P2BAENOx Exceedence - EGR System
NOx emissions are above the legal threshold and the ECU isolates the cause to the EGR system. EGR flow is too low or absent under operating conditions where NOx reduction is required.
Can I keep driving? NO
STOP the vehicle in a safe place. Continuing to drive may cause serious engine damage or put your safety at risk.
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 Pinging or knocking under load Power loss and hesitation Possible rough idle Failed emissions inspection (NOx)
Possible Causes
The components or conditions that trigger this code
- 1EGR valve stuck closed Carbon clogged EGR passages
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Difficulty: hard. Estimated time: 1.5-6 hours. Estimated cost: €300-€
- 2Professional repair recommended
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
Quick Info
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