NHTSA owner reports · September 18, 2026 snapshot.
Engine complaints
114 reportsClear category filter78,000 miles · Aug 18, 2012
EnginePower TrainVehicle Speed Control
ISSUES WITH THROTTLE BODY , THE WRENCH LIGHT HAS COME ON MULTIPLE TIMES WHILE DRIVING AT LOW SPEEDS(UNDER 45MPH) THE CAN WILL RANDOMLY LURCH AT LOW SPEEDS , HAVING THE AIR CONDITIONER ON SEEMS TO MAKE THE PROBLEM WORSE . THE WAY THE CAR JOLTS AND JUMPS IS UNPREDICTABLE AND MAKES THE VEHICLE UNSAFE . THIS PROBLEM HAS BEEN HAPPENI…
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ISSUES WITH THROTTLE BODY , THE WRENCH LIGHT HAS COME ON MULTIPLE TIMES WHILE DRIVING AT LOW SPEEDS(UNDER 45MPH) THE CAN WILL RANDOMLY LURCH AT LOW SPEEDS , HAVING THE AIR CONDITIONER ON SEEMS TO MAKE THE PROBLEM WORSE . THE WAY THE CAR JOLTS AND JUMPS IS UNPREDICTABLE AND MAKES THE VEHICLE UNSAFE . THIS PROBLEM HAS BEEN HAPPENING SINCE WE PURCHASED THE CAR , AND AFTER YEARS AND MANY TRIPS TO THE FORD DEALER THE PROBLEM WILL STOP FOR ONLY A FEW DAYS OR FEW MONTHS AND THEN THE SAME PROBLEM STARTS ALL OVER AGAIN. ALSO OTHER OWNERS OF FORD FREESTYLES MADE EITHER IN2005 OR 2006 HAVE ALSO EXPERIENCES THE SAME EXACT PROBLEMS I HAVE EXPERIENCED. I STRONGLY FEEL THIS CAR SHOULD BE RECALLED DUE TO THE SAFETY ISSUES. *TR
NHTSA ODI #10471368
64,000 miles · Aug 15, 2012
EnginePower TrainVehicle Speed Control
THE CAR SURGES, JUMPS, SOMETIMES ACCLERATES AND I PUT ON THE BRAKES AND IT WILL SOMETIMES DIE. MAINLY HAPPENS WHEN I AM IN REVERSE/FORWARD OR THE AIR CONDITIONING IS RUNNING. ALSO, DOES THIS WHEN I AM IDLING IN A PARKING LOT OR AT A TRAFFIC LIGHT. I HAVE TAKEN IT TO AUTO REPAIR SHOPS AND THEY THINK IT IS THE COMPUTER. COULDN'T A…
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THE CAR SURGES, JUMPS, SOMETIMES ACCLERATES AND I PUT ON THE BRAKES AND IT WILL SOMETIMES DIE. MAINLY HAPPENS WHEN I AM IN REVERSE/FORWARD OR THE AIR CONDITIONING IS RUNNING. ALSO, DOES THIS WHEN I AM IDLING IN A PARKING LOT OR AT A TRAFFIC LIGHT. I HAVE TAKEN IT TO AUTO REPAIR SHOPS AND THEY THINK IT IS THE COMPUTER. COULDN'T AFFORD TO DO A NEW COMPUTER SO THOUGHT I WOULD HOLD OUT, SINCE IT DOESN'T DO IT ALL THE TIME. NOW IT IS STARTING TO GET WORSE. I TURN THE AIR OFF WHEN STARTING OUT. MY WRENCH LIGHT COMES ON AND I DON'T HAVE MUCH POWER AND MY RPMS GET UP TO 4 WHEN DRIVING 50MPH. TURN THE CAR OFF AND IT IS LIKE IT NEVER HAPPENED. THE CAR IS DANGEROUS TO DRIVE WITH MY KIDS NOT KNOWING WHEN IT WILL HAPPEN IN BUSY TRAFFIC,,WILL IT DIE AND