NHTSA owner reports · September 18, 2026 snapshot.
Engine complaints
36 reportsClear category filter124,586 miles · Feb 1, 2014
EnginePower Train
WHILE DRIVING DOWN STREET AFTER A COLD START, CAR STARTED TO DRIVE SLOW, MADE A NOISE FROM LEFT SIDE OF ENGINE COMPARTMENT, AND WRENCH LITE CAME ON ALONG WITH THE ENGINE LITE. I SCANNED FOR THE OBDII CODE AND IT PRESENTED CODE P0942. I ERASED THE CODE TO SEE WHAT WOULD HAPPEN. LEFT IT ALONE UNTIL THE NEXT DAY. NOW, WHEN STARTED,…
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WHILE DRIVING DOWN STREET AFTER A COLD START, CAR STARTED TO DRIVE SLOW, MADE A NOISE FROM LEFT SIDE OF ENGINE COMPARTMENT, AND WRENCH LITE CAME ON ALONG WITH THE ENGINE LITE. I SCANNED FOR THE OBDII CODE AND IT PRESENTED CODE P0942. I ERASED THE CODE TO SEE WHAT WOULD HAPPEN. LEFT IT ALONE UNTIL THE NEXT DAY. NOW, WHEN STARTED, THERE IS A FAULTY BEARING NOISE WHICH IS PRESENT UNTIL TRANSMISSION IS ENGAGED IN EITHER REVERSE OR DRIVE. I WOULD PULL CAR FORWARD TEN FEET AND BACK IN REVERSE TO PARK. WHEN I DO THIS, NOISE GOES AWAY. AFTER DOING THIS FIVE (5) DAYS IN A ROW, I DRIVE CAR AROUND A CITY BLOCK. I COULD ONLY HEAR NOISE FAINTLY. NO WRENCH LITE OR ENGINE LITE CAME BACK DURING THIS SMALL DRIVE. I HAVE NOT DRIVEN CAR SINCE RESEARCH OF CODE P0942 POINTED TO THE TRANSMISSION. I ONLY START CAR NOW BECAUSE OF THE COLD WISCONSIN WEATHER. MY CONCERN NOW IS IF THERE IS A RECALL FOR THIS CVT TRANSMISSION? *TR
NHTSA ODI #10562534
120,000 miles · Dec 6, 2013
Electrical SystemEngine
DURING NORMAL DRIVING VEHICLE DASH LIGHTS WENT COMPLETELY OUT AND THEN BEGAN TO FLICKER WHILE BOTH GAUGES SPEEDO AND TACH WENT LEFT TO RIGHT ON AND OFF REPEATEDLY CAUSING A LOSS OF POWER ON VEHICLE RENDERING VEHICLE UNSAFE TO DRIVE AND ALMOST CAUSING COLLISION.. BROUGHT TO FORD DEALER REPLACED ALTERNATOR AND PROBLEM STILL EXIST…
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DURING NORMAL DRIVING VEHICLE DASH LIGHTS WENT COMPLETELY OUT AND THEN BEGAN TO FLICKER WHILE BOTH GAUGES SPEEDO AND TACH WENT LEFT TO RIGHT ON AND OFF REPEATEDLY CAUSING A LOSS OF POWER ON VEHICLE RENDERING VEHICLE UNSAFE TO DRIVE AND ALMOST CAUSING COLLISION.. BROUGHT TO FORD DEALER REPLACED ALTERNATOR AND PROBLEM STILL EXISTS AFTER 500 DOLLAR EXPENSE. *TR
NHTSA ODI #10555110
103,682 miles · Sep 5, 2013
EngineExterior LightingPower Train
AT TIMES WHEN PLACING CAR INTO REVERSE OR DRIVE IT WILL LURCH FORWARD. WHEN GOING UP ANY HILL AND THE 6 SPEED TRANSMISSION NEEDS TO DOWN SHIFT, IT SEEMS THAT IT POPS INTO NEUTRAL AND THEN POPS INTO LOWER GEAR CAUSING THE CAR TO JERK VERY HARD.. THE JERKING CAN BE SO HARD THAT I AM SCARED THAT ITS GOING TO BREAK THE MOTOR MOUNTS …
