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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

Tires complaints

11 reports
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174,559 miles · Oct 13, 2013
TiresWheels

THESE TIRES ARE STILL UNDER WARRANTY. WHEN THEY WERE FIRST INSTALLED, WE NOTICED A STRANGE SOUND. WE DID NOT ASSUME IT WAS FROM THE TIRES, BUT THOUGHT IT WAS RELATED TO THE ROTORS. THIS IS NOT OUR ONLY VEHICLE AND WE DON'T DRIVE IT ALL OF THE TIME; IN FACT IT IS PARKED MUCH OF THE TIME. WE DID NOT GET THE ROTORS REPLACED UNTIL A…

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THESE TIRES ARE STILL UNDER WARRANTY. WHEN THEY WERE FIRST INSTALLED, WE NOTICED A STRANGE SOUND. WE DID NOT ASSUME IT WAS FROM THE TIRES, BUT THOUGHT IT WAS RELATED TO THE ROTORS. THIS IS NOT OUR ONLY VEHICLE AND WE DON'T DRIVE IT ALL OF THE TIME; IN FACT IT IS PARKED MUCH OF THE TIME. WE DID NOT GET THE ROTORS REPLACED UNTIL AUGUST OF 2013. THE SOUND CONTINUED EVEN WITH THE NEW ROTORS, TO OUR SURPRISE. SO WE WENT BACK AND CHECKED A SECOND MECHANIC WHO THEN REMOVED ALL OF THE TIRES. AFTER INSPECTING THE TIRES, THE MECHANIC SHOWED US WHERE THEY WERE DEFECTIVE. HE PHYSICALLY POINTED OUT SOME AREAS WHERE THEY WERE DEFORMED. HE TOLD US TO TAKE THEM BACK TO WHERE WE PURCHASED THEM FOR REPLACEMENT. IN SHORT, WE WERE NOT ABLE TO GET THEM REPLACED AT WAL MART WHERE THEY WERE PURCHASED. I WOULD LIKE THESE TIRES INDEPENDENTLY INSPECTED SO THAT WE CAN VERIFY THAT THEY ARE INDEED DEFECTIVE. THANK YOU. *TR

NHTSA ODI #10547763

155,000 miles · Apr 15, 2011
Tires

GENERAL TIRE TREAD SEPARATION FORD EXPLORER. *TR

NHTSA ODI #10396034

Mileage unknown · Nov 28, 2008
Tires

I HAVE HAD TWO FLAT TIRES AS A RESULT OF DEFECTIVE VALVE STEMS. BF GOODRICH RADIALS WERE INSTALLED AT SEARS ON MY 1998 EXPLORER SPORT IN 12/06. THE FIRST VALVE COMPLETELY DEFLATED MY TIRE 4 OR SO MONTHS AGO WHILE SITTING OVERNIGHT IN MY GARAGE. I ASSUMED I HAD CAUSED THE SLICE IN THE VALVE BY DRIVING, BUT HADN'T HIT ANYTHING. ON…

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I HAVE HAD TWO FLAT TIRES AS A RESULT OF DEFECTIVE VALVE STEMS. BF GOODRICH RADIALS WERE INSTALLED AT SEARS ON MY 1998 EXPLORER SPORT IN 12/06. THE FIRST VALVE COMPLETELY DEFLATED MY TIRE 4 OR SO MONTHS AGO WHILE SITTING OVERNIGHT IN MY GARAGE. I ASSUMED I HAD CAUSED THE SLICE IN THE VALVE BY DRIVING, BUT HADN'T HIT ANYTHING. ON 11/26/08 AT 7:00 P.M. I WAS DRIVING I-95 S AT HIGHWAY SPEEDS, AND NOTICED UNUSUAL DRIVING SENSATIONS. AFTER SEVERAL MILES, I FIGURED OUT IT WAS A TIRE GOING DOWN, AND TOOK APPROPRIATE ACTION--SLOWING, BEING ACUTELY AWARE OF TRAFFIC, AND SEEKING A SAFE EXIT. WHEN I EXITED INTO A GROCERY PARKING LOT, I IMMEDIATELY GOT OUT AND DISCOVERED MY REAR PASSENGER TIRE WAS COMPLETELY FLAT, AND ONCE AGAIN, THE VALVE WAS SLICED. I SEARCHED THE INTERNET FOR DEFECTIVE VALVES AFTER RECALLING HEARING ABOUT DEFECTIVE VALVE STEMS MANUFACTURED IN CHINA SEVERAL MONTHS AGO. I LEARNED DILL AIR CONTROLS PRODUCTS AND THE NHTSA HAD ISSUED WARNINGS REGARDING SAME AFTER A DEATH OF AN ORLANDO, FL MAN. I AM RETURNING TO SEARS TO HAVE ALL 4 OF MY TIRES INSPECTED FOR FAULTY VALVES. *TR

