What does code P1150 mean on Mazda vehicles?
The oxygen sensor on bank 2 sensor 1 is not switching, causing fuel control limits to be reached.
OBD-II Code Mazda
P1150 — Mazda — HO2S Bank 2 Sensor 1 Not Switching (Fuel Control Limit Reached)
The oxygen sensor on bank 2 sensor 1 is not switching, causing fuel control limits to be reached.
Common symptoms
- Check engine light
- increased emissions
Possible causes
- Failed oxygen sensor
Initial recommendation
Replace oxygen sensor and verify fuel control operation.
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.
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