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 ...

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 Porsche 997.1 (2005-2012). You want to keep your high-performance sportster in tip-top shape. This means taking care of your Porsche 997's maintenance at the correct time, ...

A brief underhood inspection confirms that all the vacuum hoses are on and that none of them have been burned open by leaning against the exhaust manifold. You've touched every sensor connection to ...

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 Chevrolet Camaro and Pontiac Firebird (1990-2002). Your spark plug wires are just as important as the spark plugs themselves. Although you won't have to replace them as ...