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?