Catalyst Location
WARNING: This page is about a different car, the 2022 Toyota Corolla, 2021 Toyota Corolla, 2020 Toyota Corolla, and 2019 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
| *1 | Air Fuel Ratio Sensor | *2 | Heated Oxygen Sensor |
| *3 | Exhaust Manifold | *4 | TWC: Front Catalyst |
| *5 | TWC: Rear Catalyst | *6 | Front Exhaust Pipe Assembly |
| *7 | Tail Exhaust Pipe Assembly | - | - |
NOTE:
Replace the front exhaust pipe assembly (*6) when catalyst replacement is necessary. (Excluding heated oxygen sensor (*2))