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1999 Ford Explorer Sport

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 1999 Ford Explorer Sport do not stand out strongly from the model-year median of 68.

About this comparison →

When problems were reported

Mileage at the reported incident

52 reports with mileage · 41 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 14 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Seats. Review the 14 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Vehicle Speed Control. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

6 crash reports5 fire reports7 injury reports

What owners actually said

93 reports
84,000 miles · Jan 19, 2011
Electrical System

TL* THE CONTACT OWNS A 1999 FORD EXPLORER. THE CONTACT STATED THAT THE WINDSHIELD WIPERS WOULD ENGAGE INDEPENDENTLY AND THE DOORS WOULD LOCK AND UNLOCK WITHOUT ENGAGEMENT. IN ADDITION, THE INTERIOR LIGHTS WERE ALSO DEFECTIVE. THE MANUFACTURER WAS CALLED AND ADVISED THE CONTACT THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN …

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TL* THE CONTACT OWNS A 1999 FORD EXPLORER. THE CONTACT STATED THAT THE WINDSHIELD WIPERS WOULD ENGAGE INDEPENDENTLY AND THE DOORS WOULD LOCK AND UNLOCK WITHOUT ENGAGEMENT. IN ADDITION, THE INTERIOR LIGHTS WERE ALSO DEFECTIVE. THE MANUFACTURER WAS CALLED AND ADVISED THE CONTACT THAT THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN ID NUMBER: 00V072000 (ELECTRICAL SYSTEM: FUSES AND CIRCUIT BREAKERS). THE VEHICLE WAS NEITHER DIAGNOSED FOR THE FAILURE OR REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 84,000.

NHTSA ODI #10377170

164,886 miles · Apr 25, 2010
Steering

SON WAS DRIVING TO SCHOOL. MANEUVERED TO AVOID CONTACT WITH A DEER AND HE LOST CONTROL. TIRE BURST AND FRONT END COLLAPSED. HE DIDN'T MAKE CONTACT WITH ANY OBJECT. CALLED TRIPLE A TO HAVE VEHICLE TOWED. TOW DRIVER IMMEDIATELY NOTICED AFTER PLACING VEHICLE ON HIS TRUCK THAT PART OF THE INNER OPERATIONS OF THE INTERMEDIATE STEERIN…

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SON WAS DRIVING TO SCHOOL. MANEUVERED TO AVOID CONTACT WITH A DEER AND HE LOST CONTROL. TIRE BURST AND FRONT END COLLAPSED. HE DIDN'T MAKE CONTACT WITH ANY OBJECT. CALLED TRIPLE A TO HAVE VEHICLE TOWED. TOW DRIVER IMMEDIATELY NOTICED AFTER PLACING VEHICLE ON HIS TRUCK THAT PART OF THE INNER OPERATIONS OF THE INTERMEDIATE STEERING CONTROL ARM ON ONE SIDE HAD CORRODED AND BROKE. HE STATED THAT THIS IS WHY OUR SON WAS NOT ABLE TO CONTROL THE VEHICLE. HE SUGGESTED FOR US TO CALL THE MAKER OF THE VEHICLE AND SEE IF THE PART IS ON RECALL AND TO TAKE PICTURES BECAUSE THIS WAS A COMPONENT OF THE VEHICLE THAT SHOULDN'T HAVE GONE BAD. THE STEERING AND BRAKES WERE COMPLETELY SEVERED WHEN THIS PART OF THE STEERING CORRODED AND SNAPPED UPON A SIMPLE MANUEVER. WE HAVE NOT HAD THE VEHICLE REPAIRED BECAUSE WE HAVE BEEN ADVISED THAT THIS IS A PRODUCT LIABILITY SITUATION BY AN ATTORNEY. OUR SON WAS NOT INJURED. AND ALL OF THE DAMAGE IS UNDERNEATH THE VEHICLE. THIS IN OUR OPINION IS A VERY SERIOUS SAFETY ISSUE. IF HE HAD BEEN GOING ANY FASTER ON THE MAIN HIGHWAY THE OUTCOME WOULD HAVE BEEN MUCH DIFFERENT BECAUSE OF THIS CORROSION OF THE INNER AREA OF THIS PART OF THE STEERING MECHANISM. *TR

