NHTSA owner reports · September 18, 2026 snapshot.
Vehicle Speed Control complaints
41 reportsClear category filter5,700 miles · Jul 2, 2009
Vehicle Speed Control
OWNER OF 2008 FORD F-150 EXPERIENCED SPONTANEOUS ACCELERATION OF VEHICLE AT APPROXIMATELY 4800 MILES AND THEN REPEATED 3 TIMES IN ONE DAY AT APPROXIMATELY 5700 MILES. IT HAPPENED TWICE WHILE IN DRIVE AND TWICE WHILE IN REVERSE. EVEN WHILE HOLDING THE BRAKE PEDAL TO THE FLOOR, THE TRUCK CONTINUED TO ACCELERATE TO FULL THR…
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OWNER OF 2008 FORD F-150 EXPERIENCED SPONTANEOUS ACCELERATION OF VEHICLE AT APPROXIMATELY 4800 MILES AND THEN REPEATED 3 TIMES IN ONE DAY AT APPROXIMATELY 5700 MILES. IT HAPPENED TWICE WHILE IN DRIVE AND TWICE WHILE IN REVERSE. EVEN WHILE HOLDING THE BRAKE PEDAL TO THE FLOOR, THE TRUCK CONTINUED TO ACCELERATE TO FULL THROTTLE EACH TIME. WITH GREAT DIFFICULTY, MY HUSBAND FORCED THE TRUCK INTO NEUTRAL AND THEN PARK, AT WHICH TIME THE ENGINE RETURNED TO A NORMAL RPM. HE TURNED THE ENGINE OFF AND THEN BACK ON. WE TOOK THE TRUCK TO THE FORD DEALERSHIP. OUR TRUCK WAS LEFT AT THE DEALER OVERNIGHT FOR A CHECK OVER. THE SERVICE AGENT STATED THAT THE COMPUTER DID NOT RECORD ANY ISSUES AND THEY WERE UNABLE TO DUPLICATE OUR CONCERN. THE SERVICE AGENT STATED THAT THERE WAS "NOTHING" ON FORD'S SITE ABOUT OUR PROBLEMS WITH THE F-150'S SUDDENLY ACCELERATING AND THEY COULD NOT FIX WHAT WASN'T "BROKEN." IF THIS IS NOT A SAFETY ISSUE, NOTHING IS! ESPECIALLY SINCE SO MANY TRUCKS ARE USED FOR HAULING HEAVY LOADS. THIS IS NOT AN ISSUE OF WHERE THE GAS AND BRAKE PEDALS ARE LOCATED. AFTER THIS HAPPENS ONCE, YOU KNOW WHERE THE BRAKE PEDAL IS!!! IT IS OBVIOUS THAT FORD IS NOT GOING TO OWN UP TO THIS "CONCERN" UNTIL ENOUGH INJURIES OR DEATHS ARE REPORTED. *TR
NHTSA ODI #10275680
7,209 miles · Jun 9, 2009
Service Brakes, HydraulicStructureVehicle Speed Control
I HAVE A SAFETY CONCERN WITH MY 2008 F-150 FORD SUPERCREW. THE BRAKE PEDAL HAS SO MUCH TRAVEL THAT IT GOES PAST THE ACCELERATOR PEDAL IN A SUDDEN PANIC TYPE STOP. AS THE FOOT PRESSES THE BRAKE PEDAL DOWN, THE FOOT AND PEDAL PASSES THE GAS PEDAL AND SOMETIMES, IF YOUR FOOT IS NOT POSITIONED PERFECTLY IT CAUSES THE GAS PEDAL TO …
