Posts Tagged: copper spark plugs

Spark Plug Lifespan Explained: How Long They Really Last

Spark Plug Lifespan: Why Some Last 120K and Others Don’t Quick Summary Spark plug lifespan is determined by engine design, ignition system demands, combustion pressures, and fuel strategy. While some spark plugs can last well over 100,000 miles, others wear out far sooner in modern turbocharged and direct-injection engines. Knowing when to change spark plugs means understanding what your engine asks of them, not just what the box claims. Change them too late, and you risk misfires, poor fuel economy, and expensive secondary damage. Article Factors Affecting Spark Plug Life: … Read More