NHTSA ODI #10327354

138,316 miles · Oct 26, 2009
TiresCrash

TIRE BLOW OUT RESULTING IN CRASH. *TR

NHTSA ODI #10289909

70,000 miles · Aug 25, 2009
Seats

THIS BOLT WAS REPLACED ON MY VEHICLE IN JAN 2004 AS PART OF THE RECALL. THE NEW BOLT THAT WAS INSTALLED FRACTURED CREATING A VERY SERIOUS CRASH RISK. FORD SAYS THEY WILL ONLY REPLACE ONCE. AUTO RECALL DATE: AUG 05, 2003 VEHICLE COMPONENT: SEATS:FRONT ASSEMBLY:RECLINER ESTIMATED VEHICLES AFFECTED: 1552880 MODEL AFFECTE…

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THIS BOLT WAS REPLACED ON MY VEHICLE IN JAN 2004 AS PART OF THE RECALL. THE NEW BOLT THAT WAS INSTALLED FRACTURED CREATING A VERY SERIOUS CRASH RISK. FORD SAYS THEY WILL ONLY REPLACE ONCE. AUTO RECALL DATE: AUG 05, 2003 VEHICLE COMPONENT: SEATS:FRONT ASSEMBLY:RECLINER ESTIMATED VEHICLES AFFECTED: 1552880 MODEL AFFECTED 1999 FORD EXPLORER 1999 FORD EXPLORER DEFECT SUMMARY: ON CERTAIN SPORT UTILITY VEHICLES EQUIPPED WITH HIGH BACK SEATS, THE UPPER BOLT ON THE DRIVER'S SIDE HIGH BACK SEAT, THAT ATTACHES THE SEAT RECLINER MECHANISM TO THE SEAT BACK FRAME, COULD FRACTURE. IF THE BOLT FRACTURES AND DOES NOT JAM IN THE SEAT BACK FRAME, THE SEAT BACK MAY RECLINE UNTIL IT MAKES CONTACT WITH AN OBJECT BEHIND THE SEAT, SUCH AS THE SECOND ROW SEAT CUSHION. DEFECT CONSEQUENCE: THE DRIVER COULD POTENTIALLY LOSE CONTACT WITH THE STEERING WHEEL OR FOOT PEDALS DURING SUCH AN EVENT, INCREASING THE RISK OF A CRASH. REMEDY: DEALERS WILL REPLACE THE DRIVER SEAT UPPER BOLT WITH A METAL SPACER AND BOLT. IN ADDITION, SEATS WITH TUBULAR BACK FRAMES WILL HAVE THE FULLY THREADED LOWER RECLINER BOLT REPLACED WITH A PARTIALLY THREADED BOLT. OWNER NOTIFICATION BEGAN ON AUGUST 29, 2003. OWNERS SHOULD CONTACT FORD AT 1-800-392-3673. ESTIMATED VEHICLES AFFECTED: 1552880 NOTES: FORD MOTOR COMPANY 03S04. *TR

NHTSA ODI #10281718

Mileage unknown · Aug 20, 2009
Steering

SMOKE COMING FROM STEERING COLUMN WHILE DRIVING ON FREEWAY,ALSO WHEN SIGNAL IS ACTIVATED . THIS IS THE FOURTH TIME. HAVE NOT SEEN ANY RECALLS OF THIS MATTER. *TR

NHTSA ODI #10281207

156,000 miles · Feb 2, 2009
Power Train

MY TRANSMISSION IS SLIPPING ESPECIALLY ON THE HIGHWAY O/D LIGHT FLASHES ON AND OFF. THERE ARE MANY MANY COMPLAINTS ON GOOGLE WITH PEOPLE WHO HAVE HAD THE SAME PROBLEM. SOME HAVE HAD THE TRANSMISSION STICK LEADING TO CRASHES. FORD SHOULD HAVE A RECALL AND BE MAKE TO FIX THESE BEFORE THEY KILL SOMEONE, IF THEY HAVEN'T ALREADY. …

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MY TRANSMISSION IS SLIPPING ESPECIALLY ON THE HIGHWAY O/D LIGHT FLASHES ON AND OFF. THERE ARE MANY MANY COMPLAINTS ON GOOGLE WITH PEOPLE WHO HAVE HAD THE SAME PROBLEM. SOME HAVE HAD THE TRANSMISSION STICK LEADING TO CRASHES. FORD SHOULD HAVE A RECALL AND BE MAKE TO FIX THESE BEFORE THEY KILL SOMEONE, IF THEY HAVEN'T ALREADY. FORD IS VERY AWARE OF THIS ISSUE, AND NHTSA NEEDS TO HOLD THEM ACCOUNTABLE AND GET OUR VEHICLES REPAIRED!!! *TR