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I HAVE A SAFETY CONCERN WITH MY 2008 F-150 FORD SUPERCREW. THE BRAKE PEDAL HAS SO MUCH TRAVEL THAT IT GOES PAST THE ACCELERATOR PEDAL IN A SUDDEN PANIC TYPE STOP. AS THE FOOT PRESSES THE BRAKE PEDAL DOWN, THE FOOT AND PEDAL PASSES THE GAS PEDAL AND SOMETIMES, IF YOUR FOOT IS NOT POSITIONED PERFECTLY IT CAUSES THE GAS PEDAL TO BE PRESSED DOWN WITH THE BRAKE PEDAL. THUS THE VEHICLE IS TRYING TO ACCELERATE WHILE THE DRIVER IS TRYING TO STOP IT. THIS CAUSES INCREASED STOPPING DISTANCES AND WILL LEAD TO ACCIDENTS. IT HAS ALMOST CAUSED ME TWO ALREADY. I HAVE CONTACTED FORD MOTOR COMPANY BUT MY COMPLAINT APPARENTLY WASN'T WELL UNDERSTOOD. *TR
NHTSA ODI #10273205
10,000 miles · Apr 30, 2009
Vehicle Speed Control
THIS FORD F 150 PICKUP TRUCK HAS THE WIDEST GAS (ACCELERATOR) PEDAL I HAVE EVER SEEN AND AS A RESULT, MY RIGHT FOOT CONTINUES TO PRESS DOWN ON IT EVEN AFTER I HAVE STARTED APPLYING THE BRAKE PEDAL WITH THE SAME FOOT. I HAVE NEARLY COLLIDED WITH MY WORKING PARTNER AND A BOAT TRAILER THREE TIMES IN THE PAST MONTH AS WE WERE TRYING…
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THIS FORD F 150 PICKUP TRUCK HAS THE WIDEST GAS (ACCELERATOR) PEDAL I HAVE EVER SEEN AND AS A RESULT, MY RIGHT FOOT CONTINUES TO PRESS DOWN ON IT EVEN AFTER I HAVE STARTED APPLYING THE BRAKE PEDAL WITH THE SAME FOOT. I HAVE NEARLY COLLIDED WITH MY WORKING PARTNER AND A BOAT TRAILER THREE TIMES IN THE PAST MONTH AS WE WERE TRYING TO HOOK UP THE TRAILER TO THE TRUCK. AS I BACKED UP, AND MOVED MY FOOT FROM THE GAS PEDAL OVER TO THE BRAKE PEDAL, THE RIGHT EDGE OF MY FOOT WAS STILL PRESSING DOWN ON THE GAS PEDAL WHILE THE LEFT PART OF MY FOOT WAS PRESSING DOWN ON THE BRAKE PEDAL. SO BOTH PEDALS WERE BEING PRESSED DOWN AT THE SAME TIME, BUT THE GAS PEDAL DOMINATED AND INSTEAD OF SLOWING DOWN, THE TRUCK ACCELERATED IN REVERSE. TO AVOID THIS SITUATION, I HAVE TO CONSCIOUSLY MOVE MY FOOT OVER ONTO THE MIDDLE OR LEFT SIDE OF THE BRAKE PEDAL, WHICH IS SOMETHING I HAVE NEVER HAD TO DO BEFORE WITH ANY VEHICLE I HAVE DRIVEN, AND I HAVE BEEN DRIVING FOR 43 YEARS. I HAVE DRIVEN MANY FORD PICKUP TRUCKS, F-150, F-250, AND F-350, AND THE OLD F-100 AS WELL, PLUS DODGE AND CHEVROLET AND NISSAN AND TOYOTA PICKUP TRUCKS, FULL SIZE AND MID-SIZE AND MINI PICKUPS. I HAVE NEVER ENCOUNTERED THIS PROBLEM BEFORE IN MY ENTIRE LIFE, AND MY CO-WORKER HAS NOT EITHER. WE FEEL THAT THIS IS A DEFINITE SAFETY ISSUE THAT NEEDS TO BE ADDRESSED. THIS SITUATION ONLY OCCURS WHEN BACKING UP TO HITCH UP A BOAT TRAILER, NOT WHEN COMING TO A NORMAL TRAFFIC STOP, SO THE DIFFERENCE LIES IN THE FACT THAT MY FOOT IS MOVING FASTER FROM GAS PEDAL TO BRAKE PEDAL WHEN BACKING UP TO HOOK UP A TRAILER, THAN IT IS WHEN MAKING A NORMAL STOP IN TRAFFIC. BUT I HAVE BACKED UP MANY OTHER PICKUP TRUCKS IN THE PAST TO HOOK UP BOAT TRAILERS AND NEVER HAD THIS PROBLEM BEFORE. WE MEASURED THE FORD F-150'S GAS PEDAL WIDTH AND COMPARED IT WITH OTHER PICKUP GAS PEDAL WIDTHS AND THE FORD'S WAS WIDER THAN THE OTHERS. *TR
