A quick online search shows these vehicles were effected:
2015 Ford Edge built 9/1/15-12/21/15 in Oakville, MI
2015-2016 Ford F-150 built 8/1/15 to 5/17/16 in Dearborn MI, 8/31/15 to 4/27/16 in Kansas City
2015-2016 Lincoln MKT built 9/1/15 to 5/10/16 in Oakville, MI
2015-2016 Police Interceptor Sedan built 9/1/15 to 3/19/16 in Chicago
2015-2016 Ford Escape built 9/1/15 to 3/14/16 in Louisville, KY
2015-2016 Ford Explorer built 8/4/15 to 5/25/16 in Chicago
2015-2016 Ford Flex built 9/22/15 to 4/14/16 in Oakville, MI
2015-2016 Ford Fusion built 9/15 to 2/29/16 in Flat Rock, MI, 9/1/15 to 4/4/16 in Hermosillo, Mexico
2016 Lincoln MKX built 9/1/5 to 5/16/16 in Oakville, MI
2016 Ford Mustang built 9/1/15 to 4/26/16 in Flat Rock, MI
2016 Police Interceptor Utility built 9/1/15 to 5/26/16 in Chicago
2016 Ford Taurus built 9/28/15 to 5/2/16 in Chicago
2016 Ford Transit built 9/1/15 to 5/21/16 in Kansas City
https://www.lemonlaw.com/wordpress/ford-electronic-throttle-body/
However, I wonder if this is a continued problem.
Anyway to look for this problem in a pre-purchase inspection?