Problems · by component
2011 Ford Flex engine problems
25 owner complaints to NHTSA about the 2011 Ford Flex cite engine, 17% of all 144 complaints for this model year.
Complaints
25
17% of all complaints
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
2
Reported by owners
What owners say about the engine
Verbatim from NHTSA complaints, newest first
“The contact owns a 2011 Ford Flex. The contact stated that while driving at various speeds, the vehicle stalled and lost motive power. The contact coasted to the side of the roadway and had the vehicle towed. The failure occurred intermittently. The contact would make several attempts to start the vehicle to regain normal functionality; however, the failure would recur within several hours or several days. The contact stated while driving at approximately 25 MPH in a School Zone from a stop, the vehicle lost power steering functionality. The vehicle was towed to the residence. The contact stated that the traction control, engine, battery, and ABS warning lights were illuminated. The vehicle was taken to an independent mechanic where it was diagnosed that the power steering box had failed and needed to be replaced. The mechanic had not repaired the vehicle. The vehicle was then taken to the dealer to be diagnosed. The contact was informed that the VIN was not included in a recall. The vehicle had not been repaired. The manufacturer was made aware of the failure, and it was confirmed the VIN was not under recall, nor were the repairs covered under warranty. The…”
“The contact's grandmother owns a 2011 Ford Flex. The contact stated that while driving at approximately 45 MPH, the steering wheel seized. The check engine warning light was illuminated. The vehicle was towed to an independent mechanic, who replaced the rack and pinion, and power steering pump. The vehicle was repaired, but the failure recurred. The contact called the local dealer, but the vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 176,000.”
“In September 2022 was going down the highway at 70 miles an hour for my vehicle to shut off with no warning lights everything locked up even the steering wheel get it to the side of the road sat there for about 20 minutes the car lights on the inside came back on started it got it home to find out that my coolant or water pump was missing all fluids took it to a repair shop by the name of superior auto repair for them to tell me there was a defect with the water pump but they weren’t going to break down the engine for the adjuster to come out to inspect I have found that the type of engine that I do have did have recalls on it for the water pump being faulty causing the engine to seize up and basically having to be replaced”
“The contact owns a 2011 Ford Flex. The contact stated that upon her husband starting the vehicle, the vehicle entered limp mode as he exited the driveway. Her husband then drove the vehicle back into the driveway and turned the vehicle off. The next day, her husband started that vehicle and was temporarily able to resume normal driving; however, the vehicle entered limp mode while in traffic as the power train warning light illuminated. Her husband was able to coast the vehicle back home while in limp mode and had the vehicle towed to a dealer. The dealer initially diagnosed the vehicle with a defective throttle body; however, the failure persisted after the part was repaired. The contact made numerous trips back to the dealer; however, the failure persisted after each visit. The contact was then informed to take the vehicle back once the wrench light had illuminated. Once the wrench light illuminated, the contact began to drive the vehicle to the dealer. While driving, she heard an abnormal clunking sound coming from the vehicle as the check engine warning light illuminated and the vehicle entered limp mode. The contact made it to the dealer as antifreeze…”
“TL* THE CONTACT OWNS A 2011 FORD FLEX. THE CONTACT CALLED ON BEHALF OF HER SON. THE CONTACT STATED THAT THE WATER PUMP ON THE VEHICLE FAILED. THE CONTACT STATED THAT HER SON CALLED AN UNKNOWN FORD DEALER AND INFORMED THEM OF THE FAILURE. THE DEALER INFORMED HIM THAT IT WAS THE WATER PUMP THAT FAILED. THE CONTACT STATED THAT THE VEHICLE WAS UNDRIVABLE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE BUT OFFERED NO ASSISTANCE. THE CONTACT WAS REFERRED TO NHTSA FOR ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 100,000.”
“TRAVELING ALONG THE INTERSTATE AT REGULAR SPEED, THE ENGINE BEGAN TO OVERHEAT. A LEAK FROM THE WATER PUMP OCCURRED AND FLOODED THE ENGINE AND OIL RESERVOIR CAUSING THE VEHICLE TO IMMEDIATELY SMOKE AND OVERHEAT. AFTER ALLOWING THE VEHICLE TO SIT AND COOL DOWN SO NOT TO START A FIRE WHEN THE HOOD IS LIFTED, THE DAMAGE TO THE ENGINE TOOK PLACE. THE HEAD GASKET BLEW AND ANTIFREEZE MIXED IN WITH THE MOTOR OIL.”
Showing 6 of 25 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 7, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.