A P0420 diagnostic code on your 2024 Ford F-150 indicates that Bank 1's catalytic converter efficiency has dropped below acceptable thresholds. On a brand-new truck, this code requires careful investigation.
2024 F-150 Engine Options
- 3.3L V6: 290 hp
- 2.7L EcoBoost V6: 325 hp (turbo)
- 3.5L EcoBoost V6: 400 hp (turbo)
- 5.0L V8: 400 hp
- 3.5L PowerBoost Hybrid: 430 hp
All V6 and V8 options have dual exhaust banks - P0420 affects Bank 1.
P0420 on New Vehicle
True converter failure is rare on new trucks. More likely:
- O2 Sensor Issues: Faulty sensors
- Software Calibration: ECM updates
- Exhaust Problems: Manufacturing defects
Warranty Coverage
A 2024 F-150 is fully covered under warranty.