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EnginePart report

2015 Ford Flex Engine Problems

Complaints
11about this part
Share
10%of 115 total for the year
Median mileage
24,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 11 complaints about the engine of the 2015 Ford Flex, 10% of the 115 complaints for this model year. Where a mileage was given, the median is 24,000 miles. 2 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“When vehicle in motion on major roadway, loss of power and goes into limp mode. Yellow wrench lights up. Vehicle does not respond to throttle. I have to shut off vehicle and turn it back on . There is no DTC code when checked. I was almost rear ended with my children in the vehicle at time of incident. Car loses power and rapidly decelerates within 5 seconds. There is zero time to pull off the road which put us at high risk of being rear ended. This is a life/road safety hazard”

NHTSA complaint #11365127, filed 2020-10, 55,000 miles

“July 1 I was driving the car running some errands (bank, post office, grocery store) when the car suddenly lost power turning across oncoming traffic on a four lane highway. This was one day after I had the car at the dealership for more diagnostic work and they could not find anything wrong without the code. I left the car running after making it home and called Ford roadside assistance for a tow to the dealership. …”

NHTSA complaint #10882744, filed 2016-07, 12,763 miles

“Driving the vehicle on the highway and heard a clunk and felt a slight loss of power and control. Pulled over to check vehicle and noticed flames coming underneath the engine compartment. Car soon became engulfed and was a total loss. The origin and cause expert hired by our insurance company suspects an injector line came loose on the engine and sprayed fuel onto exhaust manifold.”

NHTSA complaint #11002837, filed 2017-07, 27,000 miles

“Wrench light appears on dash and the car loses all power - known as limp home mode. Codes clear upon restart. Took it to dealer after freeway incident on 2/17/19, dealer found no codes, stated it was motor mount. Got the car back on 2/25/17, and it happened again within 30 miles. Was able to pull code with my own scan tool - p2111. Known error in throttle. This happened while traveling approximately 40 MPH, and once on expressway, two additional times at around 20 MPH”

NHTSA complaint #11184862, filed 2019-03, 23,000 miles

“Vehicle lost engine power while driving on 4 separate occasions, once while at highway speeds. Only fault indicator shown is wrench symbol. Upon shutdown and restart, issue resolves itself until it occurs again. There are no symptoms leading up to power loss, and it surprises driver since there is no driveline power, as well as reduced braking and steering capability. This is especially dangerous on the highway and at in traffic. Dealer has stated that since it cannot be easily repeated, that they cannot fix it.”

NHTSA complaint #11010206, filed 2017-07, 32,000 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
201952%
201811%
201712%
201688%
20151110%
2014229%
2013336%
20121117%
20112517%
20103022%
20093620%

Other parts of the 2015 Ford Flex

Back-over prevention (rear camera)
33 complaints
Steering
19 complaints
Fuel system
18 complaints
Electrical system
13 complaints
Other or unknown
13 complaints
Transmission and drivetrain
11 complaints
Suspension
7 complaints
Vehicle speed control
2 complaints
Visibility (wipers, defrost, mirrors)
2 complaints
Electronic stability control
1 complaints
Seat belts
1 complaints
Seats
1 complaints

← All problems reported for the 2015 Ford Flex

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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