NHTSA ODI #10257206

Mileage unknown · Nov 25, 2008
Power Train

NO MY TRANNY IS NOT WORK CORRECTLY. *TR

NHTSA ODI #10249844

102,000 miles · Jul 24, 2008
Air BagsElectrical SystemFuel System, Other

WHEN IT IS HOT OUTSIDE, THE CAR WILL NOT START. IT JUST CRANKS AND CRANKS,BUT, WILL NOT TURN OVER.....AS IF IT WAS OUT OF GAS WHEN IT IS NOT. THERE ARE MANY TRICKS TO GETTING THIS THING TO START THOUGH. IF THE WINDOWS ARE ROLLED UP ALL OF THE WAY, AND IT HAS NOT BEEN DRIVEN BEFORE NOON, IT WONT START. IF I DRIVE IT IN THE MORN…

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WHEN IT IS HOT OUTSIDE, THE CAR WILL NOT START. IT JUST CRANKS AND CRANKS,BUT, WILL NOT TURN OVER.....AS IF IT WAS OUT OF GAS WHEN IT IS NOT. THERE ARE MANY TRICKS TO GETTING THIS THING TO START THOUGH. IF THE WINDOWS ARE ROLLED UP ALL OF THE WAY, AND IT HAS NOT BEEN DRIVEN BEFORE NOON, IT WONT START. IF I DRIVE IT IN THE MORNING WHEN IT IS COOL OUTSIDE, IT WILL ALMOST ALWAYS START LATER IN THE DAY. IF I DON'T DRIVE IT UNTIL THE AFTERNOON, AND THE WINDOWS HAVE BEEN LEFT DOWN AND IT IS PARKED IN THE SHADE, IT WILL ALMOST ALWAYS START. THIS PROBLEM HAS BECOME A NIGHTMARE. I HAVE HAD IT IN THE SHOP 2 DIFFERENT TIMES AND THEY HAVE YET TO FIGURE OUT WHAT IS CAUSING THIS TO HAPPEN. THEY HAVE REPLACED RELAY SWITCH'S AND FUEL FILTER, BUT HAS NOT HELPED. I HAVE NOTICED THE "THEFT LIGHT" BLINKS RAPIDLY WHEN IT WONT START, EVEN THOUGH I HAVE NO THEFT DEVICE ACTIVATED IN THE VEHICLE!!! THE AIR BAG LIGHT COMES ON AND OFF WHEN IT FEELS LIKE IT, THE DRIVER SIDE WINDOW DOESN'T ROLE DOWN HALF THE TIME, AND THE SEAT BELTS IN THE BACK SEAT "LOCK UP" EVERY TIME SOMEONE USES THEM TO THE POINT WHERE WHOM EVER IS USING IT HAS TO TAKE IT OFF AND LET IT RETRACT ALL THE WAY TO GET IT TO UNLOCK. THIS HAPPENS SEVERAL TIMES DURING A TRIP IN THE CAR. I AM OVER ALL DISAPPOINTED WITH THE CAR AT THIS POINT, AND WOULD LOVE TO SELL IT, BUT, I CAN NOT PREDICT FROM DAY TO DAY IF IT WILL EVEN START FOR A BUYER TO TEST DRIVE IT!!!! THE STARTING ISSUE HAS BEEN GOING ON FOR A FEW MONTHS, THE OTHER ISSUES HAVE BEEN HAPPENING FOR ALMOST A YEAR NOW. *TR

NHTSA ODI #10235583

150,000 miles · Jun 30, 2008
Vehicle Speed ControlFire

FIRE IN ENGINE COMPARTMENT 4:00AM IN MORNING. *TR

NHTSA ODI #10232745

135,000 miles · May 25, 2008
Visibility

WINDSHIELD CRACKING AND STATIONARY WINDOW BACK PASSENGER WINDOW BREAKING FOR NO APPARENT REASON. *TR

NHTSA ODI #10228884

Official recalls

0

No recalls in this snapshot.

