P123E BMW - Nitrogen Oxide Sensor Sensor Poisoning NOx Signal Too Low
- Faulty Nitrogen Oxide (NOx)
- Nitrogen Oxide (NOx) harness is open or shorted
- Nitrogen Oxide (NOx) circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P123e Bmw DescriptionThe Engine Control Module (ECM) monitors the Nitrogen Oxide Sensor. The ECM sets the OBDII code when the Nitrogen Oxide Sensor is not to factory specifications.
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