Recent SemestersFall 2026, Summer 2026, Fall 2025, Summer 2025Class SizeNot publishedCredits6PrerequisiteAT 331 and AT 333 with grades of "C" or better Transfers ToCSUDescriptionThis course covers the principles, operation, and diagnosis of automotive engine performance systems including engine mechanics, ignition, fuel delivery, and electronic engine controls. It includes extensive troubleshooting, use of diagnostic test equipment, lab oscilloscopes, scantools, and emission analyzers. Along with completion of AT 333, this course meets Automotive Service Excellence (ASE) certification standards for the A8 Engine Performance certification. This course is formerly known as AT 326.Usually HeldTue Thu Fri 6:00pm–7:20pm, Tue Thu Fri 7:30pm–8:50pm, Mon Tue Wed Thu 11:15am–2:20pm, Mon Tue Wed Thu 8:00am–11:05am