What does code PO441 evaporative emission control purge system?

Code PO441 refers to a malfunction in the evaporative emission control (EVAP) purge system, which is part of a vehicle's emissions control system. This code indicates that the system is not functioning correctly, potentially due to issues like a faulty purge valve, a vacuum leak, or problems with the EVAP canister. When the purge system doesn't operate properly, it can lead to increased emissions and may trigger the check engine light. Diagnosing and addressing the underlying issue is essential for maintaining emissions compliance and optimal engine performance.