Introduction to the troubleshooting and repair of electronic fuel injection systems used by the major manufacturers of on-highway, heavy-duty diesel engines and the major truck manufacturers that utilize these engines. Topics include troubleshooting and repair, laptop computers and diagnostic readers, wiring circuitry and connections, wiring schematics, electronic component testing, maintenance, and adjustments and tune-ups. 3 Credits (1 Lecture - 6 Lab) Prerequisite(s): DSM116 and DSM119 and DSM120 and DSM154 and DSM289. Spring Only.