What does code P0167 mean?
The heater circuit of oxygen sensor B2S3 is not operating
OBD-II Code
P0167 — Oxygen Sensor Heater Circuit Malfunction Bank 2 Sensor 3
The heater circuit of oxygen sensor B2S3 is not operating
Common symptoms
- Cold start issues
- high fuel consumption during startup
Possible causes
- Damaged internal heater resistance
- blown system fuse
- broken wiring
Initial recommendation
Check fuse, repair wiring and 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 P0167 with your vehicle's actual symptoms for more complete diagnostic guidance.
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