Ford Flex engine problems by year
181 NHTSA owner complaints name the engine across 11 Flex model years. The most reported year is 2009 with 36 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2019 Flex | 5 | 2% | — | |
| 2018 Flex | 1 | 2% | — | |
| 2017 Flex | 1 | 2% | — | |
| 2016 Flex | 7 | 7% | — | |
| 2015 Flex | 11 | 11% | — | |
| 2014 Flex | 22 | 9% | 72,600 mi | |
| 2013 Flex | 32 | 6% | 60,000 mi | |
| 2012 Flex | 11 | 17% | 108,300 mi | |
| 2011 Flex | 25 | 17% | 90,000 mi | |
| 2010 Flex | 30 | 22% | 90,000 mi | |
| 2009 Flex | 36 | 20% | 100,000 mi |
Share is the fraction of that year’s complaints naming the engine. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.