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1998 Ford Explorer Sport

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 1998 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

69 reports with mileage · 52 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.

  • Latches/locks/linkages. Review the 33 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 18 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 →

NHTSA owner reports · September 18, 2026 snapshot.

5 crash reports13 fire reports7 injury reports

What owners actually said

121 reports
60,000 miles · Aug 14, 2007
Latches/locks/linkages

TL*THE CONTACT OWNS A 1998 FORD EXPLORER SPORT. THE CONTACT STATED THAT WHEN HE TURNS THE KEY IN THE UNLOCKED DOOR OF HIS VEHICLE, THE DOORS BECOME LOCKED. WHEN HE TURNS THE KEY IN THE OPPOSITE DIRECTION, THE DOORS STILL REMAIN LOCKED. WHEN HE PRESSES THE POWER LOCK/UNLOCK BUTTON FROM INSIDE THE VEHICLE, IT WILL LOCK THE DOOR…

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TL*THE CONTACT OWNS A 1998 FORD EXPLORER SPORT. THE CONTACT STATED THAT WHEN HE TURNS THE KEY IN THE UNLOCKED DOOR OF HIS VEHICLE, THE DOORS BECOME LOCKED. WHEN HE TURNS THE KEY IN THE OPPOSITE DIRECTION, THE DOORS STILL REMAIN LOCKED. WHEN HE PRESSES THE POWER LOCK/UNLOCK BUTTON FROM INSIDE THE VEHICLE, IT WILL LOCK THE DOORS BUT FAIL TO UNLOCK THEM, CAUSING PASSENGERS TO BE TRAPPED IN THE VEHICLE. THE CONTACT HAS HAD TO EXIT THROUGH THE WINDOW. HE HAS NOT TAKEN THE VEHICLE TO A REPAIR SHOP BECAUSE HE WOULD HAVE TO PAY FOR THE REPAIRS AND HE FEELS THE FAILURE SHOULD BE RECALLED. THE CURRENT MILEAGE WAS 80,000 AND FAILURE MILEAGE WAS 60,000.

NHTSA ODI #10199545

Mileage unknown · Aug 11, 2007
Latches/locks/linkages

THE LOCKS ON MY DOORS KEEP LOCKING BY THEMSELVES AND THE DRIVER SIDE DOOR WONT UNLOCK UNLESS YOU BEAT IT TO DEATH THE BACK LATCH DOES NOT OPEN AT ALL IT IS LOCKED AND WON'T UNLOCK. *TR

NHTSA ODI #10199307

Mileage unknown · May 12, 2007
Seat Belts

I SPOKE WITH 3 OTHER MOTHERS THAT HAVE 1998 EXPLORER AND ON EACH THE MIDDLE SEAT BELT WON'T WORK, I HAVE THREE LITTLE GRANDCHILDREN, AND BECAUSE OF THE PROBLEM I COULD NOT TAKE ALL THREE ANYWHERE. THEY COULD NOT SEAT UP FRONT. WHY DO 4 OUT OF 4 1998 EXPLORERS HAVE THE SAME PROBLEM? AT FIRST I THOUGHT I WOULD JUST ORDER A NEW …

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I SPOKE WITH 3 OTHER MOTHERS THAT HAVE 1998 EXPLORER AND ON EACH THE MIDDLE SEAT BELT WON'T WORK, I HAVE THREE LITTLE GRANDCHILDREN, AND BECAUSE OF THE PROBLEM I COULD NOT TAKE ALL THREE ANYWHERE. THEY COULD NOT SEAT UP FRONT. WHY DO 4 OUT OF 4 1998 EXPLORERS HAVE THE SAME PROBLEM? AT FIRST I THOUGHT I WOULD JUST ORDER A NEW ONE, BUT I DIDN'T HAVE THE $80.00 FOR PART AND INSTALLATION. UPON TALKING TO THESE OTHER EXPLORER OWNERS I REALLY FELT THAT INFERIOR BELT BUCKLES WERE USED. MY DAD WAS A FORD MAN AND WE WERE FORD PEOPLE. PLEASE HELP. *AK

NHTSA ODI #10190578

70,000 miles · May 11, 2007
Latches/locks/linkages

DRIVER'S SIDE POWER DOOR LOCK DID NOT UNLOCK EITHER WITH THE KEY OR LOCK BUTTON. IT TOOK MANY ATTEMPTS TO GET THE DOOR UNLOCKED, LEAVING ME NO CHOICE BUT TO EXIT OUT OF THE PASSENGER'S SIDE. *AK

NHTSA ODI #10190511

95,000 miles · May 2, 2007
Seats

TL* THE CONTACT OWNS A 1998 FORD EXPLORER SPORT. FRONT DRIVER SEAT LEVER WILL NOT STAY IN PLACE. DRIVING ON THE ROAD ONE AFTERNOON, THE SEAT RECLINED OUT OF CONTROL. THE SEAT MUST BE RECLINED IN A REASONABLE POSITION WHEN DRIVING. HOWEVER, IT WAS UNSAFE FOR HIM TO OPERATE THE VEHICLE. HE STATED THAT HE IS EXPERIENCING THE SA…

