Online Self-Paced Diesel Fuel And Aftertreatment Systems Workshop

Important Information:
Class Workbook Access:
Upon enrollment and payment confirmation, you will receive an email containing an invite link and a coupon code to access your class workbook. Please note that the workbooks are in electronic (Etext) format, not paperback and not printable. 

About this course:

This course will update the Technician's knowledge and understanding of modern-day diesel vehicles. It covers the theory, operation, and diagnostic processes of diesel engines. Additionally, the course provides an in-depth knowledge of new technologies that lower emissions through a new generation of aftertreatment emission control systems.

The course discusses fundamental diesel topics such as diesel engine operation, compression fuel ignition, air intake systems, and turbocharging. It also covers diesel aftertreatment OBD II monitors.


Our instructor has over 25 years of experience in the automotive industry and is a technical advisor and automotive instructor. Each chapter comes with a video presentation and assessments at the end of each chapter to gauge the student's learning. At the end of the course, students are presented with a final assessment that they must pass with a score of 70% or better to receive credit and proof of completion.

Subjects covered include:

  • Diesel Engine Operation
  • Air Induction and EGR Systems
  • High-Pressure Common Rail (HPCR) Diesel Fuel   Systems
  • Hydraulically Actuated Electronic Unit Injector (HEUI) Systems
  • Exhaust and Aftertreatment Systems 
  • OBDII Diesel Monitors