OK Ford has released a programme to deal with this. Read about it in the following link.
[http://www.revbase.com/BBBMotor/TSb/DownloadPdf?id=182373|Ford Programme.]
And [https://static.nhtsa.gov/odi/inv/2011/INOT-PE11018-59208.pdf|here official Ford dealer letter].
While these [https://www.cars.com/recalls/ford-freestyle-2005/|recalls] aren't related to your problem, you may want to get your local dealer to check if your vehicle has been fixed.
[https://cars.usnews.com/cars-trucks/daily-news/110516-nhtsa-investigates-ford-freestyle-for-lunging-problems|This] is related to your issue, might want to bring this to your mechanics attention.