Catalyst Location
WARNING: This page is about a different car, the 2025 Toyota GR Corolla, 2024 Toyota GR Corolla, and 2023 Toyota GR Corolla. However, it is still accessible from the selected car via links, so may be relevant.
| *1 | Exhaust Manifold (TWC: Front Catalyst) | *2 | Front Exhaust Pipe Assembly (TWC: Rear Catalyst) |
| *3 | Tail Exhaust Pipe Assembly | *4 | Air Fuel Ratio Sensor (Sensor 1) |
| *5 | Air Fuel Ratio Sensor (Sensor 2) | - | - |
NOTE:
When replacing the exhaust manifold (*1) and the front exhaust pipe assembly (*2) in order to replace the three-way catalytic converter, it is not necessary to replace the air fuel ratio sensor (sensor 1) (*4) and the air fuel ratio sensor (sensor 2) (*5).