Catalyst Location
WARNING: This page is about a different car, the 2024 Lexus ES 250, 2023 Lexus ES 250, 2022 Lexus ES 250, and 2021 Lexus ES 250. However, it is still accessible from the selected car via links, so may be relevant.
| *1 | Air Fuel Ratio Sensor (Sensor 1) | *2 | Air Fuel Ratio Sensor (Sensor 2) |
| *3 | Exhaust Manifold | *4 | Front Exhaust Pipe Assembly |
| *5 | Center Exhaust Pipe Assembly | *6 | Tail Exhaust Pipe Assembly |
| *7 | TWC: Front Catalyst | *8 | TWC: Rear Catalyst |
| *9 | Tail Exhaust Pipe Assembly LH | - | - |
NOTE:
When replacing the exhaust manifold (*3) and the front exhaust pipe assembly (*4) in order to replace the three-way catalytic converter, it is not necessary to replace the air fuel ratio sensor (sensor 1) (*1) and the air fuel ratio sensor (sensor 2) (*2).