Investigating P0456 on Your 2022 K5
Your 2022 K5 has flagged P0456—a very small EVAP leak. The 1.6L turbo (or 2.5L turbo GT) uses a standard EVAP system. Well within Kia's 5yr/60k warranty.
Clues
- Check engine light on
- P0456 stored
- No performance issues
- GT turbo (if equipped) unaffected
Causes
- Gas Cap Seal (High Likelihood): Loose or debris. $0 warranty.
- Purge Control Solenoid Valve (High Likelihood): Standard failure. $0 warranty.
- Canister Close Valve (Medium Likelihood): Vent control. $0 warranty.
- EVAP Hose (Medium Likelihood): Connection. $0 warranty.
- FTP Sensor (Low Likelihood): Sensitivity. $0 warranty.
What to Do
- Reseat gas cap
- Warranty appointment—Kia 5yr/60k through 2027
- Free repair
Cost
- Under warranty: $0
- 5yr/60k through 2027
- Federal emissions through 2030
Can I Drive?
Yes. P0456 has zero impact on any K5 variant.
Warranty
Kia's 5yr/60k through 2027. 10yr/100k powertrain. Federal emissions 8yr/80k through 2030.