What does code P1154 mean on Isuzu vehicles?
The oxygen sensor transition time on bank 2 sensor 1 is outside normal limits.
OBD-II Code Isuzu
P1154 — Isuzu — HO2S Transition Time Ratio Bank 2 Sensor 1
The oxygen sensor transition time on bank 2 sensor 1 is outside normal limits.
Common symptoms
- Irregular engine performance
Possible causes
- Degraded oxygen sensor
Initial recommendation
Inspect and replace oxygen sensor if transition time is out of range.
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
Use the app to combine Isuzu code P1154 with your vehicle's actual symptoms for more complete diagnostic guidance.
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