P121E MINI - Nitrogen Oxide Sensor Linear Oxygen Sensor Line Disconnection

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

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: 1.0

    The 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 Meaning

The 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.
OBDII Code P121E MINI - Nitrogen Oxide Sensor Linear Oxygen Sensor Line Disconnection - Engine-Codes.com

P121E MINI More Information

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