2015 Ford Flex Fuel system Problems
- Complaints
- 18about this part
- Share
- 16%of 116 total for the year
- Median mileage
- 28,500miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 18 complaints about the fuel system of the 2015 Ford Flex, 16% of the 116 complaints for this model year. Where a mileage was given, the median is 28,500 miles. 1 a fire, according to the filers. 1 recall campaign on record is filed under a similar system.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I was driving approximately 45 MPH uphill when suddenly, and without warning, the FLEX decelerated to a coasting speed. I was able to pull into a turn lane but unable to accelerate. The wrench light came on. I turned off the car and turned it back on. The wrench light was on and their was ability to accelerate beyond crawling. I turned the car off and back on and was able to drive normally to work.”
NHTSA complaint #11054692, filed 2017-12, 32,000 miles“I was traveling westbound on interstate 265 at approximately 4 a.m. Sunday morning september 30th. The vehicle stalled out and came to a complete stop on the interstate. A wrench light was shown on the dash and the vehicle would not move forward. The incident was caused by a safety bulletin number 17 b28. Luckily I was about the only one on the road at that hour, because I am certain that had this happened in rush hour traffic there would have been an accident.”
NHTSA complaint #11132677, filed 2018-10, 28,500 miles“I was driving northbound on us 23 on 6/10/2017 when my vehicle suddenly decelerated and would not respond to gas pedal. I coasted to the side of the road fortunately without striking another vehicle or the vehicle behind me rear ending me. A orange wrench appeared on the digital screen in my instrument cluster and a message appeared that said see manual. Manual stated this was a power-train failure. I turned car off and restarted and was able to drive on. Once restarted, the wrench symbol disappeared. …”
NHTSA complaint #10994541, filed 2017-06, 22,950 miles“I was entering at carpool lanes when a debris hit the underbody of the vehicle, I just heard a big hit underbody and continue driving after two miles another driver notice fluids were draining from the bottom of the vehicle and urge me to check when I stopped I find out the debris had make a heavy damage to the gas tank and gasoline was in efect draining fast. I stopped and turn off the engine and a friend of mine help me take the damage vehicle to my house where the the rest of the gasoline drain out. …”
NHTSA complaint #10762895, filed 2015-09, 2,983 miles“Driving on i75 headed south just n of forsythe ga 3 lanes of traffic 75 MPH or faster wrench light comes on and no power. With gods luck there was like a 10 second window where we got over to to right been and of the road. My wife and granddaughter were very frightened. Car was dead no power! Waited a couple minutes and the car started so the air would work this is july 1st called roadside assistance first operator was not good and her english was terrible next lady was great but tow was 2 hours away.towed to Ford dealer closed till monday. …”
NHTSA complaint #11012199, filed 2017-08, 31,700 milesRelated recalls
- 16V621000Aug 25, 2016Ford Motor Company (Ford) is recalling certain model year 2013-2015 Ford Taurus, Ford Flex, Lincoln MKS and Lincoln MKT vehicles equipped with 3.5L GTDI…Covers: Ford Flex 2013–2015, Lincoln MKS 2013–2015, Ford Taurus 2013–2015 +2 more
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2018 | 2 | 3% |
| 2016 | 3 | 3% |
| 2015 | 18 | 16% |
| 2014 | 50 | 20% |
| 2013 | 72 | 12% |
| 2012 | 7 | 11% |
| 2011 | 6 | 4% |
| 2010 | 16 | 12% |
| 2009 | 19 | 11% |
Other parts of the 2015 Ford Flex
34 complaintsSteering
19 complaintsElectrical system
13 complaintsOther or unknown
13 complaintsEngine
11 complaintsTransmission and drivetrain
11 complaintsSuspension
7 complaintsVehicle speed control
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsElectronic stability control
1 complaintsSeat belts
1 complaintsSeats
1 complaints
← All problems reported for the 2015 Ford Flex
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology