Initial Inspection and Diagnostic Overview

1. Verify the customer's concern by operating the exhaust system to duplicate the condition.





2. Inspect to determine if any of the mechanical or electrical concerns apply.
3. If the inspection reveals an obvious concern that can be readily identified, repair it as required.
4. If the concern remains after the inspection, determine the symptom(s) and go to the Symptom Chart.Symptom Related Diagnostic Procedures