G4KD engine
The G4KD engine is fitted to 2 generation(s): Hyundai ix35, Kia Sportage.
Common problems and what to check
Engine: Hyundai/Kia Theta II (G4KD, G4KE, G4KJ)
- cylinder scoring (especially the direct-injection G4KJ)
- knocking and oil consumption
- catalytic converter debris in the cylinders
What to check when buying: knocking on a warm engine; oil consumption; cylinder borescope inspection is a must; VIN recall campaigns.
Tip: One of the riskiest engines on the used market; don't buy without a borescope inspection.