Title: Inspect exhaust after-treatment devices.
Course: Diesel Equipment Technology I (20107-I) > Section: Diesel Engines: Servicing the Air Induction and Exhaust Systems

Inspection should include a visual inspection of aftertreatment components, according to manufacturer guidelines.

ASE 1: I. Diesel Engines: I. Emission Controls (P-1)

Process/Skill Questions:

- What is the purpose of the exhaust aftertreatment devices?
- What are one or more of the aftertreatment components?
- What problems could a leak in the exhaust system, prior to the aftertreatment systems, create?
- Why are the federal and state governments prosecuting individuals and companies that tamper with after-treatment devices?