How Often to Change Spark Plugs: Mileage Guide
Most spark plugs should be replaced according to the vehicle manufacturer’s maintenance schedule, commonly between 30,000 and 100,000 miles. Copper or nickel plugs often last 20,000-30,000 miles, platinum plugs about 50,000-80,000 miles, and iridium plugs commonly 60,000-120,000 miles, but engine design, plug specification, fuel system, and driving conditions can change the interval substantially. Key Facts […]