I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

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 not ...

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 ...

The Essential Guide to Catalytic Converter and O2 Sensor Diagnostics and Replacement Speakers Clint Cooper, Head Trainer, AP Emissions Andrew Markel, Director of Content, ShopOwner ...

It started the way so many modern car problems do: one tiny warning light and a code that sounded like it came from a robot’s diary. The fix seemed straightforward—replace a sensor, clear the code, ...