For technicians who are interested in increasing their diagnostic effectiveness on today's vehicle electronic systems, this book is an absolute "must"! Computerized Engine Controls, 7E tackles both domestic and import engine control systems to help with the understanding of underlying automotive operating principles and concepts needed to diagnose and repair any electronic system on any vehicle. Thoroughly updated to offer insight into the latest technological advances found on today's roads and highways, the 7th Edition examines such cutting-edge topics as hybrid and fuel cell vehicles, GM's 42-volt system, hexadecimal conversion and OBD II, multiplexing, and more.