YearToAvoid

2010 Ford Flex Fuel System Problems

NHTSA lists 16 fuel system complaints for the 2010 Ford Flex, 12% of its 139 total complaints, with a median failure mileage of 74,000 miles. There is no related recall for this fuel system issue.

Fuel System complaints
16
12% of 139
Crashes reported
1
Fires reported
0
Injuries reported
1
Median mileage
74,000 mi
Related recalls
0

Typical fuel system symptoms owners report

  • Capless fuel tank fill necks fail to accept fuel properly, sometimes taking a long time to fill or not filling to capacity.
  • Fuel gauge readings drop suddenly from a stated range of miles remaining to zero, leading to unexpected running out of gas while driving.
  • EcoBoost engines shudder, lose power, and stall suddenly at highway speed while accelerating or passing.
  • Fuel tanks and fill necks corrode or rot over time, causing fuel leaks and strong gasoline odor around the vehicle.
  • Owners report the vehicle stalling and shutting off abruptly during acceleration, with the engine sputtering before dying.

When 2010 Ford Flex fuel system complaints were filed

First complaint Feb 5, 2010, latest Sep 14, 2022.

2010 Ford Flex fuel system complaints: complaints filed per month2Feb 2010Oct 2013Oct 2014Jan 2017Jun 2018Jun 2019Aug 2020Sep 2022
16 complaints filed with NHTSA from Feb 2010 to Sep 2022; peak Oct 2014 (2).

Fuel System recalls for the 2010 Ford Flex

No safety recalls on record for this model year.

Fuel System complaints by Flex model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 201016 (12%)
  2. 20116 (4%)
  3. 20127 (11%)
  4. 201372 (12%)
  5. 201450 (20%)
  6. 201518 (16%)
  7. 20163 (3%)
  8. 20170 (0%)
  9. 20182 (3%)
  10. 20190 (0%)

Frequently asked questions

How many fuel system complaints does NHTSA have for the 2010 Ford Flex?
NHTSA lists 16 fuel system complaints for the 2010 Ford Flex, which is 12% of the 139 total complaints filed for that model year.
Is there a recall for the 2010 Ford Flex fuel system?
No. The JSON data shows no related recalls tied to this fuel system problem area for the 2010 Flex.
At what mileage do fuel system problems typically show up on the 2010 Ford Flex?
The median mileage at failure for fuel system complaints on the 2010 Flex is 74,000 miles.
Did the fuel system problems cause any crashes or injuries?
NHTSA data for this problem area on the 2010 Flex records 1 crash and 1 injury, with no fires reported.
How does the 2010 Flex compare to other years for fuel system complaints?
The 2010 Flex's 12% share of complaints tied to fuel system issues is higher than 2011 (4%), 2016 (3%), 2017 (0%), 2018 (3%), and 2019 (0%), though lower than the 20% share seen in 2014.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.