A P0420 diagnostic code on your 2022 Toyota RAV4 indicates that the catalytic converter efficiency has fallen below acceptable levels. The RAV4's 4-cylinder engines use a single exhaust bank configuration.
2022 RAV4 Powertrain Options
- 2.5L Dynamic Force: 203 hp (gas models)
- 2.5L Hybrid: Combined 219 hp
- 2.5L Prime PHEV: Combined 302 hp
Common Causes
- Converter Issues: Wear or contamination
- O2 Sensor Problems: False codes from faulty sensors
- Exhaust Leaks: Air entering affecting readings
- Engine Problems: Misfires damaging converter
Warranty Note
A 2022 RAV4 should be under emissions warranty (8 years/80,000 miles).