How Many Kilometers Should a Car Drive Before Replacing Spark Plugs?

[CadenMarie]

Car spark plug replacement intervals vary depending on the type of spark plug. Ordinary electronic spark plugs should be replaced every 20,000 kilometers; platinum spark plugs should be replaced every 30,000 to 40,000 kilometers; and iridium spark plugs should be replaced approximately every 60,000 kilometers. When the car idles and experiences frequent severe shaking, it is time to replace the spark plugs. Spark plugs are an important component of the gasoline engine ignition system. They introduce high voltage electricity into the combustion chamber and cause it to jump the electrode gap to produce a spark, thereby igniting the combustible mixture in the cylinder.