The contact owns a 2016 Ford Fusion. The contact stated that while driving at various speeds, the vehicle occasionally stalled and hesitated to restart. An unknown warning light was illuminated. The vehicle was taken to a local independent mechanic where the canister purge valve was replaced several times however, the failure reoccurred. The vehicle was taken to a local dealer where the canister purge valve was replaced, and the engine was flushed. The vehicle was repaired out of pocket; however, the failure reoccurred. In addition, the vehicle was taken to a local service center where it was scanned. The manufacturer was made aware of the failure. The failure mileage was approximately 110,000.