P0442 on Your 2024 Kia Telluride
The P0442 code on your 2024 Kia Telluride 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 Telluride features the 3.8L V6 with an 8-speed automatic. As a current model year under full warranty, dealer service is the clear choice. Kia's EVAP system uses the PCSV, CCV, and FTPS.
Possible Causes
- Gas Cap Issue — Loose or cross-threaded. Check first.
- Software Calibration — Kia may have ECM calibration updates.
- PCSV Defect — Factory-defective Purge Control Solenoid Valve.
- CCV Issue — Canister Close Valve manufacturing defect.
- FTPS Calibration — Sensor calibration refinement.
Warranty-First Approach
- Check the gas cap — Free and may resolve the code.
- Visit your Kia dealer — 5-year/60,000-mile basic warranty and 8-year/80,000-mile federal emissions warranty cover all work at no cost.