Spark Plugs and What They Do
- Created: Wednesday, 12 April 2017 18:46
- Written by Mr. Car Guy
Spark plug - the name itself is pretty self explanatory. To put it simply, your vehicle’s spark plugs are parts that plug into the top of your engine’s cylinders and create a spark which ignites the air and fuel mixture inside to start the engine and keep it generating power. The number of spark plugs in your car’s engine is usually the same as the number of cylinders, although some automakers will use two spark plugs per cylinder.
Like any other part of your vehicle, your spark plugs will wear out over time and need to be replaced. Worn spark plugs make it harder for the air-fuel mixture to ignite, causing your engine to misfire. Your car may still start and run, but it will run very poorly. Spark plugs are relatively easy to replace in some vehicles, but may be labor intensive and require removal of the intake plenum in others.
When you get your spark plugs replaced, it is a good idea to inspect your ignition cables as well. There are different ratings for spark plugs, and the correct rating for your vehicle should always be u