NHTSA ODI #10267392
4,000 miles · Apr 3, 2009
Vehicle Speed Control
I HAVE A NOISE PROBLEM AND HAVE BEEN TO SEVERAL DEALERS, WHEN YOU HOLD THE ACCELERATOR STEADY IT MAKES A VERY LOUD HISSING NOISE, WHEN YOU LET OFF THE GAS OR GET ON IT HEAVY IT GOES AWAY, THE DEALER HAS REPLACED THE INTAKE MANIFOLD AND THE CATALYTIC CONVERTER, WE HAVE TEST DRIVEN WITH THE SERVICE MANAGER A IDENTICAL TRUCK AND IT…
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I HAVE A NOISE PROBLEM AND HAVE BEEN TO SEVERAL DEALERS, WHEN YOU HOLD THE ACCELERATOR STEADY IT MAKES A VERY LOUD HISSING NOISE, WHEN YOU LET OFF THE GAS OR GET ON IT HEAVY IT GOES AWAY, THE DEALER HAS REPLACED THE INTAKE MANIFOLD AND THE CATALYTIC CONVERTER, WE HAVE TEST DRIVEN WITH THE SERVICE MANAGER A IDENTICAL TRUCK AND IT DOES NOT MAKE THE NOISE AND TRUCKS AT WORK THAT ARE EQUIVALENT DON'T MAKE THE NOISE AS WELL, THE SERVICE ADVISOR SAID IT IS NOT RIGHT HOWEVER WHEN AN ENGINEER CAME IN HE COULD NOT IDENTIFY THE PROBLEM AND DEEMED IT A CHARACTERISTIC OF THE VEHICLE, IT DID NOT START MAKING THE NOISE UNTIL IT HAD APPROXIMATELY 4 TO 5,000 MILES ON IT AND HAS GRADUALLY BEEN GETTING WORSE. FORD CUSTOMER SERVICE SAYS THEY ARE NOT GOING TO DO ANYTHING FURTHER WITH THIS ISSUE. *TR
NHTSA ODI #10264053
18,000 miles · Mar 19, 2009
Vehicle Speed ControlCrash
TL*THE CONTACT OWNS A 2008 FORD F-150. WHILE DRIVING APPROXIMATELY 50 MPH WITH THE CRUISE CONTROL ENGAGED, THE ENGINE BEGAN TO REV AT FULL THROTTLE AND THE VEHICLE ACCELERATED UNEXPECTEDLY. THERE WERE NO WARNING INDICATORS ILLUMINATED ON THE INSTRUMENT PANEL. IMMEDIATELY, THE CRUISE CONTROL WAS DISENGAGED TO SLOW THE VEHICLE …
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TL*THE CONTACT OWNS A 2008 FORD F-150. WHILE DRIVING APPROXIMATELY 50 MPH WITH THE CRUISE CONTROL ENGAGED, THE ENGINE BEGAN TO REV AT FULL THROTTLE AND THE VEHICLE ACCELERATED UNEXPECTEDLY. THERE WERE NO WARNING INDICATORS ILLUMINATED ON THE INSTRUMENT PANEL. IMMEDIATELY, THE CRUISE CONTROL WAS DISENGAGED TO SLOW THE VEHICLE DOWN. THE FAILURE OCCURRED SPORADICALLY. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR DIAGNOSTIC TESTING, BUT THEY COULD NOT DUPLICATE THE FAILURE. THE FAILURE RECURRED ON TWO SEPARATE OCCASIONS, IN WHICH THE MOST RECENT FAILURE CONTRIBUTED TO THE VEHICLE LUNGING FORWARD UNEXPECTEDLY INTO THE PRECEDING VEHICLE. THERE WERE NO PERSONAL INJURIES AND BOTH VEHICLES SUSTAINED MINOR DAMAGE. THE POLICE WAS CALLED TO THE SCENE AND FILED A REPORT. THE VEHICLE WAS TOWED TO THE AUTHORIZED DEALER FOR DIAGNOSTIC TESTING AND REPAIR. THE CONTACT IS WAITING ON A RESPONSE AS TO WHAT CAUSED THE FAILURE. THE FAILURE MILEAGE WAS 18,000 AND CURRENT MILEAGE WAS 23,000. UPDATED 12/8/09 *CN UPDATED 12/09/09
NHTSA ODI #10262428
1,533 miles · Feb 18, 2009
Vehicle Speed Control
I OWN A 2008 FORD F-150. LAST SATURDAY I ENTERED THE VEHICLE, STARTED THE ENGINE AND PUT THE VEHICLE IN DRIVE. THE ENGINE IMEDIATELY INCREASED IN RPM TO THE POINT WHERE THE REAR TIRES BEGAN SPINNING ON THE GRAVEL. I PUT THE TRANSMISSION IN NEUTRAL AND THE ENGINE RPM INCREASED. I REMOVED MY FOOT FROM THE BRAKE AND THE ENGINE CONT…
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I OWN A 2008 FORD F-150. LAST SATURDAY I ENTERED THE VEHICLE, STARTED THE ENGINE AND PUT THE VEHICLE IN DRIVE. THE ENGINE IMEDIATELY INCREASED IN RPM TO THE POINT WHERE THE REAR TIRES BEGAN SPINNING ON THE GRAVEL. I PUT THE TRANSMISSION IN NEUTRAL AND THE ENGINE RPM INCREASED. I REMOVED MY FOOT FROM THE BRAKE AND THE ENGINE CONTINUED AT A VERY HIGH RPM. I THEN DEPRESSED AND RELEASED THE ACCELERATOR AND THE ENGINE RETURNED TO A NORMAL IDLE. I HAVE READ OTHER COMPLAINTS ABPOUT THIS TYPE OF PROBLEM AND I DO NOT BELIEVE I WAS PRESSING ON BOTH THE BRAKE AND ACCELERATOR PEDAL AT THE SAME TIME. I ALSO DIDN'T SEE ANY ADVANTAGE TO TAKING MY VEHICLE TO MY DEALR SINCE NO ONE ELSE HAS BEEN ABLE TO FIND A PROBLEM. *TR
NHTSA ODI #10259199
2,100 miles · Sep 23, 2008
Vehicle Speed ControlCrash
TL*THE CONTACT OWNS A 2008 FORD F-150. WHILE DRIVING APPROXIMATELY 5 MPH AND THEN ATTEMPTING TO PARK, THE VEHICLE JUMPED THE SIDEWALK AND STRUCK A TREE. PRIOR TO THE FAILURE, THE CRUISE CONTROL WAS ENGAGED. THE CONTACT ATTEMPTED TO DISENGAGE IT, BUT IT REMAINED ACTIVATED. A POLICE REPORT WAS FILED. THE CURRENT AND FAILURE M…
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TL*THE CONTACT OWNS A 2008 FORD F-150. WHILE DRIVING APPROXIMATELY 5 MPH AND THEN ATTEMPTING TO PARK, THE VEHICLE JUMPED THE SIDEWALK AND STRUCK A TREE. PRIOR TO THE FAILURE, THE CRUISE CONTROL WAS ENGAGED. THE CONTACT ATTEMPTED TO DISENGAGE IT, BUT IT REMAINED ACTIVATED. A POLICE REPORT WAS FILED. THE CURRENT AND FAILURE MILEAGES WERE 2,100.
