G4NB engine
The G4NB engine is fitted to 1 generation(s): Hyundai Elantra.
Common problems and what to check
Engine: Hyundai/Kia Nu 2.0 (G4NA, G4NB)
- cylinder scoring
- increased oil consumption
- catalytic converter debris
What to check when buying: cylinder borescope inspection; knocking when cold.
Tip: Change oil every 7–8k km, avoid overheating.