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A spark plug (sometimes, in British English, a sparking plug, and, colloquially, a plug) is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture by an electric spark, while containing combustion pressure within the engine.
Spark plugs are relatively simple to replace. Learn how spark plugs function and get tips on how to replace them in this article.
What Spark Plugs Do and How They Work. Spark plugs are small electrical devices used in some internal combustion engines and are prevalent in the function of your vehicle's engine. They feature an insulated electrode in the center, insulated wire, and an ignition coil or magneto circuit with a grounded terminal.
Dec 15, 2020 · Now, it's important to make sure that you have the right spark plugs in the right spec. Consult your manual or service guide of your respective automobile to get the right plug for your motor. Take note of the diameter and the gap of your plug to ensure proper fit in your engine.
Jun 11, 2021 · The purpose of a spark plug is to use the high voltage current from the ignition coil to spark or ignite the compressed mixture of air and fuel in each cylinder in a gasoline-powered motor. Normally the number of spark plugs in a vehicle will be equal to the number of cylinders found in an engine.
Replacing worn spark plugs can greatly improve your engine’s performance and efficiency, and it can be done at home with basic hand tools. Recommended spark plug replacement intervals can range from 30,000 miles to every 100,000 miles, and they vary widely by car manufacturer and spark plug metal types and design.
Spark Plug Basics. The primary function of the spark plug is to ignite the air-fuel mixture within the combustion chamber under any operating condition. Spark plugs must provide a path and a location for electrical energy from the ignition coil to create a spark used to ignite the air-fuel mixture.
Jun 21, 2018 · Learn how to replace spark plugs, inspect spark plugs, gap spark plugs, figure out what spark plugs are best for your car and where to use antiseize and die...
Replacing worn spark plugs can greatly improve your engine's performance and efficiency. Read More. Learn how spark plugs work and how to work on them. AutoZone's guides show you everything you need to know to do the job right!
Spark. When the high voltage produced by the ignition system is applied between the center electrode and ground electrode of the spark plug, the insulation between the electrodes breaks down, current flows in the discharge phenomenon, and an electrical spark is generated.