SOMEONE HIT ME? THIS ISN'T NORMAL AND I HAVE FOUND OUT MY CAR ISN'T THE ONLY ONE DOING THIS SAME THING. WILL IT REALLY TAKE SOMEONE GETTING VERY HURT FOR SOMETHING TO BE DONE? WHAT JUSTICE IS THAT AND KNOWING THAT THIS PROBLEMS EXIST. FIRST TIME BUYING A FORD AND WILL PROBABLY BE THE LAST TIME. I DON'T TRUST THEM. YOU HAVE A PROBLEM YOU FIX IT. THAT IS INTEGRITY & TRUST. LOVE FOR SOMEONE FROM FORD TO COME WITH ME FOR A DAY AND RIDE IN BUMPER TO BUMPER TRAFFIC AND SEE HOW OUR DAY GOES. *TR
NHTSA ODI #10470809
69,000 miles · Aug 13, 2012
EngineFuel/propulsion SystemPower Train
BACKING FROM DRIVEWAY INTO THE STREET, CAR SURGED BUT WAS ABLE TO STOP IT WHEN BRAKE APPLIED. AT THAT POINT THE VEHICLE STALLED. ABLE TO RESTART AND CONTINUE WITHOUT INCIDENT BUT WARNING "WRENCH" LIGHT WAS ON INDICATING THROTTLE / TRANSMISSION FAULT WAS DETECTED AND SERVICE REQUIRED. AFTER RESTARTING LATER THAT DAY NO PROBLEM…
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BACKING FROM DRIVEWAY INTO THE STREET, CAR SURGED BUT WAS ABLE TO STOP IT WHEN BRAKE APPLIED. AT THAT POINT THE VEHICLE STALLED. ABLE TO RESTART AND CONTINUE WITHOUT INCIDENT BUT WARNING "WRENCH" LIGHT WAS ON INDICATING THROTTLE / TRANSMISSION FAULT WAS DETECTED AND SERVICE REQUIRED. AFTER RESTARTING LATER THAT DAY NO PROBLEMS NOTICED AND NO WARNING LIGHT. THIS WAS THE MOST SEVERE CASE SO FAR BUT HAD NOTICED SOME SMALL SURGING IN PRIOR WEEKS BOTH IN REVERSE AND DRIVE WHEN STARTING OUT BOTH FROM COLD START AND FROM RESTART CONDITIONS. FURTHER RESEARCH SUGGESTS THIS IS A WELL KNOW THROTTLE BODY PROBLEM FOR FORD FREESTYLE / 500 / MONTEGO MODELS FROM 2005 / 2006 TIMEFRAME. SAFETY RISK IS SIGNIFICANT, CANNOT LET OTHER FAMILY MEMBERS OR ANY LESS EXPERIENCED OPERATORS DRIVE THIS VEHICLE UNTIL THE PROBLEM IS ADDRESSED. REPLACEMENT OR AT LEAST MAINTENANCE FOR THIS KNOWN FAULTY SYSTEM SHOULD BE PROVIDED AT NO CHARGE BY THE MANUFACTURER. *TR
NHTSA ODI #10470422
62,000 miles · Aug 12, 2012
EngineFuel/propulsion SystemPower Train
I WAS STOPPED AND IN A LINE OF VEHICLES IN A PARKING LOT WITH MY FOOT ON THE BRAKE AND THE ENGINE SURGED. FORTUNATELY, I HAD MY FOOT ON THE BRAKE WITH SUFFICIENT PRESSURE TO KEEP THE CAR FROM LUNGING FORWARD. THIS OCCURRED SEVERAL TIMES WHILE IN THE PARKING LOT WITH THE ENGINE GOING INTO (LIMP MODE) FORCED LIMITED POWER MODE. I…
