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 ...

The spark plugs inside your car's gas engine are remarkably durable and could last for dozens of oil changes before needing to be replaced. For components that withstand intense heat, pressure, ...

Spark plugs are an essential part of your engine’s operation. When your engine fires, it’s the spark that causes the ignition cycle to begin. Over time, spark plugs wear out and should be replaced. If ...