Visual Inspection
Check "Air intake/exhaust system"
▶ Check looseness, deterioration or contamination on air cleaner, throttle body and gasket.
▶ Check contamination, damage or clog on exhaust gas system.
Is the air intake/exhaust system O.K?
YES
Go to "Component inspection" procedure.
NO
Repair as necessary and go to "Verification of vehicle Repair" procedure.