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I WAS STOPPED AND IN A LINE OF VEHICLES IN A PARKING LOT WITH MY FOOT ON THE BRAKE AND THE ENGINE SURGED. FORTUNATELY, I HAD MY FOOT ON THE BRAKE WITH SUFFICIENT PRESSURE TO KEEP THE CAR FROM LUNGING FORWARD. THIS OCCURRED SEVERAL TIMES WHILE IN THE PARKING LOT WITH THE ENGINE GOING INTO (LIMP MODE) FORCED LIMITED POWER MODE. I DROVE THE CAR DIRECTLY TO THE FORD DEALER WHERE THE CAR WAS PURCHASED. THE MECHANICS DID NOT DETECT ANY DIAGNOSTIC TROUBLE CODES AND SENT ME ON MY WAY. SINCE THEN THERE HAVE BEEN PROBABLY SIX (6) MORE EVENTS WITHOUT THE ENGINE GOING INTO FORCED LIMITED POWER MODE. IN ALL EVENTS THE ENGINES SURGES TO APPROXIMATELY BETWEEN 1500RPM AND 1800RPM WITH THE CAR IN DRIVE AND THE FOOT SECURELY ON THE BRAKE. THE EVENT GENERALLY LASTS LESS THAN 5 SECONDS. ALL EVENTS OCCURRED DURING SUMMER MONTHS. LAST EVENT WAS THIS PAST WEDNESDAY WHEN MY SON WAS DRIVING THE CAR. I WITNESSED THE EVENT AS A PASSENGER. THE TWO CODES THAT CAME UP ARE P2106 AND P061B. I PURCHASED A TESTER TO READ THE CODES. CURRENT MILEAGE IS 77995. RESEARCHING THE POTENTIAL CAUSE OF THIS PROBLEM LED ME TO YOUR SITE AND PROMPTED ME TO FILE A COMPLAINT. *TR
NHTSA ODI #10470307
71,000 miles · Aug 11, 2012
EngineVehicle Speed Control
WE WERE IN A PARKING LOT. I HAD JUST SHIFTED IN TO REVERSE AND LIGHTED UP ON THE BRAKE, AND THE CAR THROTTLED BACKWARDS. I QUICKLY PRESSED THE BRAKE AND THE CAR STALLED OR QUIT. I STARTED THE CAR AGAIN AND THE CAR THROTTLED BACKWARDS AGAIN. I PRESSED THE BRAKE, BUT IT DIDN'T STALL THIS TIME. I SLOWLY RELEASED THE BRAKE AND W…
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WE WERE IN A PARKING LOT. I HAD JUST SHIFTED IN TO REVERSE AND LIGHTED UP ON THE BRAKE, AND THE CAR THROTTLED BACKWARDS. I QUICKLY PRESSED THE BRAKE AND THE CAR STALLED OR QUIT. I STARTED THE CAR AGAIN AND THE CAR THROTTLED BACKWARDS AGAIN. I PRESSED THE BRAKE, BUT IT DIDN'T STALL THIS TIME. I SLOWLY RELEASED THE BRAKE AND WAS ABLE TO BACK OUT OF MY SPOT. A LITTLE WHILE LATER, HAVING ARRIVED AT ANOTHER DESTINATION, ABOUT 10 MILES AWAY, I WAS PULLING INTO A PARKING SPOT, IN DRIVE, AND AFTER RELEASING THE THROTTLE, TO APPLY THE BREAK AS I WAS COASTING IN, THE CAR 'THROTTLED' AGAIN. FORTUNATELY, THERE WAS NOT ANOTHER VEHICLE IN THE SPACE IN FRONT OF ME OR I WOULD HAVE PROBABLY HAD A FENDER BENDER. *TR
NHTSA ODI #10470226
63,000 miles · Aug 7, 2012
EngineFuel/propulsion SystemPower Train
FIRST TIME IT HAPPENED CAR LUNGED FORWARD AT SHUT DOWN, DIED COMPLETELY. 30 MINUTES LATER WAS ABLE TO TURN IT OVER. MECHANIC SAID IT NEEDED THROTTLE BODY BUT IT WAS ON NATIONAL BACKORDER UNTIL AUGUST 2009. SO HAD TO DRIVE IT HOME. HAPPENED QUITE A BIT THROUGHOUT THAT TIME UNTIL I REALIZED THAT IT HAD A LOT TO DO WITH HAVING…
