Title: Identify major components of emissions control systems.
Course: Automotive Fixed Operations (20906) > Section: Understanding Major Components of Parts Systems

Identification should include

- major components
- function
- common reasons for replacement
- related items, including fluids and service chemicals
- basic use, maintenance, installation, and warranty information.

Process/Skill Questions:

- What is a catalytic converter?
- What is the function of a diesel particulate filter (DPF)?
- How does an exhaust gas recirculation (EGR) valve reduce nitrogen oxide emissions?
- What is the function of an evaporative emissions control system?