Mack Emissions Diagnostics Study Guide

This self-study guide provides an overview of important emissions related systems design and function. The purpose of this guide is to improve your knowledge in emissions systems to help prepare you for more complex vehicle diagnostics.

Key information covered in this guide is intended to act as a bridge between prerequisite eLearning and facilitator-led courses. It is recommended the following eLearning courses are reviewed before continuing

• Exhaust Aftertreatment System (EATS) Overview
• SCR Familiarization