There are 33 owner-reported engine complaints for the 2009 Ford Flexin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
About 5 miles from home with no warning.The car went from regular temp to hot then stopped.Water mixed with the oil.The tech said the water pump just failed.I did not have any problems with it running hot or anything.
LAST NIGHT, I WENT TO BACK THE CAR OUT OF THE GARAGE AND WHILE IN REVERSE, THE ENGINE STARTED REVVING UP UNCONTROLLABLY AND EVEN THOUGH I HAD MY FOOT ON THE BRAKES, IT KEPT MOVING IN REVERSE. I QUICKLY PUT IT IN NEUTRAL AND THE REVVING CAME DOWN. SHUT DOWN THE CAR, RESTARTED IT AND THIS TIME, I PUT IT IN DRIVE AND THE SAME THING HAPPEN AGAIN ONLY TO START LUNGING FORWARD EVEN WHILE BRAKING. IF I WERE IN TRAFFIC OR AT A STOP LIGHT OR SIGN, I WOULD HAVE SURELY HIT THE PERSON(S) IN FRONT OR BEHIND ME. LATER MY WIFE EXPLAINED TO ME THIS HAPPENED WHILE DRIVING ON THE INTERSTATE AND SHE HAD A HARD TIME CONTROLLING THE SPEED, DUE TO REVVING, EVEN WHILE USING THE BRAKE. SHE MANAGED TO TAKE AN EXIT RAMP INTO A LARGE PARKING LOT USING EXTREME BRAKING (FORCEFUL) AND SHUT THE CAR OFF. SHE WAS ABLE TO MAKE IT HOME SHORTLY THEREAFTER. I WAITED UNTIL AFTER 8PM TO DRIVE WHEN THERE WAS LITTLE OR NO TRAFFIC TO DRIVE TO THE CLOSEST CAR REPAIR SHOP TO DROP IT OFF AND THERE HAPPENED TO BE A MECHANIC LEAVING AS I WAS PULLING UP. I DESCRIBED THE PROBLEM AND HE MENTIONED THAT IT WAS A DEFINITELY A SAFETY ISSUE AND ADVISED NOT TO DRIVE IT UNTIL IT GOT DIAGNOSED & REPAIRED. I'VE OWNED A LOT OF CARS IN MY LIFE AND EXPERIENCING UNCONTROLLABLE REVVING WHILST THE TRANSMISSION IS ENGAGED IS A FRIGHTENING EXPERIENCE. LUCKILY WE KEPT OUR WITS AND WERE ABLE TO RECOVER. I ALSO SEE WHERE THIS HAS ALREADY BEEN REPORTED ON THIS SITE. THIS IS A REAL SAFETY ISSUE AND I'M THANKFUL NO ONE WAS INJURED LAST NIGHT, INCLUDING MY WIFE AND CHILDREN. PLEASE, PLEASE CHECK INTO THIS AS THIS IS NOT NORMAL BEHAVIOR AND A SERIOUS SAFETY CONCERN.
MY CRADLE IS RUSTED THROUGH ALL THE WAY TO THE LOWER CONTROL ARM AND HAS A VISIBLE CRACK. I'M TOLD THIS IS A SAFETY ISSUE AND CONCERN AS WELL AS A SAFETY HAZARD WHEN ONE CAN BE INJURED DUE TO THE ENGINE FALLING OUT TO NAME ONE. I'M TOLD BY A MECHANIC THIS IS A FACTORY DEFAULT.I AM VERY CONCERNED AND WOULD GREATLY APPRECIATE SOME ASSISTANCE WITH THIS MATTER. SINCERELY, [XXX] 09/05/2020 INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
TL* THE CONTACT OWNS A 2009 FORD FLEX. THE CONTACT STATED WHILE HIS WIFE WAS DRIVING 55 MPH, THE VEHICLE SHIFTED INDEPENDENTLY INTO NEUTRAL. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE DRIVER PULLED OVER ON THE SIDE OF THE ROAD. THE VEHICLE WAS RESTARTED AND DRIVEN TO HER DESTINATION. THE VEHICLE WAS TAKEN TO THE LOCAL DEALER SAFFORD FORD LINCOLN OF SALISBURY LOCATED AT 1902 N SALISBURY BLVD, SALISBURY, MD 21801, (443) 210-4835, AND WAS DIAGNOSED. THE CONTACT WAS INFORMED THAT AN UNKNOWN PART NEEDED TO BE REPLACED ALONG WITH A SOFTWARE UPDATE. THE VEHICLE WAS REPAIRED. THE MANUFACTURER HAD BEEN INFORMED OF FAILURE. THE FAILURE MILEAGE WAS UNKNOWN.
