2022 Kia Forte P0456: Very Small EVAP Leak Repair

Examining P0456 on Your 2022 Forte

Your 2022 Forte has flagged P0456—a very small EVAP leak at 0.020 inches. The 2.0L MPI (or 1.6L turbo GT) uses a standard EVAP system shared across the Hyundai/Kia lineup. Well within Kia's 5yr/60k warranty.

Clues

• Check engine light on
• P0456 stored
• No drivability issues
• Gas cap may feel loose

Causes

1. Gas Cap Seal (High Likelihood): Loose or debris. $0 warranty.
2. Purge Control Solenoid Valve (High Likelihood): Standard failure. $0 warranty.
3. Canister Close Valve (Medium Likelihood): Vent control. $0 warranty.
4. EVAP Hose (Medium Likelihood): Connection. $0 warranty.
5. FTP Sensor (Low Likelihood): Sensitivity. $0 warranty.

What to Do

1. Reseat gas cap
2. Warranty appointment—Kia 5yr/60k through 2027
3. Free repair

Cost

• Under warranty: $0
• 5yr/60k through 2027
• Federal emissions through 2030

Can I Drive?

Yes. P0456 has zero performance or safety impact.

Warranty

Kia's 5yr/60k through 2027. 10yr/100k powertrain. Federal emissions 8yr/80k through 2030.

Frequently Asked Questions