NHTSA ODI #10243156
100 miles · Sep 11, 2008
Vehicle Speed Control
TL*THE CONTACT OWNS A 2008 FORD F-150. WHILE DRIVING 5 MPH, THE CONTACT PULLED OUT OF HIS DRIVEWAY AND BEHIND ANOTHER VEHICLE. HER VEHICLE SUDDENLY ACCELERATED. ON ANOTHER OCCASION WHEN THE VEHICLE ACCELERATED ON ITS OWN, THE CONTACT DEPRESSED THE BRAKE PEDAL WITH BOTH FEET, BUT HER VEHICLE CONTINUED TO CREEP UP BEHIND ANOTHE…
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TL*THE CONTACT OWNS A 2008 FORD F-150. WHILE DRIVING 5 MPH, THE CONTACT PULLED OUT OF HIS DRIVEWAY AND BEHIND ANOTHER VEHICLE. HER VEHICLE SUDDENLY ACCELERATED. ON ANOTHER OCCASION WHEN THE VEHICLE ACCELERATED ON ITS OWN, THE CONTACT DEPRESSED THE BRAKE PEDAL WITH BOTH FEET, BUT HER VEHICLE CONTINUED TO CREEP UP BEHIND ANOTHER VEHICLE. WHILE BRAKING AT A TRAFFIC LIGHT AND DRIVING THROUGH A DRIVE THRU, THE VEHICLE BEGAN TO ACCELERATE. THE DEALER FOUND NO FAILURES WITH THE VEHICLE AND STATED THAT IT WAS DUE TO DRIVER ERROR. THE VIN WAS UNKNOWN. THE CURRENT MILEAGE WAS 700 AND FAILURE MILEAGE WAS 100.
NHTSA ODI #10241805
5,600 miles · Jul 2, 2008
Service Brakes, HydraulicVehicle Speed ControlCrashInjury
TL*THE CONTACT OWNS A 2008 FORD F-150. THE CONTACT STARTED THE VEHICLE AND DEPRESSED THE BRAKE PEDAL, BUT BOTH THE BRAKE AND ACCELERATOR PEDALS BECAME STUCK. THE VEHICLE SURGED BACKWARDS AND STRUCK THE BUMPER OF ANOTHER VEHICLE. THERE WERE NO WARNING INDICATORS PRIOR TO THE FAILURE. THE DRIVER SUSTAINED MINOR INJURIES. THE …
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TL*THE CONTACT OWNS A 2008 FORD F-150. THE CONTACT STARTED THE VEHICLE AND DEPRESSED THE BRAKE PEDAL, BUT BOTH THE BRAKE AND ACCELERATOR PEDALS BECAME STUCK. THE VEHICLE SURGED BACKWARDS AND STRUCK THE BUMPER OF ANOTHER VEHICLE. THERE WERE NO WARNING INDICATORS PRIOR TO THE FAILURE. THE DRIVER SUSTAINED MINOR INJURIES. THE POLICE WAS CALLED TO THE SCENE AND FILED A REPORT. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER AND A DIAGNOSTIC WAS PERFORMED, BUT NO FAILURES WERE FOUND. THE VIN AND SPEED WERE UNKNOWN. THE FAILURE MILEAGE WAS 5,600 AND CURRENT MILEAGE WAS 7,600.
