NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
199 reports55,000 miles · Jul 11, 2012
Fuel/propulsion SystemVehicle Speed Control
I WAS DRIVING THROUGH A PARKING LOT AND WAS PULLING INTO A SPACE TO PARK. I DID NOT HAVE MY FOOT ON THE ACCELERATOR, AS I WAS JUST EASING TO A STOP. THE ENGINE SURGED AND MY CAR LUNGED FORWARD, ALMOST HITTING THE VEHICLE PARKED IN FRONT OF ME. THIS HAS HAPPENED MULTIPLE TIMES SINCE, AT ONE TIME ALMOST HITTING A PEDESTRIAN. I HAV…
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I WAS DRIVING THROUGH A PARKING LOT AND WAS PULLING INTO A SPACE TO PARK. I DID NOT HAVE MY FOOT ON THE ACCELERATOR, AS I WAS JUST EASING TO A STOP. THE ENGINE SURGED AND MY CAR LUNGED FORWARD, ALMOST HITTING THE VEHICLE PARKED IN FRONT OF ME. THIS HAS HAPPENED MULTIPLE TIMES SINCE, AT ONE TIME ALMOST HITTING A PEDESTRIAN. I HAVE TO KEEP MY FOOT ON THE BREAK CONSTANTLY AND HOPE I CAN GET THE CAR STOPPED BEFORE SOMEONE OR SOMETHING IS HIT, AND PRAY I DON'T HAVE TO USE THE ACCELERATOR AT THE LOW LEVELS OF SPEED. *TR
NHTSA ODI #10465295
125,782 miles · Jul 9, 2012
Vehicle Speed Control
TL* THE CONTACT OWNS A 2007 FORD FIVE HUNDRED. THE CONTACT STATED THAT WHILE STOPPED AT A STOP LIGHT, THE VEHICLE ATTEMPTED TO SURGE FORWARD. THE CONTACT THEN ATTEMPTED TO ACCELERATE, BUT THE VEHICLE HESITATED AND STALLED. IN ADDITION, THE VEHICLE WOULD ATTEMPT TO SURGE FORWARD WHILE DRIVING EVEN THOUGHT THE ACCELERATOR PEDAL WA…
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TL* THE CONTACT OWNS A 2007 FORD FIVE HUNDRED. THE CONTACT STATED THAT WHILE STOPPED AT A STOP LIGHT, THE VEHICLE ATTEMPTED TO SURGE FORWARD. THE CONTACT THEN ATTEMPTED TO ACCELERATE, BUT THE VEHICLE HESITATED AND STALLED. IN ADDITION, THE VEHICLE WOULD ATTEMPT TO SURGE FORWARD WHILE DRIVING EVEN THOUGHT THE ACCELERATOR PEDAL WAS NOT DEPRESSED. THE VEHICLE ALSO ATTEMPTED TO SURGE BACKWARD ON OCCASIONS. THE FAILURE RECURRED CONSISTENTLY. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STATED THAT THE FAILURE WAS CAUSED BY A POWER SURGE. THE VEHICLE WAS NOT TAKEN TO HAVE THE FAILURE DIAGNOSED OR REPAIRED. THE VIN WAS UNAVAILABLE. THE APPROXIMATE FAILURE AND CURRENT MILEAGES WERE 125,782.
NHTSA ODI #10464761
67,000 miles · Jul 6, 2012
Vehicle Speed Control
TL* THE CONTACT OWNS A 2007 FORD FIVE HUNDRED. THE CONTACT STATED THAT UPON STARTING, THE VEHICLE JERKED AND ACCELERATED ON ITS OWN. THE VEHICLE WAS TAKEN TO THE DEALER FOR A DIAGNOSIS. THE DEALER STATED THAT THE THROTTLE BODY NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE AND CU…
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TL* THE CONTACT OWNS A 2007 FORD FIVE HUNDRED. THE CONTACT STATED THAT UPON STARTING, THE VEHICLE JERKED AND ACCELERATED ON ITS OWN. THE VEHICLE WAS TAKEN TO THE DEALER FOR A DIAGNOSIS. THE DEALER STATED THAT THE THROTTLE BODY NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE AND CURRENT MILEAGES WERE 67,000.
NHTSA ODI #10464500
1,000 miles · Jul 1, 2012
Electrical SystemService BrakesVehicle Speed Control
SINCE MY VEHICLE WAS NEW I HAVE COMPLAINED TO THE DEALERSHIP, AND ONLINE, THAT THE OPTIONAL BRAKE AND ACCELERATOR PEDAL HEIGHT ADJUSTMENT ROCKER SWITCH IS WIRED IMPROPERLY. THAT IS, WIRED IN REVERSE. THE MOUNTED SWITCH CLEARLY DEPICTS A FOOT OVER A PEDAL IN THE CENTER WITH AN ARROW POINTING 'UP' AT THE TOP OF THE SWITCH AND AN…
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SINCE MY VEHICLE WAS NEW I HAVE COMPLAINED TO THE DEALERSHIP, AND ONLINE, THAT THE OPTIONAL BRAKE AND ACCELERATOR PEDAL HEIGHT ADJUSTMENT ROCKER SWITCH IS WIRED IMPROPERLY. THAT IS, WIRED IN REVERSE. THE MOUNTED SWITCH CLEARLY DEPICTS A FOOT OVER A PEDAL IN THE CENTER WITH AN ARROW POINTING 'UP' AT THE TOP OF THE SWITCH AND AN ARROW POINTING 'DOWN' AT THE BOTTOM OF THE SWITCH. THIS CONTROLS THE HEIGHT ADJUSTMENT OF BOTH PEDALS FROM THE FLOOR AND IS DESIGNED TO PLACE THE PEDALS WITHIN REACH OF THE OPERATOR. ON SEVERAL OCCASIONS MEMBERS OF MY FAMILY HAVE DEPRESSED THIS SWITCH WHILE IN MOTION PUSHING THE TOP PORTION OF THE ROCKER SWITCH ASSUMING THE PEDALS WOULD RISE 'UP' AS INDICATED BY THE ARROWS ON THE SWITCH. WRONG!! PRESSING THE SWITCH IN THE UPWARD POSITION 'LOWERS' THE PEDALS TO THE FLOOR, WHILE PRESSING THE LOWER PORTION OF THE SWITCH, WITH THE ARROW POINTING 'DOWN', ACTUALLY RAISES THE PEDALS UP, CLOSER TO THE OPERATOR. AFTER PRESSING THE SWITCH SEVERAL TIMES IN THE UP POSITION AND BELIEVING THE PEDALS WERE AT THEIR MAXIMUM HEIGHT, SEVERAL OF THE DRIVERS IN THE HOUSE WHOM HAVE SHORT LEGS, WERE IMMEDIATELY PANICKED AND DESPERATELY BEGAN TRYING TO COMPENSATE BY READJUSTING THE SEAT TO BE WITHIN REACH OF THE BRAKE! A SCARY AND DANGEROUS CONDITION WHILE THE VEHICLE IS IN MOTION! IF FORD REFUSES TO SIMPLY REVERSE THE OPERATION OF THE SWITCH, MAYBE A SAFETY INTERLOCK COULD BE DEVISED TO PREVENT OPERATION WHILE THE VEHICLE IS IN GEAR. *TR
NHTSA ODI #10463867
130,000 miles · Jun 20, 2012
Power Train
WITH THE A/C ON AND THE CAR TRAVELING AT LOW SPEED, THE CAR SURGES(LURCHES) FORWARD OR IN REVERSE DEPENDING ON THE GEAR SHIFT SELECTOR. IT HAPPENS, FOR EXAMPLE, WHEN PULLING IN TO A PARKING STALL. AS I'M APPROACHING THE FINAL POSITION WHERE I'M NEARLY READY TO PUT THE GEAR SHIFT IN PARK, THE CAR WILL LURCH FORWARD NEARLY HITTING…
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WITH THE A/C ON AND THE CAR TRAVELING AT LOW SPEED, THE CAR SURGES(LURCHES) FORWARD OR IN REVERSE DEPENDING ON THE GEAR SHIFT SELECTOR. IT HAPPENS, FOR EXAMPLE, WHEN PULLING IN TO A PARKING STALL. AS I'M APPROACHING THE FINAL POSITION WHERE I'M NEARLY READY TO PUT THE GEAR SHIFT IN PARK, THE CAR WILL LURCH FORWARD NEARLY HITTING THE CAR PARKED IN FRONT OF ME. IT ALSO HAPPENS WHEN PULLING INTO MY GARAGE OR AT A STOP LIGHT. OCCURRENCES ARE OBVIOUSLY WHEN IT'S HOT OUTSIDE WHICH IS WHY I'VE GOT THE A/C ON. IT DOESN'T HAPPEN ALL THE TIME WITH THE A/C ON, JUST SOME OF THE TIME. *JS
NHTSA ODI #10462465
69,000 miles · Jun 19, 2012
Equipment
THE A/C AT LOW SPEEDS WAS PUTTING OUT WARM AIR IN 90F TEMPERATURE. THIS WAS CAUSED BY A LEAKING SEAL AND THE COMPRESSOR WAS FAILING. THE FIX WAS $1200 AT A LOCAL DEALER. *JS
NHTSA ODI #10462206
97,000 miles · Jun 13, 2012
Vehicle Speed Control
TL* THE CONTACT OWNS A 2007 FORD FIVE HUNDRED. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 45 MPH, THE ENTIRE INSTRUMENT PANEL WARNING INDICATORS ILLUMINATED UNTIL THE ENGINE WAS TURNED OFF. ALSO, WHEN APPROACHING A STOP SIGNAL, THE BRAKE PEDAL WAS APPLIED AND THE VEHICLE BEGAN TO LUNGE FORWARD UNINTENDEDLY. THE FAILURES…
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TL* THE CONTACT OWNS A 2007 FORD FIVE HUNDRED. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 45 MPH, THE ENTIRE INSTRUMENT PANEL WARNING INDICATORS ILLUMINATED UNTIL THE ENGINE WAS TURNED OFF. ALSO, WHEN APPROACHING A STOP SIGNAL, THE BRAKE PEDAL WAS APPLIED AND THE VEHICLE BEGAN TO LUNGE FORWARD UNINTENDEDLY. THE FAILURES OCCURRED WHENEVER THE VEHICLE WAS IN OPERATION. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, WHO REPLACED THE ALTERNATOR. THE FAILURE PERSISTED. THE VEHICLE WAS THEN TAKEN TO A DIFFERENT AUTO SHOP FOR A DIAGNOSIS. THE TECHNICIAN STATED THAT THE FAILURE WAS CONTRIBUTED TO THE THROTTLE POSITION SENSOR. THE DEALER WAS NOTIFIED AND THEY STATED THAT THE PART WAS ON A MASSIVE BACK ORDER. THE VEHICLE HAD NOT BEEN REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 97,000.
NHTSA ODI #10461674
81,421 miles · Jun 13, 2012
EngineFuel/propulsion SystemPower Train
MY 2007 FORD FIVE HUNDRED SEL FWD WITH THE 3.0 V-6 (81,421 MILES) AND 6 SPEED AUTOMATIC TRANSMISSION WILL INTERMITTENTLY SURGE FORWARD OR BACKWARDS WITHOUT GAS PEDAL APPLICATION WHEN IDLING IN GEAR. IT IS AS IF I FLOORED IN A JACKRABBIT START. IT DOES NOT DO THIS EVERY TIME THAT THE CAR GOES TO IDLE IN DRIVE OR REVERSE (FOR EXA…
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MY 2007 FORD FIVE HUNDRED SEL FWD WITH THE 3.0 V-6 (81,421 MILES) AND 6 SPEED AUTOMATIC TRANSMISSION WILL INTERMITTENTLY SURGE FORWARD OR BACKWARDS WITHOUT GAS PEDAL APPLICATION WHEN IDLING IN GEAR. IT IS AS IF I FLOORED IN A JACKRABBIT START. IT DOES NOT DO THIS EVERY TIME THAT THE CAR GOES TO IDLE IN DRIVE OR REVERSE (FOR EXAMPLE, IF I AM IN TRAFFIC AT A STOPLIGHT) BUT IT WILL DO THIS AT LEAST ONCE EVERY TIME I DRIVE. I HAVE HAD TO KEEP MY RIGHT FOOT FIRMLY ON THE BRAKE PEDAL WHILE BACKING OR IN A PARKING LOT TO KEEP THE CAR FROM HITTING PEDESTRIANS, OTHER CARS, SIGN POLES IN PARKING LOTS AND MY CARPORT'S WALL. IT WILL SUDDENLY REV UP WHEN IN EITHER DRIVE OR REVERSE WITHOUT MY FOOT ON THE GAS PEDAL AND TRY TO MOVE IN AN UNCONTROLLED MANNER. IT MAY ONLY DO IT ONCE OR IT MAY DO IT THREE OR FOUR TIMES IN JUST AS MANY SECONDS. I WAS UNAWARE OF THIS PROBLEM AND NEARLY HIT ANOTHER CAR THE FIRST TIME THIS HAPPENED. THERE WAS NO WARNING. NO CHECK ENGINE LIGHT ACTIVATED. MY CAR IS EQUIPPED WITH A TACHOMETER, I HAVE SEEN IT JUMP AS HIGH AS 2000 RPM FROM A 750 RPM IDLE AND THEN FALL RIGHT BACK TO 750. THE FACT THAT I HAVE NOT HIT ANYONE YET IS PROOF THAT THIS IS NOT A PEDAL MISAPPLICATION ERROR, BUT