OBD Case Study: Gone in 6 Seconds

History Prior to the 1980s, vehicle diagnostics were more hands-on,¬†and on-board computers were not fully developed. Identifying a car’s trouble meant testing fuses, relays, and opening up components and performing visual inspections, or using timing lights. During the 1980s and early 1990s, cars became more computer-controlled, such as controlling engine idle, vehicle speed and so…