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

1

DP05005 · Spark Plug Ejection From Cylinder Head

Opened Sep 22, 2005 · Closed Jan 4, 2006

Status: closed (inferred from source dates) · Engine And Engine Cooling; Engine And Engine Cooling:engine; Engine And Engine Cooling:engine:gasoline

ON SEPTEMBER 6, 2005, ODI RECEIVED A PETITION REQUESTING THAT THE AGENCY INVESTIGATE ALLEGATIONS OF ENGINE SPARK PLUG EJECTION IN CERTAIN MODEL YEAR 1997 THROUGH 2004 FORD VEHICLES WITH TRITON V-8 AND V-10 ENGINES.ODI RECEIVED A TOTAL OF 474 NON-DUPLICATIVE COMPLAINTS ON THE SUBJECT VEHICLES WHERE THE COMPLAINANT, OR THE DEALER REPAIRING THE VEHICLE, REPORTED THAT A SPARK PLUG DETACHED FROM THE CYLINDER AND/OR EJECTED FROM THE ENGINE.AS OF DECEMBER 8, 2005, ODI IS NOT AWARE OF ANY ALLEGATIONS WHERE THE ALLEGED DEFECT RESULTED IN A LOSS OF VEHICLE CONTROL, A CRASH, AN INJURY, OR A FATALITY IN ANY OF THE 10,319,810 SUBJECT VEHICLES.IN ADDITION, ODI IS AWARE OF ONLY TWO INCIDENTS WHERE THE VEHICLE STALLED WITHOUT RESTART.INFORMATION CONTAINED IN THE ODI CONSUMER COMPLAINTS AND OBTAINED FROM 72 TELEPHONE INTERVIEWS WITH COMPLAINANTS SHOWED THE FOLLOWING:(1) 99% OF THE COMPLAINTS WERE ON MY 1997 TO 2002 SUBJECT VEHICLES.(2) MOST THE COMPLAINANTS REPORTED HEARING A LOUD POP WHILE DRIVING OR UPON STARTING UP THE VEHICLE FOLLOWED BY A LOUD, REPETITIVE CLICKING OR POPPING SOUND.(3) MANY OF THE COMPLAINANTS REPORTED THAT THE POPPING SOUND WAS ACCOMPANIED BY SOME LOSS OF VEHICLE POWER; HOWEVER, IN 99% OF THE INCIDENTS REPORTED, THE VEHICLE DID NOT STALL.IN THE VERY FEW INCIDENTS WHERE THE VEHICLE DID STALL, MOST VEHICLES COULD BE RESTARTED.(4) ONLY A SMALL PERCENTAGE OF THE COMPLAINANTS CITED THAT THEY SMELLED GAS OR A SLIGHT BURNING SMELL WHEN THE INCIDENT OCCURRED.