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P0134
O2 sensor circuit no activity detected (bank 1 sensor 1)
O2 sensor circuit no activity detected (bank 1 sensor 1)
Applies to: Generic SAE definition - verify applicability to the specific X-TYPE variant · Confidence: Generic SAE definition (not Jaguar-specific)
Common causes
- Sensor disconnected or dead
- Exhaust leak
- Heater fault
Quick checks
- Scan access: Generic OBD-II scan tool
Typical fixes
- Check the connector and heater circuit
- Replace the sensor