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AT TIMES WHEN PLACING CAR INTO REVERSE OR DRIVE IT WILL LURCH FORWARD. WHEN GOING UP ANY HILL AND THE 6 SPEED TRANSMISSION NEEDS TO DOWN SHIFT, IT SEEMS THAT IT POPS INTO NEUTRAL AND THEN POPS INTO LOWER GEAR CAUSING THE CAR TO JERK VERY HARD.. THE JERKING CAN BE SO HARD THAT I AM SCARED THAT ITS GOING TO BREAK THE MOTOR MOUNTS OR THE DRIVE AXLES. THIS HAPPENS EVERY TIME I AM GOING UP A HILL OR TRYING TO PASS SOMEONE ON THE INTERSTATE ON FLAT LAND. HAD TO REPLACE THE LOW BEAM HEADLIGHT SOCKETS DUE TO THEM OVERHEATING AND MELTING THE SOCKET AND CAUSING THE BULBS TO STOP WORKING. THE DRIVER SIDE WINDOW, WHEN TRYING TO BRING IT UP IT WILL STOP AND GO BACK DOWN. SOMETIMES IT WILL DO IT A COUPLE TIMES BEFORE I CAN GET THE WINDOW ALL THE WAY UP. THIS IS MY FIRST FORD I HAVE EVER OWNED AND I AM LOVE WITH THE CAR BUT NOT WITH THE PROBLEMS I AM HAVING WITH THE CAR. ALSO, WHEN THE CAR HIT 100,000 MILES IT STARTED TO BURN 1 QUART OF OIL BETWEEN OIL CHANGES. I CANNOT FIND ANY LEAKS. I HAVE SEE A LOT OF PEOPLE HAVING THE SAME ISSUES I AM HAVING WITH THE LURCHING AND JERKING OF THE TRANSMISSION. WISH FORD WOULD DO A REAL CALL FOR THESE PROBLEMS BECAUSE I JUST LOVE THIS CAR! *JB
NHTSA ODI #10542164
45,000 miles · Feb 2, 2013
EngineFuel/propulsion SystemPower Train
VEHICLE SURGES FOR NO PARTICULAR REASON AND SHOWS. A CHECK ENGINE LIGHT ON (WRENCH). CONTROL OF ACCELERATION IS MIXED AND VEHICLE EITHER LURCHES OR FEELS AS THOUGH TRANSMISSION IS IN NEUTRAL AND RPM'S INCREASE WITHOUT ACCELERATION BY DRIVER. HAVE A SCHEDULED SERVICE CALL WITH FORD AND HAVE BEEN ISSUED A NOTICE FROM FORD THAT THI…
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VEHICLE SURGES FOR NO PARTICULAR REASON AND SHOWS. A CHECK ENGINE LIGHT ON (WRENCH). CONTROL OF ACCELERATION IS MIXED AND VEHICLE EITHER LURCHES OR FEELS AS THOUGH TRANSMISSION IS IN NEUTRAL AND RPM'S INCREASE WITHOUT ACCELERATION BY DRIVER. HAVE A SCHEDULED SERVICE CALL WITH FORD AND HAVE BEEN ISSUED A NOTICE FROM FORD THAT THIS ISSUE WILL BE COVERED. *TR
NHTSA ODI #10496195
500,000 miles · Sep 8, 2012
Electrical SystemEngineVehicle Speed Control
THE CAR LUNGES FORWARD OR BACKWARDS WHEN SHIFTING GEARS ALSO LUNGES WHEN COMING TO A STOP VERY VIOLENTLY. I DRIVE WITH PLENTY OF SPACE IN FONT OF ME SO I HAVEN'T HIT ANYTHING I'M SURPRISED NO ONE ELSE HAS EITHER. *TR
NHTSA ODI #10474334
63,500 miles · Aug 2, 2012
Electrical SystemEngineVehicle Speed Control
