NHTSA Complaint #11477131 — 2018 FORD F-150

The contact owns a 2018 Ford F-150. The contact stated that upon starting the vehicle, the engine emitted abnormal knocking and rattling sounds. There was no warning light illuminated. The contact was able to continue driving. The contact stated that the failure had been reoccurring while starting the vehicle. The vehicle was taken to the local dealer where an unknown software was updated under Ford Customer satisfaction Program Number: 21B10. The dealer informed the contact that an unknown part would be replaced in the event that the software update did not correct the issue. The failure persisted. The vehicle was taken back to the dealer who informed him that the unknown part could no longer be replaced as Ford Service Campaign Number: 21N03 had expired in February 2022. However, the contact had not received a letter. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA. The failure mileage was approximately 60,000.