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FIRST TIME IT HAPPENED CAR LUNGED FORWARD AT SHUT DOWN, DIED COMPLETELY. 30 MINUTES LATER WAS ABLE TO TURN IT OVER. MECHANIC SAID IT NEEDED THROTTLE BODY BUT IT WAS ON NATIONAL BACKORDER UNTIL AUGUST 2009. SO HAD TO DRIVE IT HOME. HAPPENED QUITE A BIT THROUGHOUT THAT TIME UNTIL I REALIZED THAT IT HAD A LOT TO DO WITH HAVING THE A/C ON. IT HAPPENS EVEN WITHOUT THE A/C ON SOMETIMES AT LIGHTS, STOP SIGNS, AND IN PARKING LOTS, AND ALSO WHEN IN REVERSE IT LUNGES IN THAT DIRECTION AS WELL; SOMETIMES AT VERY HIGH RATE WHICH IS SCARY. HAVE 3 CHILDREN AND CANNOT FATHOM WHY THIS CAR HAS NOT BEEN RECALLED. I STILL OWE MONEY ON IT AND NOW IT IS SITTING IN MY MECHANICS GARAGE BECAUSE THE CVT TRANSMISSION WENT OUT.. 5 WEEKS NOW AND I DO NOT HAVE TRANSPORTATION BECAUSE I CANNOT AFFORD TO FIX THE CVT TRANSMISSION THAT ALOT OF OTHER PEOPLE ARE HAVING THE SAME PROBLEM WITH. *TR
NHTSA ODI #10469482
68,790 miles · Aug 5, 2012
EnginePower TrainService Brakes
WHILE BACKING UP THE CAR LUNGES WHEN FOOT IS STILL ON THE BRAKE. CAR WILL OCCASIONALLY LUNGE FORWARD WHEN PULLING OUT OF A PARKING SPOT OR WHEN STOPPED AT TRAFFIC LIGHT OR STOP SIGN. VERY UNSAFE!!!!!! MUST MAKE SURE MY FOOT IS ON THE BRAKE HARD WHEN STOPPED OR BE READY TO QUICKLY BRAKE WHEN BACKING UP. THE AC IS SOMETIMES ON…
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WHILE BACKING UP THE CAR LUNGES WHEN FOOT IS STILL ON THE BRAKE. CAR WILL OCCASIONALLY LUNGE FORWARD WHEN PULLING OUT OF A PARKING SPOT OR WHEN STOPPED AT TRAFFIC LIGHT OR STOP SIGN. VERY UNSAFE!!!!!! MUST MAKE SURE MY FOOT IS ON THE BRAKE HARD WHEN STOPPED OR BE READY TO QUICKLY BRAKE WHEN BACKING UP. THE AC IS SOMETIMES ON WHEN THIS HAPPENS AND THE TEMPERATURE IS IN THE UPPER 80'S. WE LIVE IN COLORADO SPRINGS, CO AND 80 DEGREE TEMP ARE PRETTY HOT HERE. LATELY IT HAS BEEN IN THE 90 DEGREE + RANGE AND THE ISSUE HAS BEEN HAPPENING MORE. MY WIFE MOSTLY DRIVES THIS CAR AND OUR TEENAGE DAUGHTER, NEW DRIVE WITH A PERMIT, IS LEARNING TO DRIVE, THIS IS NOT SAFE!!!. PLEASE PUT PRESSURE ON FORD TO FIX THIS SAFETY ITEM. SEEMS LIKE MAY OTHERS ARE HAVING THE SAME ISSUE. WILL IT TAKE FOR SOMEONE TO BE SERIOUSLY HURT OR KILLED BEFORE THIS GETS LOOKED AT? HOW MANY ACCIDENTS MAJOR OR MINOR HAS THIS CAUSED? HOW MANY INSURANCE RATES HAVE INCREASED BECAUSE OF THESE ACCIDENTS? PLEASE DO SOMETHING ABOUT THIS!!!!!!! *TR
