The contact owns a 2018 Ford Transit. The contact stated while driving at various speeds, the vehicle made an abnormal whistling sound. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic, where an unknown sensor was replaced, and the check engine warning light was no longer illuminated. Additionally, the contact stated while driving 60 MPH with her husband and 5 children in the vehicle, they all started having severe headaches, were dizzy and her daughter 's ears were ringing. The contact stated that she pulled to the side of the road for a moment. Then she rolled down the windows and drove to the residence. The contact stated that her 5 years old and 8 years old vomited upon arriving at the residence. The contact and her family did not seek medical assistance. The contact stated that they were able to recover after 24 hours. The vehicle was taken to an independent mechanic, where it was diagnosed that the exhaust manifold bolts were fractured, causing carbon monoxide to leak inside the cabin of the vehicle. The vehicle was not repaired. The dealer was not notified of the failure. The manufacturer was notified of the failure and informed the contact that they aware of the failure and that an improved part had been made. The manufacturer referred the contact to the NHTSA hotline for assistance. The failure mileage was approximately 110,000.
NHTSA ODI 11577564