Gone are the days when a "check engine" light coming on your dashboard automatically meant a costly trip to a main dealer to have your fault code read. Diagnosing issues at home has never been easier.

Modern cars are basically computers on wheels. With so many electrical systems, sensors, and motors, there’s so much that could potentially go wrong. When something does go awry, pinpointing the ...

Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. It’s something no driver wants to see: a check engine light ...