Investigating P0442 on Your 2023 Kia Telluride
A P0442 code on your 2023 Kia Telluride means the engine control module has found a small leak in the evaporative emission control system. P0442 flags a leak roughly 0.020 inches in diameter.
The 2023 Telluride features a refreshed design with the 3.8L V6 and 8-speed automatic. Kia's EVAP system uses the PCSV, CCV, and FTPS. As a relatively new vehicle under full warranty, dealer service is recommended.
Probable Causes
- Gas Cap Issue — Loose or cross-threaded. Check first.
- PCSV Issue — V6 heat can begin to stress the Purge Control Solenoid Valve even after a couple years.
- CCV Concern — Canister Close Valve sealing issue from moisture.
- Software Calibration — Kia may have updates for the refreshed Telluride's EVAP monitoring.
- Vapor Line Looseness — Fitting looseness on the larger SUV platform.
Warranty Coverage
- Check the gas cap — Free first step.
- Visit your Kia dealer — Your 2023 Telluride is within Kia's 5-year/60,000-mile basic warranty. All repairs at no cost.