Your car's O2 sensor can cause rough running, bad mileage, and inspection nightmares. Can a quick clean save the day? Here's ...

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 ...

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 ...

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 ...

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 ...

I'd expect to pay £350-£450 at a dealer. However, given the car is 10+ years old, I'd recommend using a local independent Mercedes-Benz specialist (you'll pay £100 less). I have a 2015 Mercedes E350 ...