P121E MINI - Nitrogen Oxide Sensor Linear Oxygen Sensor Line Disconnection
P121E MINI Possible Causes
- Faulty Nitrogen Oxide (NOx) Sensor Linear Oxygen Sensor
- Nitrogen Oxide (NOx) Sensor Linear Oxygen Sensor harness is open or shorted
- Nitrogen Oxide (NOx) Sensor Linear Oxygen Sensor circuit poor electrical connection
How do I fix code P121E MINI
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the P121E MINI code
Labor: 1.0The cost of diagnosing the P121E MINI code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
P121E MINI Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P121E MINI MeaningThe Engine Control Module (ECM) monitors the Nitrogen Oxide (NOx) Sensor Linear Oxygen Sensor. The ECM sets the OBDII code when the Nitrogen Oxide Sensor Linear Oxygen Sensor is not to factory specifications.
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