P223CO2 Sensor Pumping Current Range/Performance (Bank 1)
The pumping current of the wide-band O2 sensor on bank 1 is in electrical range but plausibility check fails. Wide-band sensors use a pumping cell that adjusts oxygen concentration in a reference chamber; the current required is proportional to lambda.
Can I keep driving? With caution
You can drive to the shop, but do not postpone the repair. The problem may worsen and damage other components.
Sistema Afectado
Motor · Powertrain
La falla pertenece al grupo motopropulsor (motor y gestión electrónica).
Espacio para vendedores de repuestos
Aún no hay un anunciante en este espacio.
Symptoms You Will Notice
What you may observe when this code appears
- Check engine light on Increased fuel consumption Possible rough idle or hesitation Failed emissions test
Possible Causes
The components or conditions that trigger this code
- 1Pumping cell aged Sensor element aged beyond calibration window Sensor mounting loose - signal damping
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Difficulty: medium. Estimated time: 0.5-2.5 hours. Estimated cost: €80-€
- 2DIY possible
Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.
Estimated Cost
Approximate range in USD (varies by region and shop)
Varies by diagnosis
* Diagnosis only: $50–$150
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