2014 Ford Flex fuel/propulsion system problems
46 owner complaints filed with NHTSA name the fuel/propulsion system on the 2014 Ford Flex — 18% of all complaints for this model year.
What owners report
“Hello, I was driving my Ford Flex at 60mph yesterday with my 15 year old friend helping me move. The engine completely died for several seconds and continued running. That night the engine was idling rough which was a new symptom. Today, I made it to my destination and the car died, then it did not…”
filed Jul 22, 2026
“fuel pump relay module. Vehicle shut off during driving without warning forcing panic and moving to side of road and had to tow vehicle. No incident happened but after replacement no longer had issue.”
filed Apr 28, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Flex years
| Year | Reports | Share |
|---|---|---|
| 2018 Flex | 2 | 3% |
| 2016 Flex | 2 | 2% |
| 2015 Flex | 18 | 18% |
| 2013 Flex | 59 | 10% |
| 2012 Flex | 5 | 8% |
| 2011 Flex | 5 | 3% |
| 2010 Flex | 12 | 9% |
| 2009 Flex | 15 | 8% |
Other reported problem areas on the 2014 Ford Flex
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.