NHTSA ODI #10469228
80,000 miles · Jul 31, 2012
EnginePower Train
THE CAR AHEAD OF ME HAD RUN OFF THE FREEWAY DUE TO SNOW. I STOPPED TO SEE IF HE WAS OK. ONCE I STARTED UP, I PUSHED DOWN HARD ON THE GAS PEDAL TO ACCELERATE AND BE UP TO SPEED FOR THE TRAFFIC COMING UP BEHIND ME. THE PEDAL STUCK TO THE FLOOR AND THE CAR KEPT ACCELERATING. ONCE IT REACHED 75MPH, I HELD DOWN FIRMLY ON THE BRAKE AN…
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THE CAR AHEAD OF ME HAD RUN OFF THE FREEWAY DUE TO SNOW. I STOPPED TO SEE IF HE WAS OK. ONCE I STARTED UP, I PUSHED DOWN HARD ON THE GAS PEDAL TO ACCELERATE AND BE UP TO SPEED FOR THE TRAFFIC COMING UP BEHIND ME. THE PEDAL STUCK TO THE FLOOR AND THE CAR KEPT ACCELERATING. ONCE IT REACHED 75MPH, I HELD DOWN FIRMLY ON THE BRAKE AND WAS ABLE TO STOP THE VEHICLE. I TURNED OFF THE ENGINE AND THEN RESTARTED. AS SOON AS I PUT IT IN DRIVE, THE CAR TOOK OFF AGAIN ACCELERATING ON ITS OWN. I QUICKLY HIT MY FOOT TO THE GAS PEDAL AND WAS ABLE TO KNOCK IT LOOSE AND THE CAR SLOWED DOWN. THE DEALER SAID IT WAS A FAULTY GAS PEDAL AND I HAD IT REPLACED (AT MY COST). THE PROBLEM STILL CONTINUES TO THIS DAY. THE DEALER CONTINUES TO TELL ME THAT THERE IS NO PROBLEM AND THERE HAVE BEEN NO COMPLAINTS ABOUT THE VEHICLE. AFTER THAT FIRST INCIDENT, THERE WAS ONE TIME THAT I HAD STARTED THE CAR IN MY GARAGE AND DROVE DOWN THE STREET. ONCE I TURNED THE CORNER, THE CAR ACCELERATED ON ITS OWN, LUNGING FORWARD BUT I WAS ABLE TO STOP IT. AT THAT TIME, I WAS TOLD IT WAS A TRANSMISSION PROBLEM AND THE DEALER DID THE REPAIRS UNDER WARRANTY. EVEN AFTER THAT WORK, I STILL HAVE A PROBLEM WITH THE GAS PEDAL STICKING. *TR
NHTSA ODI #10468520
113,000 miles · Jul 24, 2012
EngineFuel/propulsion SystemPower Train
WHILE TRAVELING HOME FROM HOLIDAY, MY WRENCH LIGHT CAME ON IN THE CAR AND WE COULD SMELL THE ENGINE BEGINNING TO OVERHEAT. MY ENGINE WAS TRYING TO LUNGE FORWARD EVEN THOUGH I HAD THE CRUISE CONTROL ON. MY VEHICLE THEN STARTED TO DECELERATE AND I BARELY MADE IT OFF FROM THE HIGHWAY VIA AN EXIT RAMP. PULLED OVER, TURNED OFF THE…
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WHILE TRAVELING HOME FROM HOLIDAY, MY WRENCH LIGHT CAME ON IN THE CAR AND WE COULD SMELL THE ENGINE BEGINNING TO OVERHEAT. MY ENGINE WAS TRYING TO LUNGE FORWARD EVEN THOUGH I HAD THE CRUISE CONTROL ON. MY VEHICLE THEN STARTED TO DECELERATE AND I BARELY MADE IT OFF FROM THE HIGHWAY VIA AN EXIT RAMP. PULLED OVER, TURNED OFF THE CAR AND OPENED THE HOOD TO LET