Aftertreatment Emission Systems for Technicians

A complete and accurate understanding of modern aftertreatment emissions systems is vital for proper and efficient maintenance, management and troubleshooting that will keep your trucks on the road out of the shop.

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Course curriculum

1. Diesel Emission Control Overview
1. Three Main Diesel Emissions
2. Oxides of Nitrogen (NOx)
3. Diesel Particulate Matter
4. Carbon Dioxide (CO2)
5. Quiz - Diesel Emissions
1. Exhaust Gas Recirculation (EGR) Overview
2. Exhaust Gas Recirculation (EGR) Theory & Operation
3. Exhaust Gas Recirculation (EGR) Effects
4. Exhaust Gas Recirculation (EGR) Cold vs Hot
5. Quiz - EGR Systems
1. Phase 1 Aftertreatment Introduction
1. Overview (DOC DPF)
2. DPF Primary Function
3. DPF Secondary Function
4. DPF Differential Pressure Sensor
5. DOC Function
6. DOC Fueling
7. DPF Temperature Sensors
8. Crankcase Breather Filter
1. DPF Management
2. DPF Operation
3. Soot & ASH
4. DPF Regen Lemp
5. High Exhaust System Temperature (HEST) Lamp
6. DOC / DPF Summary
1. DPF Regeneration Introduction
2. DPF Regen Methods
3. DOC Intake Temperature Sensor
4. DPF Inlet & Outlet Temperature Sensors
5. Aftertreatment Temperature Sensor Module
6. SOOT Based Regeneration
7. Time Based Regeneration
8. Passive Regeneration
9. Passive Regeneration Fueling
10. Stationary Regeneration
11. Stationary Regen Fueling
12. Active-Mobile Regeneration
13. Active-Mobile Regen Fueling
1. Regeneration Settings
2. Regen in PTO Mode
3. Regen Minimum Speed
4. Regen Temperature Stabilization
5. ASH Load Calculation
6. DPF ASH Cleaning
7. Aftermarket DPF Replacement
8. Fuel / Oil Additives
9. Diesel Emission Systems - Exhaust Smoke Test
10. Diesel Emission Systems - DPF Restriction Test
1. Exhaust Aftertreatment Phase 2 Introduction
1. Overview SCR Catalyst
2. Diesel Exhaust Fluid DEF Overview
1. DEF Dosing System Overview
2. DEF Decomposition Tube
3. DEF Decomposition Process
1. SCR Catalyst
2. Ammonia Oxidation (Slip) Catalyst
3. Intake NOx Sensor
4. Outlet NOx Sensor
5. SCR Temperature Sensors
1. DEF Dosing System Flow
2. DEF Dosing Unit
3. DEF Controller
4. DEF Tank & Sending Unit
5. DEF Tank Heater Control Valve
1. 11.06 - Diesel Emission Systems - DEF Dosing System States
2. 11.07 - Diesel Emission Systems - Initializing State
3. 11.08 - Diesel Emission Systems - Priming State
4. 11.09 - Diesel Emission Systems - Dosing State
5. 11.10 - Diesel Emission Systems - Purging State
6. 11.11 - Diesel Emission Systems - DEF System Heating
7. 11.12 - Diesel Emission Systems - Defrost State
8. 11.13 - Diesel Emission Systems - Maintenance Heat

About this course

Free
73 lessons
1 hour of video content

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Aftertreatment Emission Systems for Technicians

Course curriculum

Course Introduction

Diesel Emissions Overview

Exhaust Gas Recirculation (EGR)

Aftertreatment Systems - Phase 1

Diesel Oxidation Catalyst (DOC) & Diesel Particulate Filter (DPF)

Diesel Particulate Filter (DPF) Strategy & Management

Diesel Particulate Filter (DPF) Regenerations

Diesel Particulate Filter (DPF) Maintenance & Testing

Aftertreatment Systems Phase 2

Selective Catalytic Reduction (SCR) & Diesel Exhaust Fluid (DEF) Overview

Diesel Exhaust Fluid (DEF) Conversion Process

SCR System Operation

Diesel Exhaust Fluid (DEF) Dosing System

Diesel Exhaust Fluid (DEF) Dosing System States

About this course

Discover your potential, starting today