I WAS DRIVING ABOUT 45 MILE PER HR. THEN MY FORD FLEX STARTED TO STALL SO I HAD IT TOWED TO A NEAR BY REPAIR SHOP , THEY LOOKED OVER MY VEHICLE AND THEY CAME TO THE CONCLUSION, THAT THE WATER PIMP HAD FAILED AND COOLANT ENTERED THE BLOCK, SO THERE FOR THE ENGINE NEEDED TO BE REPLACE. WE ARE NOW IN THE PROCESS OF THE REPAIR INVOICE 369486 02/28/2020
THE VEHICLE OVER HEATS, AND JUST GETS TOO HOT. IF THE A/C IS RUNNING IT OVER HEATS JUST SITTING AT THE LIGHT. NOW THAT IT IS COOLER, THE HEATER IS ON AND IT OVER HEATS JUST SITTING AT THE LIGHT. I STOP THE CAR AND LET IT COOL DOWN BUT IT SHOULD NOT BE OPERATING LIKE THIS. THERE ARE MANY PROBLEMS DESCRIBING THIS SAME PROBLEM AND IT IS A FACTORY DEFECT AND NEEDS TO BE CORRECTED. NO REASON JUST SITTING AT A STOP LIGHT FOR THE CAR TO OVER HEAT.
2009 FORD FLEX PCM. WHILE ACCELERATING OFF RAMP ONTO INTERSTATE, MPH 70, THE FORD BEGIN TO SHANK VIOLENTLY THEN SUDDENLY STOPS.............. IN THE MIDDLE OF TRAFFIC/INTERSTATE IN THE MIDDLE LANE AT 70 MPH. FLEX GOES TO SHOP AND 3 COILS ARE MELTED, CONVERTER NEEDS TO BE REPLACED, AND PCM NEEDS TO REPLACED. THIS IS A SERIOUS HAZARD AND NEEDS TO BE LOOKED INTO AS THERE ARE MANY MANY POST AND COMPLAINTS ABOUT THE PCM. THE SAFETY OF THE FLEX AND IT'S PASSENGERS ARE IN GRAVE DANGER WHEN THIS HAPPENS AS IT IS OUT OF NO WHERE. 70 MPH ON AN INTERSTATE AT A SUDDEN STOP WILL KILL SOMEONE. NO CHECK ENGINE LIGHT APPEARS UNTIL AFTER THE FACT. THIS IS A FORD MALFUNCTION THAT NEEDS TO BE RECALLED BY FORD AND ADDRESSED INSTEAD OF TSB'S BEFORE AN INDIVIDUAL IS SERIOUSLY HURT.
WHEN DRIVING AND THE CAR BEGINS TO ACCELERATE PAST 40MPH THE CAR SHUDDERS AND JERKS. THIS HAS BEEN GOING ON FOR OVER A YEAR. THE FORD DEALER TEST DROVE IT AND COULDN'T DUPLICATE WHAT I EXPERIENCE OFTEN.
VEHICLE WAS IN MOTION AND IT CUT OFF FOR THE 2ND TIME. NOW IT WONT STARTM ROLLED INTO BUSINESS PARKING LOT.
DRIVING 65. MPH CAR LOST POWER .IWAS ABLE TO PULL TO SIDE OF ROAD.TURNED CAR OFF AND ON IT RESTARTED TOOK TO FORD DEALERSHIP THEY SAID IT WAS THROTTLE BODY REPLACED AT 700. THERE IS NO RECALL,BUT FORD IS AWARE OF DANGER.OUS DEFECT .TECH SAID.
ENGINE STALLS DESPITE FUEL GAUGE READING 1/4 TANK IN RESERVE. FILL UP CONFIRMS THAT THERE IS IN FACT 1/4 TANK LEFT. HAS HAPPENED SEVERAL TIMES NOW.
CAR STALLED AT LOW SPEED. STARTED AGAIN WHEN STOPPED AND IN PARK. DURING EVENT, NO POWER STEERING / BRAKES AVAILABLE. NOT A SAFE CONDITION.
