P0442 on Your 2024 Kia K5
The P0442 code on your 2024 Kia K5 indicates the engine control module has detected a small leak in the evaporative emission control system. P0442 flags a leak roughly 0.020 inches in diameter.
The 2024 K5 is available with a 2.5L four-cylinder or 2.5L turbocharged engine (GT). Kia's EVAP system uses the PCSV, CCV, and FTPS. As a current model year, your K5 is fully covered by Kia's generous warranty.
Possible Causes
- Gas Cap Issue — Loose or cross-threaded. Check first.
- Software Calibration — Kia may have updates for the K5's EVAP monitoring.
- PCSV Defect — A factory-defective Purge Control Solenoid Valve.
- CCV Issue — A Canister Close Valve manufacturing defect.
- FTPS Calibration — Sensor calibration drift.
Warranty-First Approach
- Check the gas cap — Free and may resolve the code.
- Visit your Kia dealer — The 5-year/60,000-mile basic warranty and 8-year/80,000-mile federal emissions warranty cover all P0442 work at no cost.
- Ask about TSBs — Request EVAP-related bulletin check.