The contact owns a 2017 Ford Focus. The contact stated that the vehicle was idling very rough. The contact stated that while idling, the vehicle shuddered and jerked significantly, and the vehicle stalled. The vehicle was able to restart. Additionally, the contact stated while driving at an undisclosed speed, the vehicle stalled. The contact was able to pull into a parking lot. The contact was able to restart the vehicle with assistance. The contact stated that the check engine warning light had illuminated several times. The vehicle was taken to AutoZone, where diagnostic trouble codes related to a stuck canister purge valve were retrieved. Additionally, the vehicle was taken to the dealer, where it was diagnosed that the transmission clutch and the engine mount needed to be replaced. The contact related the failure to NHTSA Campaign Number: 18V845000 (Power Train); however, the VIN was not included. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 65,000.