How Often Do Iridium Spark Plugs Need To Be Changed?

How Often Do Iridium Spark Plugs Need To Be Changed? Conventional spark plugs should be replaced every 20,000-50,000 miles. Iridium or platinum-tipped spark plugs – also called “long life spark plugs” should be changed 60,000 and 150,000 miles, depending on the owner’s vehicle. How do I know if my Iridium spark plugs are bad? Signs … Continue reading How Often Do Iridium Spark Plugs Need To Be Changed?