The spark plug is essentially a high-voltage “bridge” that ignites gas vapors inside your engine and makes your car go. On average, spark plugs should be replaced every 50-100,000 miles—the good news ...

This article applies to the Chevrolet Camaro and Pontiac Firebird (1990-2002). Just like changing the oil, swapping out old spark plugs is an important part of maintaining your car. Spark plugs are ...

This article applies to the Mercedes-Benz E-Class (2002-2009). A spark plug has an air gap between the electrode and the conductor prong. Electrical energy originating from the battery is released at ...

A gas engine needs fuel, air, and spark to get its internals chugging along. Take any of these out of the equation and the engine will have a fit. While the automotive industry shifts toward fully ...