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 ...

The oxygen (O2) sensor is part of the fuel management system. It monitors unburned oxygen in the exhaust. The powertrain control module (PCM) uses this information to determine if the fuel mixture is ...

Oxygen (O 2) depletion monitors are devices designed to measure ambient concentrations of atmospheric oxygen, alerting users when nearby Ievels have fallen. These alerts allow appropriate action to be ...

One of the benefits of modern computer-controlled engines is efficiency. These kinds of engines manage the ignition and fueling in a precise manner so that very little fuel wastage occurs. Take, for ...

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 ...