Spark plugs have a central role in the vehicle functioning since your vehicle depends on them for starting and running. The vehicle spark plugs ignite the automobiles engine’s gas mixture, offering the car with power and maintaining it functioning. They are an integral part of the ignition and engine system and it is vital that they are always in good shape.

If you wonder when to change your car’s spark plugs, you should consult your vehicles owner’s manual since it brings indications regarding when to check each vehicle part. On the other hand, if any of the car areas related to the spark plugs functioning is not working correctly then you should check them as well. If you are wishing to change them yourself, you should make sure you know how and have not only the proper knowledge for it but also the right tools. You should avoid trying to change the vehicle spark plugs unless you are sure you know how to do it.


The vehicle spark plugs can be changed easily and in a few moments by someone who knows how to do it. In new vehicles, the spark plugs are usually controlled by the vehicle computer and this allows checking them and tuning them much more easily than in other older vehicles.

Usually, you should inspect your car spark plugs after the 10.000 kilometers or around such date since they can stop working at any time since then. Sometimes they last as much as 50.000 kilometers, but you should make sure they are ok before that or they could start failing when you want them the most.

There are special spark plugs such as premium ones which would last as much as 160.000 kilometers. If you have these, then you should not worry on changing them until you have reached around the 100.000 kilometers, although you should inspect they are ok every 30.000 kilometers. Also, you should have in mind that there are some reasons which could cause the spark plugs to have a shorter life, such as the weather conditions in which you usually drive the vehicle.