What does code P1153 mean on Lexus vehicles?
The air/fuel ratio sensor on bank 2 sensor 1 responds slowly to air-fuel mixture changes.
OBD-II Code Lexus
P1153 — Lexus — Air/Fuel Ratio Sensor Circuit Response Malfunction (Bank 2 Sensor 1)
The air/fuel ratio sensor on bank 2 sensor 1 responds slowly to air-fuel mixture changes.
Common symptoms
- Elevated emissions
- reduced efficiency
Possible causes
- Deteriorated air/fuel ratio sensor
Initial recommendation
Replace air/fuel ratio sensor and verify proper fuel control.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
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