What does code P0152 mean?
High voltage detected from the front oxygen sensor indicating rich mixture or short circuit
OBD-II Code
P0152 — Oxygen Sensor Circuit High Voltage Bank 2 Sensor 1
High voltage detected from the front oxygen sensor indicating rich mixture or short circuit
Common symptoms
- Dark exhaust smoke
- fuel odor
- high fuel consumption
Possible causes
- Signal shorted to voltage
- damaged sensor
- faulty fuel pressure regulator
Initial recommendation
Check wiring, verify fuel pressure and replace sensor if required.
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 P0152 with your vehicle's actual symptoms for more complete diagnostic guidance.
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