Symptom Related Diagnostic Procedures
Emission Control System
Symptom to Sub-system Chart
NOTE: Across each row in the chart, the sub systems that could be sources of a symptom are ranked in the order they should be inspected, starting with 0 Find the system in the left column, read across to the most likely source, then refer to the sub-system listed at the top of that column. If inspection shows the system is OK, try the next system 02, etc.