When your 2024 Genesis GV70 displays the P0303 code, the powertrain control module has identified consistent misfires in cylinder 3. The 2024 GV70 continues with refined turbocharged four-cylinder and V6 powertrains.
2024 GV70 Powertrains
The 2024 GV70 offers the 2.5L turbo (300 hp) or 3.5L twin-turbo V6 (375 hp). Cylinder 3 location varies by engine configuration. An electric Electrified GV70 is also available.
Typical Causes
- Ignition Coil Problems: High boost stresses ignition
- Spark Plug Condition: Turbo engines require quality plugs
- Boost System Integrity: Leaks cause lean conditions
- Fuel Injector Issues: Direct injection deposits
- Carbon Deposits: GDI valve accumulation
Diagnostic Process
Use Genesis diagnostic equipment for detailed access. Monitor boost and misfire data. Test ignition components systematically. Check for applicable TSBs.
Repair Recommendations
Replace faulty ignition coils with OEM parts. Install properly specified spark plugs. Repair boost leaks. Dealer service ensures warranty coverage.