Theory and practice surrounding engine performance and driveability. Topics include the systems and components that affect engine performance and the proper procedures for diagnosing and repairing those systems. Emphasis on developing and following a logical diagnostic process. Skills developed include using electronic repair information systems and diagnostic equipment, both manufacturer-specific and generic. Laboratory work involves school-owned vehicles and live repairs on customer-owned vehicles. 4 Credits (3 Lecture - 3 Lab) Prerequisite(s): AMT121 and AMT126 and MTH011 or AMT121 and AMT126 and MTH005 or AMT121 and AMT126 and Placement by Examination.