2009 FORD FLEX LIMITED OVERHEATS WHILE IDLING FOR THE PAST 3 YEARS. RAN MULTIPLE VACUUM TESTS AND THERE IS NO LEAK OR SHORTAGE OF COOLANT. A/C BLOWS HOT WHILE IDLING. REPLACED RELAYS, THERMOSTAT, AND FUSES TO NO AVAIL. REPLACED COOLING FANS RECENTLY WITH OEM PARTS. CAR IS NO LONGER OVERHEATING, BUT NOW HAS A STRONG ELECTRICAL OR MELTING SMELL AFTER DRIVING. FANS POTENTIALLY FAILING AGAIN.
TL*THE CONTACT OWNS A 2009 FORD FLEX. THE CONTACT STATED THAT WHILE DRIVING AT 5 MPH, THE COOLER FAN FAILED TO OPERATE. AS A RESULT, THE VEHICLE OVERHEATED AS THE RADIATOR WARNING LIGHT ILLUMINATED. THE FAILURE RECURRED TWICE. THE VEHICLE WAS TAKEN TO DEALER. THE TECHNICIAN DIAGNOSED THAT THE COOLING FAN NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 55,000.
SIX AM, TOTALLY DARK, LIGHTS ON LOW BEAM, TOTAL POWER FAILURE WHILE IN HEAVY TRAFFIC AND INCHING FORWARD. ENGINE DIED AND ALL ELECTRICAL COMPONENTS FAILED WITHIN 30 SECONDS. BATTERY WAS NEW IN AUGUST OF 2014, ALL CONNECTIONS TIGHT. I WAS IN LANE THREE FROM THE RIGHT ON A SIX LANE FREEWAY THAT WAS TOTALLY IMPACTED WITH VEHICLES. I TRIED TO EXIT TO RIGHT SHOULDER BUT COULD NOT AND ENDED UP BLOCKING LANES TWO AND THREE. NO POWER TO ANYTHING BUT I WAS ABLE TO GET SHIFT LEVER INTO PARK AND THE CAR STARTED. WOULD NOT START IN NEUTRAL OR DRIVE. HAS NOT OCCURRED SINCE AFTER DRIVING APPROXIMATELY 650 MILES.
CHECK ENGINE LIGHT WENT ON AND WHEN DIAGNOSED IT WAS ONE OF THE OXYGEN SENSORS. IT HAD TO BE REPLACED IN ORDER FOR THE REST OF THE SAFETIES TO OPERATE PROPERLY. IT WAS A DEFECTIVE PART THAT COST OVER $400 TO REPLACE. WARRANTY WAS DECLINED, HOWEVER, THE DESIGN LIFE OF THE PART MUST BE IN EXCESS OF 150000 MILES. IF THIS PART WERE FAILING ALL THE TIME, THERE WOULD BE A RECALL. MY DEFECTIVE PART WAS NOT REPLACED BY FORD AS IT SHOULD HAVE BEEN. THERE ARE NO MOVING PARTS, IT SHOULD NOT WEAR OUT. *TR
WHILE DRIVE ON THE HIGHWAY WITH MY YOUNGEST SON, MY CAR SUDDENLY DECELLERATED AND EVENTUALLY THE CAR'S ENGINE COMPLETELY DIED. FOURTUNATLY I WAS ABLE TO GET OUT OF THE LANES OF TRAFFIC AND ONTO AN EXIT RAMP. THE RAMP HAD A WALL ON THE PASSENGER SIDE AND FAST EXITING TRAFFIC ON THE DRIVERS SIDE. I COULD NOT SAFELY EXIT THE VEHICLE IN THIS LOCATION. AFTER ABOUT 5 MINUTES, I WAS ABLE TO START THE CAR ENOUGH TO MOVE IT TO A SAFER LOCATION 30-40 YARDS OFF THE EXIT (WHERE THE CAR AGAIN DIED). THERE WAS NO INDICATION ON EITHER MY TEMP GUAGE OR ANY WARNING LIGHTS THAT THE ENGINE HAD OVERHEATED TO THE POINT OF A CRACKED HEAD/BLOCK. AT THE TIME OF THIS INCIDENT, FORD WAS AWARE THAT THERE WERE ISSUES WITH THE CONTROL MODULE FOR THE COOLING FANS NOT WORKING AND HAD A CUSTOMER SATISFACTION PROGRAM 12B36 IN PLACE. I NEVER HEARD OF THE PROGRAM UNTIL THIS WEEK (9/18/13). I SHOULD HAVE BEEN INFORMED AS AN OWNER OF THIS POORLY ENGINEERED VEHICLE THAT IT HAD SUCH AN UNSAFE DEFECT. SINCE I WAS 40K MILES OUT OF WARRANTY FORD'S SOLUTION WAS FOR ME TO BUY A NEW ENGINE AT THE COST OF $8000. I HAVE BEEN SAVING UP FOR THE PAST 4 MONTHS TO PURCHASE A USED ENGINE AND HAVE A LOCAL GARAGE INSTALL IT. I AM NOT HAPPY ABOUT THIS VEHICLE PUTTING MY AND MY SON'S LIVES IN DANGER. I HOPE OTHERS WITH THIS VEHICLE DO NOT HAVE TO BE PUT IN HARMS WAY AS WELL.
