This article applies to the Mercedes-Benz E-Class (2002-2009). The Mercedes-Benz E-Class oxygen sensor is the main component for the emission control system. When it's not working properly, the engine ...

This article applies to the Chevrolet Camaro and Pontiac Firebird (1990-2002). Have you noticed that your car is running less efficient? Does it occasionally misfire? Or does the exhaust pipe smell ...

We may receive a commission on purchases made from links. While it may seem intimidating at first, there are plenty of easy DIY auto maintenance projects that even the most novice DIY-er can handle.

This article applies to the Porsche 997 (2005-2012). Engine performance is all about a magical mixture known as Air:Fuel Ratio or AFR. The Porsche 997's engine control unit, or ECU, wants to manage ...

This article applies to Mercedes-Benz E-Class AMG (2002-2009). Oxygen sensors are some of the most important components in modern fuel injection systems. The oxygen sensors located before the ...