(5) IN ALL BUT A VERY FEW INCIDENTS, VEHICLE DAMAGE WAS LIMITED TO THE ENGINE.IN ONE INCIDENT, THE COMPLAINT REPORTED THAT THE FUEL RAIL WAS DAMAGED AND REPLACED AFTER ONE OF THE SPARK PLUGS EJECTED FROM THE ENGINE; HOWEVER, THE COMPLAINANT REPORTED THAT THE DAMAGE DID NOT RESULT IN ANY TYPE OF FUEL LEAK OR FIRE.IN ANOTHER INCIDENT, THE ONLY INCIDENT WHERE A FIRE WAS ALLEGED, THE COMPLAINANT REPORTED THAT NO FLUID LEAK WAS OBSERVED, BUT THAT A FIRE RESULTED AFTER THE SPARK PLUG HAD EJECTED FROM THE ENGINE AND HE HAD RESTARTED THE VEHICLE AND DRIVEN TO ANOTHER LOCATION.NONE OF THE COMPLAINANTS REPORTED ANY DAMAGE TO THE VEHICLE HOOD.(6) ONLY TWO COMPLAINANTS REPORTED THAT THEY OBSERVED WHAT APPEARED TO BE SOME DROPS OF FUEL COMING FROM THE CYLINDER WHERE THE SPARK PLUG HAD FAILED OR ON THE SPARK PLUG ITSELF; HOWEVER, EACH OF THESE COMPLAINANTS REPORTED THAT THERE WAS NO SMOKE OR FLAMES AS A RESULT OF HIS INCIDENT.AS THE PETITIONER NOTED, AND ODI?S ANALYSIS SHOWED, IT IS POSSIBLE FOR A SPARK PLUG TO DETACH FROM THE ENGINE CYLINDER THREADS IN THE SUBJECT VEHICLES.HOWEVER, ODI?S ANALYSIS OF 474 COMPLAINTS DESCRIBING SUCH INCIDENTS FOUND ONLY A VERY FEW ALLEGED ANY SAFETY-RELATED CONSEQUENCES.NONE OF THESE SHOWED ANY EVIDENCE OF A SERIOUS SAFETY CONSEQUENCE.GIVEN THE LARGE POPULATION AND RELATIVELY LONG EXPOSURE TIME OF THE SUBJECT VEHICLES, THE COMPLAINT ANALYSIS INDICATES THAT THE RISK TO MOTOR VEHICLE SAFETY FROM THE ALLEGED DEFECT IS VERY LOW.IN VIEW OF THE FOREGOING, IT IS UNLIKELY THAT NHTSA WOULD ISSUE AN ORDER FOR THE NOTIFICATION AND REMEDY OF THE ALLEGED DEFECT AT THE CONCLUSION OF THE INVESTIGATION REQUESTED IN THE PETITION.THEREFORE, IN VIEW OF THE NEED TO ALLOCATE AND PRIORITIZE NHTSA?S LIMITED RESOURCES TO BEST ACCOMPLISH THE AGENCY?S SAFETY MISSION, THE PETITION IS DENIED.

