How Often Do You Change Platinum Spark Plugs?
How Often Do You Change Platinum Spark Plugs? There are two types of spark plugs: conventional and long-life. Conventional spark plugs need to be replaced every 30,000-50,000 miles. Long-life (iridium- or platinum-tipped) spark plugs need to be changed between 60,000 and 150,000 miles, depending on the vehicle. How long can platinum spark plugs last? Platinum