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 car engine control systems rely on input from several sensors to regulate the engine’s performance as well as its emissions and other vital functions. When these sensors fail to provide ...

I have a Toyota Aygo, purchased new in September 2015. Just before it was five years old it needed a replacement oxygen sensor, at about 17,000 miles. To their credit, this was done by Toyota under ...