KNOWN FAULTS · Hyundai

Known faults for the Hyundai Kona (II).

2023–2026 · Petrol / Hybrid / Electric

Sources are not verified in real time and no entry confirms that your car is affected.

2 known faults with sources

Engines: 1.0 T-GDi (Petrol)

Applies if: Same type of direct-injection turbo engine (T-GDi).

Carbon on the injectors and intake of the T-GDi petrol enginesInjection / turbo

Engine / equipment: Hyundai and Kia 1.0 and 1.6 T-GDi direct-injection turbo petrol engines
Period mentioned: 2015 onwards
Symptoms: Loss of power, higher consumption, hesitation or rough idle, usually at high mileage.
Possible cause described: With direct injection, petrol does not wash the intake valves and carbon builds up on the injectors and intake. German guides mention it for the i20 III, Tucson IV and Picanto III (dirty injectors).
Check for the garage: Read misfire and fuel-trim codes; inspect the injectors and valves with a borescope; clean the intake if there are deposits.
Cost cited in the source: No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Engines: 1.6 Hybrid (Hybrid) · Kona Electric (Electric)

Applies if: The notice does not name the version: confirm by VIN.

Battery wiring on the Kona II that can short-circuit after a crashElectrical and electronic systems

Engine / equipment: Second-generation Hyundai Kona
Period mentioned: 2023–2024
Symptoms: No symptoms in normal use; after an accident the battery wiring can short-circuit and overheat the engine bay.
Possible cause described: Austria’s ÖAMTC published the recall of 751 Kona built from 21/3/2023 to 5/1/2024: the garage reworks the battery wiring in about 30 minutes. In the US the 2024 Kona also had campaigns for a 12 V battery cable that could rub against a bracket.
Check for the garage: Check by VIN at the dealer that the campaign has been done.
Cost cited in the source: Free under the recall.A rough figure from the original database, not an up-to-date quote.