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Emergency
KNOWN FAULT · Hyundai

Dual-clutch gearbox, carbon and electrics on the i20 II

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

Engine / equipment
Hyundai i20 II (petrol and diesel)
Period mentioned
2014–2020
Symptoms
The 1.2 feels sluggish pulling away; on the 1.0 T-GDI, carboned injectors and intake; with the 7-speed dual clutch, judder when pulling away and overheating warnings in traffic; a radio that freezes, bulbs that blow and the alternator.
Possible cause described
German and Polish used-car guides: a cheap car to run, mostly with minor faults; the 1.0 T-GDI direct injection encourages carbon build-up.
Check for the garage
Test the dual-clutch in traffic; check lights and alternator; clean the 1.0 T-GDI intake if it loses power.
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

Has this happened to you?

Anonymous answer, no personal data.

Frequently asked questions

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.

Calculate estimate
How is it checked?

Test the dual-clutch in traffic; check lights and alternator; clean the 1.0 T-GDI intake if it loses power.

What are the symptoms?

The 1.2 feels sluggish pulling away; on the 1.0 T-GDI, carboned injectors and intake; with the 7-speed dual clutch, judder when pulling away and overheating warnings in traffic; a radio that freezes, bulbs that blow and the alternator.

Which cars and years does it affect?
Brands
Hyundai
Engine / equipment
Hyundai i20 II (petrol and diesel)
Period mentioned
2014–2020

Taking it to a garage?

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

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