NHTSA ODI #10233014
500 miles · Apr 30, 2008
Engine And Engine CoolingVehicle Speed Control
TOOK DELIVERY OF 2008 FORD F-150 LARIAT CREW CAB 4X4 ON 4/23/08. YESTERDAY 4/29/08 I WAS PREPARING TO PULL INTO A PARKING LOT FROM A TWO LANE HIGHWAY AND THE TRUCK SPONTANEOUSLY ACCELERATED AT FULL THROTTLE WITH MY FOOT FIRMLY ON THE BRAKE. I HAD THE SENSATION THAT I WAS HIT FROM BEHIND BECAUSE I WAS ADVANCING WITHOUT APPLYING T…
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TOOK DELIVERY OF 2008 FORD F-150 LARIAT CREW CAB 4X4 ON 4/23/08. YESTERDAY 4/29/08 I WAS PREPARING TO PULL INTO A PARKING LOT FROM A TWO LANE HIGHWAY AND THE TRUCK SPONTANEOUSLY ACCELERATED AT FULL THROTTLE WITH MY FOOT FIRMLY ON THE BRAKE. I HAD THE SENSATION THAT I WAS HIT FROM BEHIND BECAUSE I WAS ADVANCING WITHOUT APPLYING THE ACCELERATOR. WITH THE BRAKES FULLY APPLIED I CONTINUED TO ADVANCE INTO THE PARKING LOT AND I IMMEDIATELY SHIFTED INTO PARK IN ATTEMPT TO STOP THE VEHICLE. THE VEHICLE CAME TO A STOP AND THE ENGINE WAS RACING AT FULL THROTTLE IN PARK, I THEN TURNED THE IGNITION OFF AND THE ENGINE STOPPED. FROM THE TIME I EXPERIENCED THE SENSATION OF BEING HIT FROM BEHIND UNTIL THE VEHICLE CAME TO REST, I ESTIMATE THE DISTANCE OF TRAVEL AT 50 FEET. THERE WERE TWO PASSENGERS IN THE TRUCK WITH ME THAT WITNESSED THE EVENT AND CONCURRED THAT THE TRUCK HAD ACCELERATED SPONTANEOUSLY. I BROUGHT THE TRUCK TO THE DEALER, EXPLAINED THE EXPERIENCE AND AFTER CHECKING IT OUT INFORMED ME THAT NO PROBLEM COULD BE FOUND. I AM EXTREMELY CONCERNED THAT THIS COULD HAPPEN AGAIN AND THE POTENTIAL CONSEQUENCES COULD BE CATASTROPHIC. *TR
NHTSA ODI #10226138
NHTSA investigations
1PE08060 · Tire Valve Cracking
Opened Oct 14, 2008 · Closed Apr 9, 2009
Status: closed (inferred from source dates) · Tires:valve
ON OCTOBER 14, 2008, ODI OPENED PE08-060 TO INVESTIGATE ALLEGATIONS OF CRACKED AND LEAKING SNAP-IN TIRE VALVES IN MODEL YEAR (MY) 2007 VEHICLES MANUFACTURED BY FORD MOTOR COMPANY.THE VALVES WERE SUPPLIED TO FORD BY TOPSEAL AUTO-PARTS, A SUBSIDIARY OF THE SHANGHAI BAOLONG AUTOMOTIVE CORPORATION IN CHINA.VALVES MADE BY TOPSEAL FOR AFTERMARKET SALE WERE THE SUBJECT OF TWO RECENT SAFETY RECALLS BY TECH INTERNATIONAL (08T-018) AND DILL AIR CONTROLS (08T-028), THE LATTER OF WHICH WAS INVESTIGATED BY ODI IN PE08-036 AND EA08-022.THE DEFECT CONDITIONS ADDRESSED BY THE AFTERMARKET TIRE VALVE RECALLS BOTH INVOLVED INADEQUATE RESISTANCE TO OZONE CRACKING DUE TO ISSUES WITH THE SUPPLY OF ANTI-OZONANT CHEMICALS TO TOPSEAL FOR A PERIOD FROM JULY TO MID-NOVEMBER 2006.THE AFTERMARKET VALVES WERE COMPOUNDED WITH A BLEND OF EPDM AND NATURAL RUBBER, USING A RELATIVELY