Additional source detail variants (3)

Engine And Engine Cooling:engine

ON SEPTEMBER 6, 2005, ODI RECEIVED A PETITION REQUESTING THAT THE AGENCY INVESTIGATE ALLEGATIONS OF ENGINE SPARK PLUG EJECTION IN CERTAIN MODEL YEAR 1997 THROUGH 2004 FORD VEHICLES WITH TRITON V-8 AND V-10 ENGINES.ODI RECEIVED A TOTAL OF 474 NON-DUPLICATIVE COMPLAINTS ON THE SUBJECT VEHICLES WHERE THE COMPLAINANT, OR THE DEALER REPAIRING THE VEHICLE, REPORTED THAT A SPARK PLUG DETACHED FROM THE CYLINDER AND/OR EJECTED FROM THE ENGINE.AS OF DECEMBER 8, 2005, ODI IS NOT AWARE OF ANY ALLEGATIONS WHERE THE ALLEGED DEFECT RESULTED IN A LOSS OF VEHICLE CONTROL, A CRASH, AN INJURY, OR A FATALITY IN ANY OF THE 10,319,810 SUBJECT VEHICLES.IN ADDITION, ODI IS AWARE OF ONLY TWO INCIDENTS WHERE THE VEHICLE STALLED WITHOUT RESTART.INFORMATION CONTAINED IN THE ODI CONSUMER COMPLAINTS AND OBTAINED FROM 72 TELEPHONE INTERVIEWS WITH COMPLAINANTS SHOWED THE FOLLOWING:(1) 99% OF THE COMPLAINTS WERE ON MY 1997 TO 2002 SUBJECT VEHICLES.(2) MOST THE COMPLAINANTS REPORTED HEARING A LOUD POP WHILE DRIVING OR UPON STARTING UP THE VEHICLE FOLLOWED BY A LOUD, REPETITIVE CLICKING OR POPPING SOUND.(3) MANY OF THE COMPLAINANTS REPORTED THAT THE POPPING SOUND WAS ACCOMPANIED BY SOME LOSS OF VEHICLE POWER; HOWEVER, IN 99% OF THE INCIDENTS REPORTED, THE VEHICLE DID NOT STALL.IN THE VERY FEW INCIDENTS WHERE THE VEHICLE DID STALL, MOST VEHICLES COULD BE RESTARTED.(4) ONLY A SMALL PERCENTAGE OF THE COMPLAINANTS CITED THAT THEY SMELLED GAS OR A SLIGHT BURNING SMELL WHEN THE INCIDENT OCCURRED.(5) IN ALL BUT A VERY FEW INCIDENTS, VEHICLE DAMAGE WAS LIMITED TO THE ENGINE.IN ONE INCIDENT, THE COMPLAINT REPORTED THAT THE FUEL RAIL WAS DAMAGED AND REPLACED AFTER ONE OF THE SPARK PLUGS EJECTED FROM THE ENGINE; HOWEVER, THE COMPLAINANT REPORTED THAT THE DAMAGE DID NOT RESULT IN ANY TYPE OF FUEL LEAK OR FIRE.IN ANOTHER INCIDENT, THE ONLY INCIDENT WHERE A FIRE WAS ALLEGED, THE COMPLAINANT REPORTED THAT NO FLUID LEAK WAS OBSERVED, BUT THAT A FIRE RESULTED AFTER THE SPARK PLUG HAD EJECTED FROM THE ENGINE AND HE HAD RESTARTED THE VEHICLE AND DRIVEN TO ANOTHER LOCATION.NONE OF THE COMPLAINANTS REPORTED ANY DAMAGE TO THE VEHICLE HOOD.(6) ONLY TWO COMPLAINANTS REPORTED THAT THEY OBSERVED WHAT APPEARED TO BE SOME DROPS OF FUEL COMING FROM THE CYLINDER WHERE THE SPARK PLUG HAD FAILED OR ON THE SPARK PLUG ITSELF; HOWEVER, EACH OF THESE COMPLAINANTS REPORTED THAT THERE WAS NO SMOKE OR FLAMES AS A RESULT OF HIS INCIDENT.AS THE PETITIONER NOTED, AND ODI?S ANALYSIS SHOWED, IT IS POSSIBLE FOR A SPARK PLUG TO DETACH FROM THE ENGINE CYLINDER THREADS IN THE SUBJECT VEHICLES.HOWEVER, ODI?S ANALYSIS OF 474 COMPLAINTS DESCRIBING SUCH INCIDENTS FOUND ONLY A VERY FEW ALLEGED ANY SAFETY-RELATED CONSEQUENCES.NONE OF THESE SHOWED ANY EVIDENCE OF A SERIOUS SAFETY CONSEQUENCE.GIVEN THE LARGE POPULATION AND RELATIVELY LONG EXPOSURE TIME OF THE SUBJECT VEHICLES, THE COMPLAINT ANALYSIS INDICATES THAT THE RISK TO MOTOR VEHICLE SAFETY FROM THE ALLEGED DEFECT IS VERY LOW.IN VIEW OF THE FOREGOING, IT IS UNLIKELY THAT NHTSA WOULD ISSUE AN ORDER FOR THE NOTIFICATION AND REMEDY OF THE ALLEGED DEFECT AT THE CONCLUSION OF THE INVESTIGATION REQUESTED IN THE PETITION.THEREFORE, IN VIEW OF THE NEED TO ALLOCATE AND PRIORITIZE NHTSA?S LIMITED RESOURCES TO BEST ACCOMPLISH THE AGENCY?S SAFETY MISSION, THE PETITION IS DENIED.

