P0420Średni
Wydajność katalizatora poniżej progu — bank 1
Układ napędowy
Sprawdź szczegóły →Catalyst System Efficiency Below Threshold — Bank 2
OBD-II (EN): Catalyst System Efficiency Below Threshold (Bank 2)
Code P0430 — Catalyst System Efficiency Below Threshold — Bank 2. Symptoms: check engine light. Possible cause: worn catalytic converter bank 2. Professional diagnosis recommended.
Check engine light, possible power loss
Worn catalytic converter bank 2, damaged rear oxygen sensor bank 2
Wydajność katalizatora poniżej progu — bank 1
Based on the systems affected by this code, we will most likely start with:
The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.