An oxygen sensor must be hot (about 600 degrees or higher) before it will start to generate a voltage signal that it sends to the ECU, so many oxygen sensors have a small heating element inside to ...

We may receive a commission on purchases made from links. Modern cars are designed to be more efficient and eco-friendly than ever. Automakers build vehicles with a wealth of advanced features to ...

One of the components of these systems is the oxygen sensor or O2 sensor. Most modern vehicles have at least two O2 sensors: an upstream sensor and a downstream sensor. These devices monitor the ...