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 ...

As a vital component of a vehicle’s emissions control system, oxygen sensors play a crucial role in engine performance and fuel efficiency. But what’s the typical cost to replace a failed O2 sensor?

Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...

Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

Modern vehicles are pretty complicated pieces of tech. Apart from emissions and other vital functions, the engine control system relies heavily on several sensors to regulate performance. That is ...

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 ...