Maintenance is an essential part of owning a car. Whether it’s simple tasks like an oil change or bleeding your brakes, plenty of jobs are DIY-friendly and can save you the costs of taking your ...

The oxygen sensor plays a crucial role in determining the correct air-fuel mixture in your vehicle’s engine. Changing a worn-out or faulty oxygen sensor can lead to improved fuel efficiency and ...

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 ...

This article applies to the Porsche 911 993 (1993-1998). The oxygen sensor in your Porsche 993 plays a very important role in how your car operates. This little gadget can cause many headaches when it ...

Modern car engine control systems rely on input from several sensors to regulate the engine’s performance as well as its emissions and other vital functions. When these sensors fail to provide ...

The oxygen sensors on your Toyota Celica help determine if the air-fuel ratio of the engine is rich or lean. This helps the electronic fuel injection adjust the mixture in real time and also reduce ...

The whip is a 2003 Ford Ranger 3.0 V6 Flex-Fuel.<BR><BR>Recently got a check engine light, error codes point to a bad O2 sensor.<BR><BR>Sensor 1, Bank 1. From the ...

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 ...