Recent SemestersFall 2026, Spring 2026Class SizeNot publishedCredits5PrerequisiteAUTO 151 and AUTO 166 or MTRK 152A and MTRK 156B or by department consent based upon individual's experience or ASE certifications or manufacturer certification. Transfers ToNot transferableDescriptionIntended for Automotive and Medium/Heavy Truck students, this course covers the theory of operation of 4-stroke diesel engines along with the theory of operation, testing and inspection, and service repair of air-inlet systems (including forced induction), exhaust systems, fuel-delivery systems (including mechanical and electronic engine controls), and emission-control systems. Course prepares students for ASE A9 and/or T2 certification.Usually HeldMon Wed 5:00pm–7:05pm, Tue Thu 5:00pm–7:05pm 