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 ...

Any time the engine doesn’t run as it should, the Check Engine Light can illuminate on your car’s dashboard. After using your OBD-II scanner, you might notice the P0138 code and wonder what that means ...

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?

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 ...

Even when the car seems to be running just fine, you might find a Check Engine Light on your dashboard. One look with your code scanner might reveal the P0136 code, but what does this mean? In this ...

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 ...

When we got the invitation to tour Bosch's oxygen sensor plant in Anderson, South Carolina, it had all the allure of eating a sand sandwich. Let's face it, oxygen sensors aren't the most glamorous ...