Caution / Notice / Hint

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the air fuel ratio sensor removal/installation are shown below.

NECESSARY PROCEDURE AFTER PARTS REMOVED/INSTALLED/REPLACED

Replacement Part or Procedure	Necessary Procedure	Effect/Inoperative when not Performed	Link
Replacement of air fuel ratio sensor (sensor 1)	Inspection after repair	Poor idle, etc. Engine start function, etc.	Refer to INITIALIZATION [10/2018 - 08/2021] Refer to INITIALIZATION [08/2021 - ]
Gas leak from exhaust system is repaired	Inspection after repair	Poor idle, etc. Engine start function, etc.

WARNING:

When the engine is hot, do not touch high-temperature areas such as the engine or exhaust manifold.

Touching high-temperature areas such as the engine and exhaust manifold could result in burns.