This comprehensive training and education package focuses on the major engine systems affecting engine performance and driveability, with topics ranging from engine basics to fuel, ignition, and OBD-II systems. Various manufacturers¦ vehicle systems are represented to illustrate the similarities and differences technicians will encounter today. Current and thoroughly-updated system information and diagnostic strategies in this edition, added to help students keep pace with emerging technologies, include: „_ a new systematic approach to diagnosing problems „_ updated scanner information „_ new engine technology, including the throttle actuator control system „_ new magneto resistive sensors „_ recent emission inspection requirements and mandates specifically regarding OBD II „_ expanded discussion of fuel cell technology „_ expanded discussion of the operation of hybrid vehicles Like other books in the Today¦s Technician series, the Classroom Manual covers the subject fundamentals, discussing theory and operation of each engine system. The Shop Manual provides the service and diagnostic §how to¨ component, with hands-on exercises that reinforce concepts learned in the Classroom Manual. Restructured Job Sheets in the Shop Manual provide a format for students to perform the tasks covered in each chapter.