Engine And Engine Cooling:engine:gasoline

ON SEPTEMBER 6, 2005, ODI RECEIVED A PETITION REQUESTING THAT THE AGENCY INVESTIGATE ALLEGATIONS OF ENGINE SPARK PLUG EJECTION IN CERTAIN MODEL YEAR 1997 THROUGH 2004 FORD VEHICLES WITH TRITON V-8 AND V-10 ENGINES.ODI RECEIVED A TOTAL OF 474 NON-DUPLICATIVE COMPLAINTS ON THE SUBJECT VEHICLES WHERE THE COMPLAINANT, OR THE DEALER REPAIRING THE VEHICLE, REPORTED THAT A SPARK PLUG DETACHED FROM THE CYLINDER AND/OR EJECTED FROM THE ENGINE.AS OF DECEMBER 8, 2005, ODI IS NOT AWARE OF ANY ALLEGATIONS WHERE THE ALLEGED DEFECT RESULTED IN A LOSS OF VEHICLE CONTROL, A CRASH, AN INJURY, OR A FATALITY IN ANY OF THE 10,319,810 SUBJECT VEHICLES.IN ADDITION, ODI IS AWARE OF ONLY TWO INCIDENTS WHERE THE VEHICLE STALLED WITHOUT RESTART.INFORMATION CONTAINED IN THE ODI CONSUMER COMPLAINTS AND OBTAINED FROM 72 TELEPHONE INTERVIEWS WITH COMPLAINANTS SHOWED THE FOLLOWING:(1) 99% OF THE COMPLAINTS WERE ON MY 1997 TO 2002 SUBJECT VEHICLES.(2) MOST THE COMPLAINANTS REPORTED HEARING A LOUD POP WHILE DRIVING OR UPON STARTING UP THE VEHICLE FOLLOWED BY A LOUD, REPETITIVE CLICKING OR POPPING SOUND.(3) MANY OF THE COMPLAINANTS REPORTED THAT THE POPPING SOUND WAS ACCOMPANIED BY SOME LOSS OF VEHICLE POWER; HOWEVER, IN 99% OF THE INCIDENTS REPORTED, THE VEHICLE DID NOT STALL.IN THE VERY FEW INCIDENTS WHERE THE VEHICLE DID STALL, MOST VEHICLES COULD BE RESTARTED.(4) ONLY A SMALL PERCENTAGE OF THE COMPLAINANTS CITED THAT THEY SMELLED GAS OR A SLIGHT BURNING SMELL WHEN THE INCIDENT OCCURRED.(5) IN ALL BUT A VERY FEW INCIDENTS, VEHICLE DAMAGE WAS LIMITED TO THE ENGINE.IN ONE INCIDENT, THE COMPLAINT REPORTED THAT THE FUEL RAIL WAS DAMAGED AND REPLACED AFTER ONE OF THE SPARK PLUGS EJECTED FROM THE ENGINE; HOWEVER, THE COMPLAINANT REPORTED THAT THE DAMAGE DID NOT RESULT IN ANY TYPE OF FUEL LEAK OR FIRE.IN ANOTHER INCIDENT, THE ONLY INCIDENT WHERE A FIRE WAS ALLEGED, THE COMPLAINANT REPORTED THAT NO FLUID LEAK WAS OBSERVED, BUT THAT A FIRE RESULTED AFTER THE SPARK PLUG HAD EJECTED FROM THE ENGINE AND HE HAD RESTARTED THE VEHICLE AND DRIVEN TO ANOTHER LOCATION.NONE OF THE COMPLAINANTS REPORTED ANY DAMAGE TO THE VEHICLE HOOD.(6) ONLY TWO COMPLAINANTS REPORTED THAT THEY OBSERVED WHAT APPEARED TO BE SOME DROPS OF FUEL COMING FROM THE CYLINDER WHERE THE SPARK PLUG HAD FAILED OR ON THE SPARK PLUG ITSELF; HOWEVER, EACH OF THESE COMPLAINANTS REPORTED THAT THERE WAS NO SMOKE OR FLAMES AS A RESULT OF HIS INCIDENT.AS THE PETITIONER NOTED, AND ODI?S ANALYSIS SHOWED, IT IS POSSIBLE FOR A SPARK PLUG TO DETACH FROM THE ENGINE CYLINDER THREADS IN THE SUBJECT VEHICLES.HOWEVER, ODI?S ANALYSIS OF 474 COMPLAINTS DESCRIBING SUCH INCIDENTS FOUND ONLY A VERY FEW ALLEGED ANY SAFETY-RELATED CONSEQUENCES.NONE OF THESE SHOWED ANY EVIDENCE OF A SERIOUS SAFETY CONSEQUENCE.GIVEN THE LARGE POPULATION AND RELATIVELY LONG EXPOSURE TIME OF THE SUBJECT VEHICLES, THE COMPLAINT ANALYSIS INDICATES THAT THE RISK TO MOTOR VEHICLE SAFETY FROM THE ALLEGED DEFECT IS VERY LOW.IN VIEW OF THE FOREGOING, IT IS UNLIKELY THAT NHTSA WOULD ISSUE AN ORDER FOR THE NOTIFICATION AND REMEDY OF THE ALLEGED DEFECT AT THE CONCLUSION OF THE INVESTIGATION REQUESTED IN THE PETITION.THEREFORE, IN VIEW OF THE NEED TO ALLOCATE AND PRIORITIZE NHTSA?S LIMITED RESOURCES TO BEST ACCOMPLISH THE AGENCY?S SAFETY MISSION, THE PETITION IS DENIED.

