Manufacturer Code Charts: 2622

[2] Oxidation effect of catalytic converter: Oxidation effect from catalytic converter is less than expected.

Test 1: Check component B19 (TWC temperature sensor).

1. Check component B19 (TWC temperature sensor).
Check component B19 (TWC temperature sensor).
Figure legend

- B19 (TWC temperature sensor)
Possible cause and remedy

- Check threaded connection of component B19 (TWC temperature sensor) and tighten if necessary.
End of test