Carbon buildup on valves (direct injection)
Often reportedOver time, carbon deposits can form on the intake valves of the 1.6 T-GDi engine; this can cause sluggishness, power loss, and rough running.
Engine Internal
When buying a used Hyundai Tucson 2.4 GDI 2018 (2nd generation), the most frequently mentioned issue is carbon buildup on valves (direct injection). Additionally, abnormal oil consumption is also commonly reported.
Proceed with caution
Most reported issue: Carbon buildup on valves (direct injection). Service history and a test drive matter.
Listed from most frequently reported, each with its source.
Over time, carbon deposits can form on the intake valves of the 1.6 T-GDi engine; this can cause sluggishness, power loss, and rough running.
Engine Internal
Italian owners and forums report higher than normal oil consumption in the 1.6 T-GDi engine; more frequent oil top-ups are needed than expected.
Engine Internal
The 1.6 T-GDi 177 HP engine may show timing chain or tensioner wear warnings at relatively low mileage (sometimes a few tens of thousands of km). A metallic noise when cold is among the symptoms.
Timing chain
Hyundai Tucson 2.4 GDI (2018): boot 585 L; fuel use 9,4 l/100 km (urban 12,9 l/100 km · extra-urban 7,3 l/100 km); 0–100 in 9.9 s.
Same trim, different year
We only publish claims we can verify. Cards come from Difetti fault records matched to this vehicle on brand, fuel, engine and generation.