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MD HD: Diesel Aftertreatment 

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About the Course

The MD HD: Diesel Aftertreatment course provides students with the knowledge and skills needed to understand, diagnose, and maintain diesel aftertreatment systems in medium and heavy duty vehicles. Students will explore essential topics such as diesel exhaust chemistry, particulate filters, diesel oxidation catalysts, selective catalytic reduction, and system sensors to build a strong technical foundation.

Lessons Available in This Course

  • MD HD: Aftertreatment System Components
  • MD HD: Check for Understanding - Diesel Exhaust Aftertreatment System Operation
  • MD HD: Check for Understanding - Selective Catalytic Reduction
  • MD HD: DEF Components
  • MD HD: Diesel Aftertreatment Course Conclusion & Post-Test
  • MD HD: Diesel Aftertreatment Course Overview & Pre-Test
  • MD HD: Diesel Exhaust Chemistry
  • MD HD: Diesel Oxidation Catalyst
  • MD HD: Diesel Particulate Filter
  • MD HD: Diagnostic Starting Point
  • MD HD: Exhaust System Service
  • MD HD: HD-OBD Case-Based Reasoning
  • MD HD: HD-OBD System & Monitors
  • MD HD: Introduction to Selective Catalytic Reduction
  • MD HD: Passive/Active System Regeneration
  • MD HD: System Sensors Operation & Service

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