The O2 sensor is placed on the exhaust right before the cat. There is only one. You can find the connector that goes to the ECU right behind the bottom side panel that covers the frame, among other ...

The OE SmartLink patented oxygen sensor connector system is now available from Bosch. By installing the system on the existing wire harness, the OE SmartLink allows 14 OEM-specific, heated oxygen ...

With fuel prices rising, the need for accurate air/fuel mixture monitoring is more important than ever. The engine computer needs to know what the fuel mixture is with a high degree of precision so it ...

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 ...

"All for one and one for all" ... For some reason, the PCM treated this odd little trio of O2 sensors like musketeers. Just about every experienced technician on the planet who has been around during ...

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 ...

O2 sensors are directly responsible for the amount of fuel your car uses. If your car experiences poor fuel economy, lacks ...