Caution / Notice / Hint
WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Inspect the fuses for circuits related to this system before performing the following procedure.
HINT:
DTC P050B-00 may be set when the engine has the symptoms listed below. If necessary, check the trouble areas listed below.
| Symptoms | Factor | Trouble Area |
|---|---|---|
| Low idle speed when engine is cold (immediately after engine start) |
Excessive engine friction |
|
| Rough idle when engine is cold (immediately after engine start) |
Abnormal combustion | Fuel quality |