What does code P0150 mean?
General fault detected in the front oxygen sensor on bank 2
OBD-II Code
P0150 — Oxygen Sensor Circuit Malfunction Bank 2 Sensor 1
General fault detected in the front oxygen sensor on bank 2
Common symptoms
- High fuel consumption
- incorrect mixture
- unstable idle
Possible causes
- Faulty oxygen sensor
- burned wiring
- exhaust leak before sensor
Initial recommendation
Inspect wiring and exhaust leaks, replace oxygen sensor.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0150 with your vehicle's actual symptoms for more complete diagnostic guidance.
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