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 ...

Like rotating tires or changing oil, replacing spark plugs is a job that can be easily, and inexpensively, done in the confines of your own home. Although they don’t need maintenance as often as the ...

We may receive a commission on purchases made from links. When it comes to engine care 101, a spark plug replacement — also referred to as a tune-up — is an essential task. Spark plugs, as the name ...

This article applies to the Porsche 993 (1993-1998). The normally aspirated Porsche 993's flat six utilizes a twin spark plug per cylinder design for maximum combustion efficiency. While this is a ...

This article applies to the Mercedes-Benz C-Class C63 AMG w204 (2007-2014). An often overlooked maintenance item that is key to a properly running engine is a spark plug. The spark plugs ignite the ...

The spark plug is a key component of the ignition system that allows the engine to start. Extreme vulnerability to environmental factors. Over time, each spark plug corrodes and begins to create ...