P0420Średni
Wydajność katalizatora poniżej progu — bank 1
Układ napędowy
Sprawdź szczegóły →P0136
ŚredniOxygen Sensor Bank 1 Sensor 2 — Circuit Malfunction
OBD-II (EN): O2 Sensor Circuit (Bank 1, Sensor 2)
Code P0136 — Oxygen Sensor Bank 1 Sensor 2 — Circuit Malfunction. Symptoms: check engine light. Possible cause: worn oxygen sensor behind catalyst. Professional diagnosis recommended.
Symptoms
Check engine light, increased emissions, no drivability symptoms (post-cat sensor)
Possible causes
Worn oxygen sensor behind catalyst, damaged wiring (heat exposure), connector corrosion
Affected systems
Silnik spalinowyUkład wydechowy
Related codes
Suggested Hybspec services
Based on the systems affected by this code, we will most likely start with:
Tags and synonyms
Does code P0136 require professional diagnostics?
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.