THE ENGINE COOL OFF. I THOUGHT THE PROBLEM MAY BE GEAR OR TRANSMISSION RELATED OR PERHAPS BAD GAS. I TRIED A TRICK TOLD TO ME BY MECHANIC FRIEND TO BACK UP THE CAR AND GO FORWARD APPROXIMATELY 40-50 FEET, STOP THE VEHICLE AND REPEAT THE MOVEMENT AGAIN TO RESET THE TRANSMISSION CONTROLS. I ALSO ADDED FUEL INJECTION CLEANER AND FILLED THE TANK AGAIN. AFTER FUEL INJECTION AND LETTING THE CAR SIT, IT WAS OKAY FOR THE REST OF THE TRIP. HAD ANOTHER INCIDENT JUST RECENTLY (JULY 2012). THE SAME WRENCH LIGHT CAME ON AND MY CAR ONCE AGAIN LUNGED AND DECELERATED AND I HAD TO PULL OFF. LUCKILY, THERE WAS A GAS STATION AT EXIT AGAIN. AND, LUCKILY, I WAS ABLE TO MANEUVER THROUGH TRAFFIC WHEN DECELERATING WITHOUT HARM TO MY FAMILY. I BOUGHT MORE FUEL INJECTION CLEANER AND FILLED THE TANK. I THEN LET THE CAR SIT AGAIN. THAT SEEMED TO HELP. WE MADE IT HOME AFTER ANOTHER REST STOP FOR THE CAR. SHORTLY AFTER, MY HUSBAND USED THROTTLE BODY CLEANER TO CLEAN OUT MY FUEL INJECTION PATHWAY. HE REMOVED AIR CONNECTION AND FOUND THE THROTTLE BODY TO BE CLOGGED WITH GUNKY MATERIAL AND SPRAYED A GOOD DOSE OF THE CLEANER INTO IT WHILE I GUNNED THE ENGINE TO CLEAR IT OUT. I AM NOW USING FUEL INJECTION CLEANER WITH EVERY GAS FILLUP TO MITIGATE THE PROBLEM. I KNOW I PROBABLY NEED TO REPLACE THE WHOLE THROTTLE BODY, BUT I AM LEARY FROM WHAT I'VE READ ON INTERNET WITH OTHERS HAVING SAME PROBLEM, REPLACING THROTTLE BODY AND THEN IT HAVING TO DO IT AGAIN A YEAR LATER. I AM GOING TO FIX CAR AND THEN PROBABLY SELL IT. NOT SAFE ANYMORE. *TR
NHTSA ODI #10467265
106,500 miles · Jul 23, 2012
EnginePower Train
ENGINE SPEED WILL SURGE AND VEHICLE WILL LUNGE FORWARD OR REARWARD, DEPENDING UPON WHICH GEAR THE TRANSMISSION IS IN, AT UNEXPECTED TIMES. ALWAYS NOTICEABLE NEAR 0-2 MPH WITH A/C ON, FOOT ON OR OFF BRAKE PEDAL, MAY OR MAY NOT BE TURNING. WE HAVE SCARED PEOPLE IN CROSSWALKS AND DRIVE-THRUS WITH THIS. IT SCARES US AS WELL. *TR
NHTSA ODI #10467172
Official recalls
1Oct 5, 2006
ON CERTAIN PASSENGER VEHICLES CURRENTLY REGISTERED IN THE FOLLOWING STATES: ALASKA, COLORADO, CONNECTICUT, DELAWARE, IDAHO, ILLINOIS, INDIANA, IOWA, KANSAS, KENTUCKY, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, MONTANA, NEBRASKA, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, NORTH DAKOTA, OHIO, PENNSYLVANIA, RHODE ISLAND, SOUTH DAKOTA, UTAH, VERMONT, WEST VIRGINIA, WISCONSIN, AND WYOMING. THE SIDE DOOR LATCH MECHANISMS MAY EXPERIENCE WATER INTRUSION ALLOWING THE LATCH MECHANISM TO FREEZE IN COLD WEATHER.
