KNOWN FAULT · Hyundai · Kia

Carbon on the injectors and intake of the T-GDi petrol engines

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

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.

Sources from the original database

Anonymous answer, no personal data.

How much does it cost to repair this fault?

No verified estimate; ask the garage for a quote.

A rough figure from the original database, not an up-to-date quote.

How is it checked?

Read misfire and fuel-trim codes; inspect the injectors and valves with a borescope; clean the intake if there are deposits.

What are the symptoms?

Loss of power, higher consumption, hesitation or rough idle, usually at high mileage.

Which cars and years does it affect?

Brands: Hyundai, Kia
Engine / equipment: Hyundai and Kia 1.0 and 1.6 T-GDi direct-injection turbo petrol engines
Period mentioned: 2015 onwards

Find garages near you and, before you say yes, check whether the quote is reasonable.

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