LOW PERCENTAGE OF EPDM (EPDM PROVIDES INHERENT RESISTANCE TO OZONE CRACKING).HENCE, THE NEED FOR ANTI-OZONANT CHEMICALS AND THE PROBLEMS WITH CRACKING WHEN THOSE CHEMICALS WERE MISSING OR OUT OF SPECIFICATION IN SOME LOTS OF VALVES.BOTH RECALL CAMPAIGNS INVOLVED INSPECTION PROGRAMS TO IDENTIFY AND REPLACE VALVES WITH VISIBLE SURFACE CRACKING.ALTHOUGH THE TOPSEAL VALVES SUPPLIED TO FORD ALSO APPEAR TO HAVE BEEN AFFECTED BY THE ANTI-OZONANT SUPPLY ISSUES IN MID TO LATE-2006, FORD INDICATED THAT ITS VALVES WERE MADE AT A DIFFERENT TOPSEAL PRODUCTION LINE AND WERE COMPOUNDED WITH A HIGHER PERCENTAGE OF EPDM RUBBER TO MEET MORE STRINGENT SPECIFICATIONS FROM FORD.ODI'S ANALYSIS OF COMPLAINT AND WARRANTY DATA PROVIDED BY FORD SHOWED THAT PROBLEMS WITH CRACKED TIRE VALVES WERE SIGNIFICANTLY HIGHER FOR MY 2007 VEHICLES PRODUCED FROM DECEMBER 2006 THROUGH MARCH 2007.FORD RESPONDED BY IMPLEMENTING CHANGES IN ITS MATERIAL SPECIFICATIONS FOR SNAP-IN RUBBER TIRE VALVES AND ALSO INCREASING THE QUALITY AND ACCEPTANCE STANDARDS FOR VALVES IMPORTED FOR USE IN ITS VEHICLES.WHILE THE COMPLAINT AND WARRANTY CLAIM RATES ARE ELEVATED FOR SUBJECT VEHICLES PRODUCED FROM DECEMBER 2006 THROUGH MARCH 2007, THE RATES OF LEAKING VALVES ARE WELL BELOW ONE PERCENT OF PRODUCTION FOR EACH OF THE PEAK MONTHS FOR ALL OF THE AFFECTED MODELS.A SUBSTANTIAL MAJORITY OF THE SUBJECT VEHICLES ARE EQUIPPED WITH TIRE PRESSURE MONITORING SYSTEMS (TPMS) WHICH WARN THE DRIVER WHEN ANY TIRE PRESSURES DROPS BELOW 25 PERCENT OF RECOMMENDED INFLATION PRESSURE. AS OUTLINED IN A LETTER TO ODI DATED APRIL 6, 2009, FORD HAS AGREED TO SEND LETTERS TO OWNERS OF CERTAIN MY 2007 AND 2008 FORD, LINCOLN AND MERCURY VEHICLES TO PROVIDE INFORMATION ABOUT THE CRACKING CONCERN. LETTERS WILL BE SENT TO OWNERS OF VEHICLES BUILT FROM NOVEMBER 2006 THROUGH MAY 2007.OWNERS CAN OPT FOR A FREE DEALER INSPECTION.VALVES EXHIBITING SURFACE CRACKS OR AIR LEAKAGE RELATED TO OZONE ATTACK WILL BE REPLACED BY FORD UNDER ITS NORMAL WARRANTY TERMS.FORD EXPECTS TO SEND THE LETTER BY APPROXIMATELY MID-MAY 2009. BASED ON THE USE OF TPMS IN THE MAJORITY OF SUBJECT VEHICLES AND THE RELATIVELY LOW RATES OF REPAIRS ASSOCIATED WITH LEAKING VALVES AND RESULTANT TIRE DAMAGE, ODI BELIEVES THAT THE ACTIONS FORD HAS AGREED TO TAKE WILL PROVIDE EFFECTIVE AND EXPEDITIOUS RESOLUTION FOR VEHICLES THAT WERE BUILT DURING THE PERIOD WHEN VALVES WITH INADEQUATE RESISTANCE TO OZONE CRACKING WERE MOST LIKELY TO HAVE BEEN USED IN VEHICLE PRODUCTION.FURTHER INVESTIGATION OF THIS MATTER WOULD NOT BE AN EFFICIENT ALLOCATION OF AGENCY RESOURCES.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL CONTINUE TO