Consequence & remedy
Consequence: AS A RESULT, THE DOOR LATCH PAWL MAY NOT RETURN TO THE LATCH POSITION WHEN THE DOOR IS CLOSED, AND THE DOOR COULD OPEN WHILE THE VEHICLE IS MOVING.
Remedy: DEALERS WILL INSTALL A SHIELD OVER THE FRONT LATCHES; SEAL A DRAIN HOLE IN THE REAR WINDOW TRIM MOLDING ON THE FREESTYLE REAR SIDE DOORS; AND APPLY GREASE TO ALL FRONT AND REAR SIDE-DOOR LATCH MECHANISMS FREE OF CHARGE. THE RECALL BEGAN ON NOVEMBER 8, 2006. OWNERS MAY CONTACT FORD AT 1-800-392-3673.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1PE11018 · Idle Instability
Opened May 11, 2011 · Closed Feb 7, 2013
Status: closed (inferred from source dates) · Vehicle Speed Control
On November 29, 2012, Ford Motor Company (Ford) initiated Customer Satisfaction Program 12N03 to extend warranty coverage terms for repair of engine idle RPM surge caused by throttle body deposits in all model year (MY) 2005 through 2007 Ford Freestyle, Five Hundred and Mercury Montego vehicles.The program extends the coverage for up to 10 years of service or 150,000 miles from the warranty start date of the vehicle (all vehicles are eligible for the program through May 31, 2013, regardless of mileage).Dealers will repair vehicles exhibiting the condition by removing and cleaning the throttle body and reprogramming the PCM with software containing an updated idle speed control strategy.According to Ford, some of the affected vehicles may experience momentary, intermittent engine idle RPM surge (idle flare) when stopped or during low speed driving maneuvers such as in a parking lot or driveway.Unstable idle speed control (dips and flares) around the target engine speed (700 rpm) can occur in vehicles with deposit build-up in the throttle body when the system adjusts engine speed in response to changes in engine load, typically from power steering application or air-conditioner compressor cycling.Idle speed control logic is only active at vehicle speeds below 3.5 mph and when the accelerator pedal is not applied.Ford testing of a vehicle with a worst case throttle body measured a maximum idle flare of 1360 RPM lasting approximately 1 second, which Ford indicated was consistent with system design to limit vehicle speed and acceleration in idle control mode.Ford indicated that the test vehicle was held in place with normal brake effort and that vehicle speed remained under 4 mph without the brake pedal applied.In addition to throttle body deposit accumulation, symptoms associated with the condition may include Check Engine lamp illumination and diagnostic trouble codes (DTCs) P0505, P0506 or P061B.Ford attributed the surge condition to changes in idle air flow resulting from the progressive buildup of deposits in the throttle body from normal Positive Crankcase Ventilation (PCV) system operation.This condition was not adequately compensated for in the original Powertrain Control Module (PCM) calibration.Ford issued a technical service bulletin on August 15, 2011 (TSB 11-8-5), releasing an updated powertrain control calibration for vehicles with CVT transmissions.On October 19, 2011, Ford issued a second bulletin (TSB 11-10-21) superseding TSB 11-8-5 and including updated powertrain control calibration for vehicles with 6-speed transmissions.Prior to Ford issuing the TSB?s, owner?s experiencing the alleged defect either received no repairs, if dealers could not duplicate the condition, or had the throttle body cleaned or replaced, which only provided temporary correction until the throttle deposit build-up returned.Ford?s revised powertrain calibrations appear to be effective remedies for the idle instability caused by build-up of throttle body deposits.However, even after the TSB?s were released, many owners experiencing the condition continued to have difficulty with proper diagnosis and repair as dealers were often either unable to duplicate the condition or were unfamiliar with the new repair procedures.Ford's new program addresses those concerns.NHTSA's testing and complaint analysis indicate that the idle speed control issue in the subject vehicles can only occur at very low speeds, are very brief events, are easily controlled by moderate brake pedal forces and result in minor increases in vehicle speed even with no braking.This investigation is closed.The closing of this in