AT 121 — AT 121
Engine Repair Diagnostics – 2 Credits Prerequisite: A grade of “C” or higher in AT 100 This course is designed to provide the theory and application of general diagnostic procedures of the internal combustion engine (ICE). Students will learn engine diagnostic proce - dures such as cylinder power balance testing, compression testing, cylinder leak down testing, and vacuum testing. Students will also learn how to read and analyze the result of the tests.