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 ...

Your car is full of electrical components that monitor and control various systems and functions. There are so many that it can be a real pain when one or more of them starts to act up. Complicating ...

Q: My 2000 Nissan Pathfinder was diagnosed with a knock sensor problem after a mechanic scanned the OBD2 codes. (The check engine light is on.) It did not pass the annual inspection. The car has no ...