NHTSA Complaint #11673948 — 2019 FORD FUSION

The contact owns a 2019 Ford Fusion. The contact stated that the vehicle was shaking abnormally at start-up. The vehicle was taken to the dealer however, a cause for the issue was not found. The failure persisted, and the check engine warning light illuminated. The contact's husband replaced the spark plugs and ignition coils; however, several days later, the failure reoccurred, and the spark plugs, and ignition coils were replaced an additional three separate times due to the persistent failure. The vehicle was then taken to an independent mechanic where a diagnostic test indicated that there was coolant intrusion into cylinder #3. The manufacturer was notified of the failure and informed the contact that there were no recalls on the vehicle. The contact was then referred to the NHTSA Hotline to report the failure. The vehicle was not repaired. The failure mileage was approximately 94,000.