solution. It provides an electric spark to ignite a mixture of fuel and air that is compressed at high pressure to generate power for the engine. If, after cleaning, a plug shows unusual signs of wear or doesn't come clean, its time to replace it.Spark plugs are an important part of the ignition system of a gasoline engine. Remember, if a plug is fouling, its usually a result of engine side factors or incorrect heat range selection. Clean the spark plug thoroughly to avoid problems later. NOTE: Insufficient cleaning of a spark plug may lead to its failure in a very short period of time. If the plug has a flat seat, remember to use a fresh gasket, or adjust the installation torque accordingly.Re-gap to your vehicles specifications.Blow off the plug and firing end with an air compressor or can of compressed.Use a wire brush to clean off any deposits that have loosened.Spray the firing end with a quick-dry cleaner such as fuel injector cleaner or brake cleaner.Brush off the plug and firing tip with a clean rag.If you insist on trying to clean anyways, the cleaning procedure below was supplied to us by an old motorhead: A used plug will have worn edges, and cleaning may contribute to the wearing. Electricity discharges best from sharp edges. Ultimately, you won't get the same performance from a cleaned plug as from a new plug. We do not recommend it for a number of reasons. Technically, yes, you can clean spark plugs, however, in most cases it's not worth it.
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