WHILE DRIVING THE CAR RPM GAUGE WAS MOVING UPWARD EVEN THOUGH I WAS STILL AT STEADY SPEED. WHEN I SLOWED AND STOPPED IT APPEARED TO CONTINUE TO LUNGE FORWARD. I WAS ABLE TO CONTROL SINCE I HAD SOME DISTANCE FROM THE VEHICLE IN FRONT OF ME. BY THE TIME I REACHED MY DESTINATION I WAS AFRAID THAT IT HAD A MIND OF ITS OWN. IT SETTLE…
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WHILE DRIVING THE CAR RPM GAUGE WAS MOVING UPWARD EVEN THOUGH I WAS STILL AT STEADY SPEED. WHEN I SLOWED AND STOPPED IT APPEARED TO CONTINUE TO LUNGE FORWARD. I WAS ABLE TO CONTROL SINCE I HAD SOME DISTANCE FROM THE VEHICLE IN FRONT OF ME. BY THE TIME I REACHED MY DESTINATION I WAS AFRAID THAT IT HAD A MIND OF ITS OWN. IT SETTLED WHEN I TRIED TO PARK FOR IT THEN CUT OFF. THERE HAVE BEEN NUMEROUS EVENTS WHEN THE CAR LUNGED FORWARD OR CUT OFF WHILE DRIVING AND EVEN WHEN I PUT THE CAR IN REVERSE. I HAD THREE (3) MOTOR MOUNTS REPLACED AND NEW BATTERY ALONG WITH THE SAFETY SENSOR. IT COSTS MORE TO REPAIR THAN GENERAL MAINTENANCE. I SEE WHY THEY STOPPED MAKING THIS CAR. ITS DANGEROUS! I AM NOW IN THE PROCESS OF GETTING THE THROTTLE BODY REPLACED WHICH MAY NOT BE UNDER WARRANTY. THIS CAR SHOULD BE RECALLED OR WE SHOULD BE COMPENSATED FOR REPAIRS RELATED TO THIS PROBLEM. *TR
NHTSA ODI #10469030
80,000 miles · Jul 31, 2012
Electrical SystemEngineVehicle Speed Control
I HAVE A 2006 FORD FIVE HUNDRED. I PURCHASED IT USED IN JAN 2012. MY CAR CONTINUALLY LURCHES FORWARD WHILE SITTING STILL. THE AIR CONDITIONER WILL NOT COOL WHILE IDLING IF IT IS HOT OUTSIDE. I HAVE ALSO HAD ISSUES WITH LOSING ALL POWER WHILE DRIVING DOWN THE FREEWAY. I WILL BE DRIVING AND ALL GAUGES WILL BOTTOM OUT AND THEN REV …
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I HAVE A 2006 FORD FIVE HUNDRED. I PURCHASED IT USED IN JAN 2012. MY CAR CONTINUALLY LURCHES FORWARD WHILE SITTING STILL. THE AIR CONDITIONER WILL NOT COOL WHILE IDLING IF IT IS HOT OUTSIDE. I HAVE ALSO HAD ISSUES WITH LOSING ALL POWER WHILE DRIVING DOWN THE FREEWAY. I WILL BE DRIVING AND ALL GAUGES WILL BOTTOM OUT AND THEN REV UP TO THE HIGHEST. MY RPMS WILL DROP DOWN, THE GAS GAUGE WILL GO TO EMPTY AND AT NIGHT ALL ELECTRICAL LIGHTS AND DASHBOARD NOTIFICATIONS WILL LIGHT UP AND THEN GO OFF. I CANNOT USE THE AIR CONDITIONER, RADIO OR ANYTHING ELSE WHEN THIS HAPPENS. THIS IS VERY DANGEROUS AND I BELIEVE FORD SHOULD BE HELD ACCOUNTABLE FOR NOT FIXING THIS ISSUE SOONER! SOMEONE IS GOING TO GET INTO A FATAL ACCIDENT BECAUSE OF THIS ISSUE!!! LOSING ALL POWER AND SPEED AND THEN HAVING THE VEHICLE LURCH FORWARD IS DANGEROUS! #SCAREDMOMOF3BABIES! *TR
NHTSA ODI #10468444
98,000 miles · Jul 26, 2012
EngineVehicle Speed Control
