Posts Tagged: P0456 Kia

P0456 Kia

February 5, 2020

Fix P0456 Kia A P0456 Kia trouble code indicates a small leak in the evaporative emissions system. See this post to understand how evap systems work in general. In the case of the P0456 Kia trouble code, the problem is usually caused by a back canister closed valve or a leaking charcoal canister. Here’s how the system works. To conduct an evap integrity test, the PCM closes the Canister Close Valve (CCV). It’s an electric solenoid valve located at the charcoal canister. The CCV valve opens during a canister purge … Read More