Spark plug wear hides in plain sight. It builds slowly, then suddenly the engine starts telling a different story. A code reader might flag a misfire or throw a generic warning, but spark plug wear ...

A smart plug's longevity is dictated by how gentle and strategic you are with its use, so knowing its primary enemies helps you avoid common pitfalls.

The spark plugs in your car's engine are serviceable parts that require periodic replacement. Those plugs are rather durable and would last the life of multiple oil changes, but they do eventually ...