A request to borrow a car code reader raises the dilemma of borrowing from friends (credit: Gemini) A reader asks about the etiquette of a “borrowing policy” between friends. A friend asked to borrow ...

If you own a car built after 1996, it comes equipped with a second-generation onboard diagnostic (OBD or OBDII) system. These systems work together with the vehicle's primary computer or powertrain ...