Air Injection Reaction (A.I.R.) Diagnosis and Understanding-Pt1

Understanding the theory of operation and components of most secondary air injection reaction (AIR) systems and how to diagnose them. Part one covers theory of operation, components, computer control and monitoring and diagnosis of the AIR pump. Part 2 is here:    • Air Injection Reaction (A.I.R.) Diagnosis ...   Helpful links for understand O2 sensor validation of components:    • P0420 P0430 catalytic converter catalyst i...   and    • Secret of Engine Problem Diagnosis- Fuel T...