MY CONCERN IS THAT AN INEXPERIENCED DRIVER OR SOMEONE WHO IS UNAWARE OF THIS DEFECT WILL BE SURPRISED BY IT AND KILL OR INJURE THEMSELVES OR SOMEONE ELSE. THIS IS THE FIRST TIME I HAVE EVER OWNED A VEHICLE WITH SUCH A PROBLEM I TOOK MY CAR TO MY LOCAL FORD DEALER AND WAS TOLD THAT THE PROBLEM IS A DEFECTIVE THROTTLE BODY WHICH IS BEING REPLACED TOMORROW. I RESEARCHED THIS PROBLEM ON THE INTERNET AND HAVE FOUND REPORTS THAT THE REPLACEMENT PART IS NO BETTER THAN THE ORIGINAL. THE FACT THAT A DEFECTIVE PART CAN CAUSE A VEHICLE TO ACT IN SUCH A DANGEROUS MANNER IS SYMPTOMATIC OF A FACTORY DEFECT AND SHOULD BE ACTED UPON BY THE NHTSA AS SOON AS POSSIBLE. *TR
NHTSA ODI #10461670
79,887 miles · Jun 13, 2012
Vehicle Speed Control
TL* THE CONTACT OWNS A 2007 FORD FIVE HUNDRED. THE CONTACT STATED THAT WHEN SHIFTING OUT OF THE PARK POSITION WITH THE BRAKE PEDAL ENGAGED, THE VEHICLE WOULD UNEXPECTEDLY LUNGE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC AND AN AUTHORIZED DEALER, WHO BOTH STATED THAT THE THROTTLE BODY WOULD NEED TO BE REPLACED. THE VEHICLE…
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TL* THE CONTACT OWNS A 2007 FORD FIVE HUNDRED. THE CONTACT STATED THAT WHEN SHIFTING OUT OF THE PARK POSITION WITH THE BRAKE PEDAL ENGAGED, THE VEHICLE WOULD UNEXPECTEDLY LUNGE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC AND AN AUTHORIZED DEALER, WHO BOTH STATED THAT THE THROTTLE BODY WOULD NEED TO BE REPLACED. THE VEHICLE HAD NOT BEEN REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 79,887 UPDATED 7/12/12 *CN THE CONSUMER STATED THE ENGINE WOULD REV UP AND THEN THE VEHICLE WOULD LUNGE FORWARD OR BACKWARD WHEN SHIFTING FROM PARK OR NEUTRAL OR FROM REVERSE TO DRIVE. EVEN WHEN THE BRAKE WAS APPLIED, THE VEHICLE WOULD ACCELERATE. THE DEALER REPLACED THE THROTTLE BODY. UPDATED 07/24/12
NHTSA ODI #10461663
80,000 miles · Jun 7, 2012
Power Train
STARTING AROUND MARCH 2011, MY 2007 FORD 500 WOULD LURCH WHEN I MOVED IT FROM PARK TO REVERSE OR FROM PARK TO DRIVE. IT SEEMED TO GET WORSE WITH THE AIR CONDITIONER ON. I TOOK IT IN FOR SERVICE AND THEY "CLEANED" THE THROTTLE BODY. THIS DID NOT REALLY FIX THE PROBLEM. SINCE THEN, THE PROBLEM HAS GOTTEN MUCH WORSE. IT NOW LU…
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STARTING AROUND MARCH 2011, MY 2007 FORD 500 WOULD LURCH WHEN I MOVED IT FROM PARK TO REVERSE OR FROM PARK TO DRIVE. IT SEEMED TO GET WORSE WITH THE AIR CONDITIONER ON. I TOOK IT IN FOR SERVICE AND THEY "CLEANED" THE THROTTLE BODY. THIS DID NOT REALLY FIX THE PROBLEM. SINCE THEN, THE PROBLEM HAS GOTTEN MUCH WORSE. IT NOW LURCHES WHEN I AM SITTING STILL. IF THE BRAKE IS NOT ALL THE WAY TO THE FLOOR, IT WILL LURCH SEVERAL INCHES. I HAVE ALMOST HAD SEVERAL WRECKS BECAUSE OF THIS. I AM SCARED TO DRIVE THE CAR. IT NOW HAS 95,000 MILES ON IT BUT IS NOT PAID OFF YET. I WAS QUOTED $800 TO FIX THE THROTTLE BODY. I FEEL LIKE WITH THE EXTENT OF THE COMPLAINTS ON THIS PART, FORD SHOULD RECALL THIS PRODUCT ON ALL OF THESE VEHICLES. *JS
NHTSA ODI #10460921
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