Catalyst Location
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. 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 | TWC: Front Catalyst | *6 | TWC: Rear Catalyst |
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].