4 Runner SR5 2WD V6-3.4L (5VZ-FE) (1997)
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Catalytic Converter: Testing and Inspection
THREE-WAY CATALYTIC CONVERTER (TWC) INSPECTION
1. Check TWC for dents or damage.
If any part of the protector is damaged or dented to the extent that it contacts the three-way catalytic converter, repair or replace it.
2. Check connections exhaust pipe for looseness or damage.
3. Check exhaust pipe clamps for weakness, cracks or damage.
4. Check heat insulator for damage.
5. Check for adequate clearance between catalytic converter and heat insulator.