CAR ACCELERATES SUDDENLY WITHOUT HAVING FOOT ON ACCELERATOR. IT ONLY HAPPENS IN WARM WEATHER WHEN THE AIR CONDITIONING IS ON. WITH MY FOOT ON THE BREAKING WHEN BACKING OUT OF A PARKING SPACE OR PULLING INTO GARAGE THE CAR SUDDENLY ACCELERATES. I CAN HANDLE THE PROBLEM BECAUSE I KNOW WHEN TO EXPECT IT, BUT I HAD PLANNED TO GIVE T…
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CAR ACCELERATES SUDDENLY WITHOUT HAVING FOOT ON ACCELERATOR. IT ONLY HAPPENS IN WARM WEATHER WHEN THE AIR CONDITIONING IS ON. WITH MY FOOT ON THE BREAKING WHEN BACKING OUT OF A PARKING SPACE OR PULLING INTO GARAGE THE CAR SUDDENLY ACCELERATES. I CAN HANDLE THE PROBLEM BECAUSE I KNOW WHEN TO EXPECT IT, BUT I HAD PLANNED TO GIVE THIS CAR TO MY SOON TO BE LICENSED DAUGHTER AND I DON'T WANT HER HAVING AN ACCIDENT OR HITTING ANOTHER PERSON. *TR
NHTSA ODI #10467859
90,000 miles · Jul 26, 2012
EngineFuel/propulsion SystemVehicle Speed Control
I WOULD BE STOPPED AT A STOP SIGN OR RED LIGHT AND WOULD PUSH ON THE THROTTLE TO ACCELERATE. THE GUY WOULD NOT MOVE AT FIRST THEN WOULD "JUMP" AND ACCELERATE QUICKLY. I NEVER HIT ANYONE BECAUSE I WAS CAREFUL, BUT I TOOK IT INTO A FORD DEALERSHIP TO HAVE THEM DIAGNOSE IT. THEY CLAIMED TO KNOW OF THE PROBLEM BUT WOULD NOT COVER…
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I WOULD BE STOPPED AT A STOP SIGN OR RED LIGHT AND WOULD PUSH ON THE THROTTLE TO ACCELERATE. THE GUY WOULD NOT MOVE AT FIRST THEN WOULD "JUMP" AND ACCELERATE QUICKLY. I NEVER HIT ANYONE BECAUSE I WAS CAREFUL, BUT I TOOK IT INTO A FORD DEALERSHIP TO HAVE THEM DIAGNOSE IT. THEY CLAIMED TO KNOW OF THE PROBLEM BUT WOULD NOT COVER IT UNDER WARRANTY. I PAID OVER $1,000 TO HAVE THEM REPLACE MY "THROTTLE BODY." *TR
NHTSA ODI #10467814
85,000 miles · Jul 23, 2012
EngineFuel/propulsion SystemVehicle Speed Control
THE CAR HAD BEGUN SURGING HARD BOTH IN REVERSE AND FORWARD. IT HAPPENS WHEN STOPPING AND WHEN FIRST PUTTING IT IN GEAR. I'VE BEEN FORTUNATE TO HAVE NOT HIT ANYTHING YET, BUT I AM FEARFUL THAT IT MIGHT HAPPEN. I'M SEEING A LOT OF OTHER PEOPLE HAVING THE EXACT SAME PROBLEM IN SEVERAL FORUMS AND WEBSITES. I DO NOT UNDERSTAND WHY A …
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THE CAR HAD BEGUN SURGING HARD BOTH IN REVERSE AND FORWARD. IT HAPPENS WHEN STOPPING AND WHEN FIRST PUTTING IT IN GEAR. I'VE BEEN FORTUNATE TO HAVE NOT HIT ANYTHING YET, BUT I AM FEARFUL THAT IT MIGHT HAPPEN. I'M SEEING A LOT OF OTHER PEOPLE HAVING THE EXACT SAME PROBLEM IN SEVERAL FORUMS AND WEBSITES. I DO NOT UNDERSTAND WHY A RECALL HAS NOT BEEN ISSUED FOR THIS PROBLEM AS IT IS OBVIOUSLY A SERIOUS MANUFACTURER'S DEFECT. *TR
NHTSA ODI #10466999
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