A P0420 diagnostic code on your 2022 Ford Explorer indicates that Bank 1's catalytic converter efficiency has fallen below acceptable levels. The 2022 Explorer offers multiple engine options with different exhaust configurations.
2022 Explorer Engine Options
- 2.3L EcoBoost 4-cylinder: 300 hp (single bank)
- 3.0L EcoBoost V6: 400 hp (dual bank)
- 3.3L V6 Hybrid: 318 hp (dual bank)
V6 models have dual exhaust banks - P0420 affects Bank 1 specifically.
Common Causes
- Converter Issues: Wear or contamination
- O2 Sensor Problems: False codes
- Exhaust Leaks: Air entering system
- EcoBoost Turbo: Heat-related issues
Warranty Note
A 2022 Explorer should be under emissions warranty.