Written by an experienced truck technician in easy-to-understand language, this book provides a comprehensive introduction to highway diesel engines and their management systems. Coverage of the full range of truck diesels from light duty to heavy duty is provided, as well as the most current diesel engine management electronics used today. New topics include rotary distributor pumps, alternate fuel technologies, multiplexing, Bosch electronic common rail systems, and Cummins CAPS and HPI-TP. Recent innovations in engine technology and greatly expanded coverage of SAE J1667 emissions testing round out the enhancements, making this edition a superior learner's guide and an invaluable reference to the practicing technician