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TL* THE CONTACT OWNS A 1998 FORD EXPLORER SPORT. FRONT DRIVER SEAT LEVER WILL NOT STAY IN PLACE. DRIVING ON THE ROAD ONE AFTERNOON, THE SEAT RECLINED OUT OF CONTROL. THE SEAT MUST BE RECLINED IN A REASONABLE POSITION WHEN DRIVING. HOWEVER, IT WAS UNSAFE FOR HIM TO OPERATE THE VEHICLE. HE STATED THAT HE IS EXPERIENCING THE SAME FAILURE AS LISTED IN RECALL NUMBER 03V281000. THE RECALL STATED THAT ON CERTAIN SPORT UTILITY VEHICLES EQUIPPED WITH HIGH BACK SEATS THE UPPER BOLT ON THE DRIVER'S SIDE THAT ATTACHED THE SEAT RECLINER MECHANISM TO THE SEAT BACK FRAME COULD FRACTURE. THE DRIVER COULD POTENTIALLY LOSE CONTACT WITH THE STEERING WHEEL OR FOOT PEDALS DURING SUCH AN EVENT, INCREASING THE RISK OF A CRASH. THE MANUFACTURER STATED THAT THIS VEHICLE WAS NOT INCLUDED IN THE RECALL DUE TO THE VIN, AND THAT THERE WAS NOTHING THEY COULD OR WILL DO TO FIX IT. THE MANUFACTURER WAS ADVISED TO CALL THE NATIONAL HIGHWAY SAFETY ADMINISTRATION (NHTSA). THE CONTACT DID NOT KNOW THE NAME OF THE DEALER WHERE HE PURCHASED THE VEHICLE. THE CURRENT MILEAGE WAS 116,000, AND THE FAILURE MILEAGE WAS 95,000. *AK UPDATED 06/14/07. *JB

NHTSA ODI #10189534

107,000 miles · Mar 25, 2007
SteeringCrash

RIGHT FRONT STEERING KNUCKLE CRACKED IN HALF, CAUSING LOSS OF STEERING AND A RESULTING CRASH. *AK

NHTSA ODI #10186100

Mileage unknown · Mar 19, 2007
Latches/locks/linkages

MY VEHICLE IS CURRENTLY EXPERIENCING THE SAME PROBLEM AS THE PREVIOUS COMPLAINT. THE DOOR LOCKS WILL NOT UNLOCK WITH A KEY OR THE UNLOCK BUTTON WHEN LOCKED(ELECTRICAL). THIS COULD BE QUITE DANGEROUS IN AN ACCIDENT WHERE THE DRIVER WILL NOT BE ABLE TO EXIT AS THE DRIVER DOOR IS UNABLE TO UNLOCK.

NHTSA ODI #10185592

Mileage unknown · Feb 21, 2007
Electrical SystemFire

ON THE WAY HOME FROM WORK, PULLED INTO DRIVEWAY AND NOTICED THE ENGINE WAS ON FIRE, CONTACTED THE LOCAL FIRE DEPARTMENT WHO RESPONDED AND EXTINGUISH THE FIRE... THE VEHICLE WAS DESTROYED. *NM

NHTSA ODI #10183203

Mileage unknown · Feb 17, 2007
Latches/locks/linkages

THE DOOR LOCKS WILL NOT UNLOCK WITH A KEY OR THE UNLOCK BUTTON WHEN LOCKED(ELECTRICAL). MY VEHICLE IS NOT THE ONLY ONE. I HAVE SPOKEN WITH 5 OTHERS IN MY CITY ALONE WITH EXPLORERS AND THEY ARE ALL HAVING THE SAME TROUBLES. THIS HAS GOT TO BE A DEFECT FOR IT TO BE IN SO MANY OTHER EXPLORERS. *JB

NHTSA ODI #10182832

Mileage unknown · Feb 12, 2007
Suspension

I HAVE A 1998 FORD EXPLORER SPORT 2 DOOR 4WD WITH A SINGLE REAR LEAF SPRING ON EACH SIDE THE TRUCK SITS ABOUT 1-2 INCHES LOWER ON THE LEFT SIDE AND THE SPRING ARE ALMOST COMPLETELY FLAT. THIS IS NOT THE FIRST I HAVE HEARD OF THIS I HAVE TALKED TO MANY PEOPLE WITH THE MODEL EXPLORER THAT HAVE THE SAME PROBLEM IS THERE SOMETHING T…

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I HAVE A 1998 FORD EXPLORER SPORT 2 DOOR 4WD WITH A SINGLE REAR LEAF SPRING ON EACH SIDE THE TRUCK SITS ABOUT 1-2 INCHES LOWER ON THE LEFT SIDE AND THE SPRING ARE ALMOST COMPLETELY FLAT. THIS IS NOT THE FIRST I HAVE HEARD OF THIS I HAVE TALKED TO MANY PEOPLE WITH THE MODEL EXPLORER THAT HAVE THE SAME PROBLEM IS THERE SOMETHING THAT THE FACTORY CAN DO TO FIX IT WITHOUT ME THE CONSUMER HAVING TO PUT HUNDREDS OF DOLLARS INTO THIS VEHICLE. *JB

NHTSA ODI #10182413

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.