2010 Ford Flex Fuel system Problems
- Complaints
- 16about this part
- Share
- 12%of 139 total for the year
- Median mileage
- 74,000miles
- Trend
- FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA recorded 16 complaints about the fuel system of the 2010 Ford Flex, 12% of the 139 complaints for this model year. Where a mileage was given, the median is 74,000 miles. 1 of these say a crash was involved, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Leaky fuel tank. Strong smell of leaky fuel. Worried that vehicle might catch fire. Took it into my local oil change place and they could not find leak. I can see a puddle of fuel on my driveway - about 2-3 feet round. Believe fuel tank has corroded. But I am told the tank is made of plastic. Looked up 2 other NHTSA complaints with similar failure complaints. Vehicle has 152,000 miles.”
NHTSA complaint #11406309, filed 2021-04, 151,000 miles“This is a huge safety issue we have run out of gas on the freeway two times the gauge will say 70 miles to empty and 30 seconds later goes to zero the car runs out if gas in the car shut down on the freeway with my children in the car I have also run out of gas on the street I took it and pay $200 to a mechanic who is not able to fix it the Ford dealer said they can't figure out what's wrong with it but recommended a $700 fuel sending unit however they were unsure if this would fix the problem this is a major safety issue a time hassle and very stressful on a four-year-old car that I've…”
NHTSA complaint #10643819, filed 2014-10, 65,000 miles“My wife and I were preparing to pull into a parking space, outside of an applebee's restaurant. When she tapped on the gas paddle to pull into the parking space, the vehicle lunged forward extremely fast, causing the vehicle to jump the curb. Here immediate reaction was pressing the brake, but the vehicle did not stop until it crashed into the restaurant. Thankfully there were not any civilians walking in front of the vehicle. The only person that was injured is my wife. The landscape and the building was damaged; along with our vehicle. Over $7,500 dollars worth of damage to the vehicle.”
NHTSA complaint #10651662, filed 2014-10, 64,985 miles“The car's fuel gauge will suddenly drop to empty and the car will run out of fuel. By doing some research this is a very common problem with Ford FLEX and it is very dangerous. This has happened multiple times and the most recent was this weekend when my wife was driving on the interstate and it died in traffic. Very dangerous”
NHTSA complaint #11287849, filed 2019-12, 108,000 miles“Accelerating on interstate ramp, vehicle stalled and shut off. It would not stay running. It sputters and dies after cranking. We had aaa tow it off the roadside after 90 minutes waiting.”
NHTSA complaint #11223103, filed 2019-06, 135,000 milesFuel 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 2010 Ford Flex
32 complaintsEngine
30 complaintsBrakes
16 complaintsElectrical system
13 complaintsTransmission and drivetrain
12 complaintsOther or unknown
10 complaintsVehicle speed control
9 complaintsAir bags
8 complaintsEngine cooling
8 complaintsSuspension
5 complaintsVisibility (wipers, defrost, mirrors)
5 complaintsSeats
4 complaints
← All problems reported for the 2010 Ford Flex
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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