3 Credit Prerequisite(s): AAD 1110 & AAD 1150 A study of fuel and emission management systems and component parts. Emphasis is on throttle body injection, fuel pumps, emission control systems and tune-up procedures. Exhaust gas analyzers and chassis dynamometer are used in diagnostic training. Testing equipment includes voltmeters, ammeters, vacuum gauges and limited use scan tools. Federal and State emission laws are researched. Lab projects are completed on vehicles in the shop and on interactive computerized trainers.