Checking should include a visual inspection to look for
- exhaust gas leaks with smoke machine
- interference issues between the exhaust system and the cab or chassis
- leaks or loose fittings on the EGR
- problems with wires, hoses, and fittings on the after-treatment system
and recording the findings.
ASE 1: I. Diesel Engines: I. Emission Control (P-1)
Process/Skill Questions:
- What is the purpose of the EGR system?
- What can cause leaks or loose fittings on the EGR?