Engine And Engine Cooling

ON SEPTEMBER 6, 2005, ODI RECEIVED A PETITION REQUESTING THAT THE AGENCY INVESTIGATE ALLEGATIONS OF ENGINE SPARK PLUG EJECTION IN CERTAIN MODEL YEAR 1997 THROUGH 2004 FORD VEHICLES WITH TRITON V-8 AND V-10 ENGINES.ODI RECEIVED A TOTAL OF 474 NON-DUPLICATIVE COMPLAINTS ON THE SUBJECT VEHICLES WHERE THE COMPLAINANT, OR THE DEALER REPAIRING THE VEHICLE, REPORTED THAT A SPARK PLUG DETACHED FROM THE CYLINDER AND/OR EJECTED FROM THE ENGINE.AS OF DECEMBER 8, 2005, ODI IS NOT AWARE OF ANY ALLEGATIONS WHERE THE ALLEGED DEFECT RESULTED IN A LOSS OF VEHICLE CONTROL, A CRASH, AN INJURY, OR A FATALITY IN ANY OF THE 10,319,810 SUBJECT VEHICLES.IN ADDITION, ODI IS AWARE OF ONLY TWO INCIDENTS WHERE THE VEHICLE STALLED WITHOUT RESTART.INFORMATION CONTAINED IN THE ODI CONSUMER COMPLAINTS AND OBTAINED FROM 72 TELEPHONE INTERVIEWS WITH COMPLAINANTS SHOWED THE FOLLOWING:(1) 99% OF THE COMPLAINTS WERE ON MY 1997 TO 2002 SUBJECT VEHICLES.(2) MOST THE COMPLAINANTS REPORTED HEARING A LOUD POP WHILE DRIVING OR UPON STARTING UP THE VEHICLE FOLLOWED BY A LOUD, REPETITIVE CLICKING OR POPPING SOUND.(3) MANY OF THE COMPLAINANTS REPORTED THAT THE POPPING SOUND WAS ACCOMPANIED BY SOME LOSS OF VEHICLE POWER; HOWEVER, IN 99% OF THE INCIDENTS REPORTED, THE VEHICLE DID NOT STALL.IN THE VERY FEW INCIDENTS WHERE THE VEHICLE DID STALL, MOST VEHICLES COULD BE RESTARTED.(4) ONLY A SMALL PERCENTAGE OF THE COMPLAINANTS CITED THAT THEY SMELLED GAS OR A SLIGHT BURNING SMELL WHEN THE INCIDENT OCCURRED.(5) IN ALL BUT A VERY FEW INCIDENTS, VEHICLE DAMAGE WAS LIMITED TO THE ENGINE.IN ONE INCIDENT, THE COMPLAINT REPORTED THAT THE FUEL RAIL WAS DAMAGED AND REPLACED AFTER ONE OF THE SPARK PLUGS EJECTED FROM THE ENGINE; HOWEVER, THE COMPLAINANT REPORTED THAT THE DAMAGE DID NOT RESULT IN ANY TYPE OF FUEL LEAK OR FIRE.IN ANOTHER INCIDENT, THE ONLY INCIDENT WHERE A FIRE WAS ALLEGED, THE COMPLAINANT REPORTED THAT NO FLUID LEAK WAS OBSERVED, BUT THAT A FIRE RESULTED AFTER THE SPARK PLUG HAD EJECTED FROM THE ENGINE AND HE HAD RESTARTED THE VEHICLE AND DRIVEN TO ANOTHER LOCATION.NONE OF THE COMPLAINANTS REPORTED ANY DAMAGE TO THE VEHICLE HOOD.(6) ONLY TWO COMPLAINANTS REPORTED THAT THEY OBSERVED WHAT APPEARED TO BE SOME DROPS OF FUEL COMING FROM THE CYLINDER WHERE THE SPARK PLUG HAD FAILED OR ON THE SPARK PLUG ITSELF; HOWEVER, EACH OF THESE COMPLAINANTS REPORTED THAT THERE WAS NO SMOKE OR FLAMES AS A RESULT OF HIS INCIDENT.AS THE PETITIONER NOTED, AND ODI?S ANALYSIS SHOWED, IT IS POSSIBLE FOR A SPARK PLUG TO DETACH FROM THE ENGINE CYLINDER THREADS IN THE SUBJECT VEHICLES.HOWEVER, ODI?S ANALYSIS OF 474 COMPLAINTS DESCRIBING SUCH INCIDENTS FOUND ONLY A VERY FEW ALLEGED ANY SAFETY-RELATED CONSEQUENCES.NONE OF THESE SHOWED ANY EVIDENCE OF A SERIOUS SAFETY CONSEQUENCE.GIVEN THE LARGE POPULATION AND RELATIVELY LONG EXPOSURE TIME OF THE SUBJECT VEHICLES, THE COMPLAINT ANALYSIS INDICATES THAT THE RISK TO MOTOR VEHICLE SAFETY FROM THE ALLEGED DEFECT IS VERY LOW.IN VIEW OF THE FOREGOING, IT IS UNLIKELY THAT NHTSA WOULD ISSUE AN ORDER FOR THE NOTIFICATION AND REMEDY OF THE ALLEGED DEFECT AT THE CONCLUSION OF THE INVESTIGATION REQUESTED IN THE PETITION.THEREFORE, IN VIEW OF THE NEED TO ALLOCATE AND PRIORITIZE NHTSA?S LIMITED RESOURCES TO BEST ACCOMPLISH THE AGENCY?S SAFETY MISSION, THE PETITION IS DENIED.