THIS VEHICLE EXPERIENCED FAILURE OF BOTH RADIATOR COOLING FANS. THE ENGINE ENTERED REDUCED POWER MODE DUE TO HIGH TEMPERATURE WHILE MY WIFE WAS ENTERING A BUSY STREET. JUST PRIOR TO THIS THE VEHICLE HAD BEEN IDLING FOR APPROXIMATELY 10 OR 15 MINUTES. TEMPERATURE LIGHT DID NOT ILLUMINATE UNTIL ENGINE ENTERED REDUCED POWER MODE. CHECK ENGINE LIGHT DID NOT ILLUMINATE. LOSS OF POWER WITHOUT WARNING COULD BE VERY DANGEROUS UNDER CERTAIN CONDITIONS. AFTER SOME RESEARCH I HAVE FOUND THAT THIS IS NOT AN ISOLATED INCIDENT. USUALLY THE FIRST SIGN OF A PROBLEM IS THE AIR CONDITIONER BLOWING WARM AIR WHEN STOPPED AND ENGINE IS AT AN IDLE. FORD HAS THE CUSTOMER SATISFACTION PROGRAM (#12B36) THAT IS COVERING THE REPAIRS REGARDLESS OF MILEAGE FOR THE SAME PROBLEM ON 2011 AND 2012 FORD FLEX VEHICLES AT NO COST TO OWNERS. THE 2009 AND 2010 MODEL YEARS ARE EXCLUDED FROM THIS PROGRAM. A LETTER WAS SENT TO 2011 AND 2012 FLEX OWNERS OFFERING THIS REPAIR. BOTH FANS HAVE BEEN TESTED AND FOUND TO BE INOPERATIVE. FAN CONTROL MODULE APPEARS TO BE OK. I SPOKE TO FORD CUSTOMER SERVICE TODAY (CASE #[XXX]) 01/21/13, AND THEY VERIFIED THAT THE CUSTOMER SATISFACTION PROGRAM (12B36) IS COVERING 2011 AND 2012 MODEL FLEX VEHICLES. AN INTERNET SEARCH SHOWS THAT OTHER MODELS MAY ALSO BE COVERED. I BELIEVE THIS PROGRAM SHOULD COVER THE 2009 AND 2010 MODEL VEHICLES FOR SAFETY REASONS OR A MAYBE A SAFETY RECALL SHOULD BE CONSIDERED. I WILL BE PURCHASING A NEW FAN ASSEMBLY AND INSTALLING IT MYSELF BUT HAVE NO WAY TO REPROGRAM THE PCM TO HELP PREVENT THIS FROM HAPPENING AGAIN. I WILL ALSO TAKE THE VEHICLE TO THE DEALER TO HAVE THEM INSPECT IT BEFORE REPLACING THE FAN ASSEMBLY AS ASKED BY FORD CUSTOMER SERVICE. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
TL* THE CONTACT OWNS A 2009 FORD FLEX. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 50 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS TOWED TO THE DEALER FOR DIAGNOSIS. THE TECHNICIAN STATED THAT THE WIRING HARNESS AND PCM WOULD HAVE TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 70,425. *TR
TL* THE CONTACT OWNS A 2009 FORD FLEX. THE CONTACT STATED THAT THE DRIVER WAS DRIVING THE VEHICLE AND THE COOLANT TEMPERATURE LIGHT ILLUMINATED ON THE INSTRUMENT PANEL. THE DRIVER STOPPED THE VEHICLE AND NOTICED THAT IT WAS OVERHEATING. THE DRIVER ALSO NOTICED THAT THE AIR CONDITIONER FAILED. THE VEHICLE WAS ABLE TO BE DRIVEN TO THE RESIDENCE AFTER RESTING FOR THIRTY MINUTES. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS NOTIFIED AND STATED THAT THE VEHICLE WAS NOT INCLUDED IN ANY RECALLS. THE FAILURE MILEAGE WAS 65,000.
Showing 1–20 of 33 complaints
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026