P0300Wysoki
Wykryto losowe zapłony w wielu cylindrach
Układ napędowy
Sprawdź szczegóły →P0300HK
WysokiRandom misfire — GDI (Hyundai/Kia)
OBD-II (EN): Random Cylinder Misfire Detected GDI
Code P0300HK — Random misfire — GDI (Hyundai/Kia). Symptoms: jerking. Possible cause: carbon buildup on intake valves (GDI issue — no fuel washing over valves). Professional diagnosis recommended.
Symptoms
Jerking, vibrations, flashing check engine light
Possible causes
Carbon buildup on intake valves (GDI issue — no fuel washing over valves), faulty GDI injectors, faulty spark plugs
Affected systems
Silnik spalinowyUkład zapłonowy
Related codes
Universal version
This code has a universal OBD-II form:
P0300Wykryto losowe zapłony w wielu cylindrachCode P0300HK appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
Does code P0300HK 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.