NHTSA ODI #10250079

Mileage unknown · Jan 24, 2007
Tires

1998 FORD EXPLORER SPORT WITH TIRES THAT WERE RECALLED **CC THE CONSUMER STATED SHE WAS DENIED NEW TIRES. THE TIRES THAT ARE ON THE VEHICLE WERE RECALLED. *JB

NHTSA ODI #10181588

Mileage unknown · Oct 2, 2006
Tires

I RECEIVED A RECALL LETTER PERTAINING TO THE TIRES ON MY VEHICLE. I HAVE HAD TO REPLACE THE TIRES DUE TO A BLOW OUT THAT HAD OCCURRED ALL TIRES HAVE BEEN REPLACED AT MY EXPENSE PRIOR TO THE LETTER. I DO STILL CARRY THE P255/70R16 WILDERNESS AS A SPARE. I WOULD LIKE TO KNOW IF I AM ENTITLED TO BE REIMBURSED FOR THE REPLACEMENT O…

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I RECEIVED A RECALL LETTER PERTAINING TO THE TIRES ON MY VEHICLE. I HAVE HAD TO REPLACE THE TIRES DUE TO A BLOW OUT THAT HAD OCCURRED ALL TIRES HAVE BEEN REPLACED AT MY EXPENSE PRIOR TO THE LETTER. I DO STILL CARRY THE P255/70R16 WILDERNESS AS A SPARE. I WOULD LIKE TO KNOW IF I AM ENTITLED TO BE REIMBURSED FOR THE REPLACEMENT OF MY TIRES. *JB

NHTSA ODI #10169774

Mileage unknown · Aug 12, 2005
Tires

DT: THE CONTACT OWNED A 1998 FORD EXPLORER SPORT. HAD FIRESTONE WILDERNESS AT TIRES ON VEHICLE. WENT FOR INSPECTION AND FAILED BECAUSE THE TIRES WERE RECALLED. HE CONTACTED FORD AS WELL AS FIRESTONE, AND THEY TOLD HIM THE RECALL WAS OVER AND THERE WAS NOTHING THEY COULD DO. THE TIRE SIZE WAS P235/70R16. THE TIRES ON T…

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DT: THE CONTACT OWNED A 1998 FORD EXPLORER SPORT. HAD FIRESTONE WILDERNESS AT TIRES ON VEHICLE. WENT FOR INSPECTION AND FAILED BECAUSE THE TIRES WERE RECALLED. HE CONTACTED FORD AS WELL AS FIRESTONE, AND THEY TOLD HIM THE RECALL WAS OVER AND THERE WAS NOTHING THEY COULD DO. THE TIRE SIZE WAS P235/70R16. THE TIRES ON THE VEHICLE SPLIT BETWEEN THE THREADS, AND SIDEWALLS. IT WAS LIKE THEY WERE SEPARATING ON ALL FIVE OF THE TIRES, INCLUDING THE SPARE TIRE. *AK *NM

NHTSA ODI #10129499

Mileage unknown · Jul 19, 2004
TiresCrashInjury

MY HUSBAND, NINE YEAR OLD NEPHEW AND I WERE DRIVING BACK FROM OUR SUMMER VACATION. THE NIGHT BEFORE OUR ACTUAL ACCIDENT, OUR FRONT RIGHT TIRE HAD TREAD SEPARATION. MY HUSBAND PUT THE SPARE ON AND WE WENT ON TO OUR HOTEL. THE NEXT DAY OUR LEFT REAR TIRE HAD TREAD SEPARATION AND FORCED MY 1998 FORD EXPLORER SPORT ONTO THE MEDIA…

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MY HUSBAND, NINE YEAR OLD NEPHEW AND I WERE DRIVING BACK FROM OUR SUMMER VACATION. THE NIGHT BEFORE OUR ACTUAL ACCIDENT, OUR FRONT RIGHT TIRE HAD TREAD SEPARATION. MY HUSBAND PUT THE SPARE ON AND WE WENT ON TO OUR HOTEL. THE NEXT DAY OUR LEFT REAR TIRE HAD TREAD SEPARATION AND FORCED MY 1998 FORD EXPLORER SPORT ONTO THE MEDIAN. SOMEWHERE DURING THAT OUR RIGHT REAR TIRE BLEW OUT. THEN WE ROLLED OVER THREE TIMES. WE WERE TRAVELING THE SPEED LIMIT AT 70 MPH. WE STRONGLY FEEL THAT THE DUNLOP TIRES WERE THE CAUSE OF THIS ACCIDENT. MY EXPLORER WAS A TOTAL LOSS. DESPITE THE EVENTS, MY HUSBAND NEPHEW AND I WALKED AWAY WITH ONLY SCRATCHES AND MINOR CUTS. I THANK FORD FOR THAT. I WOULD ALSO LIKE TO MENTION THAT ABOUT A YEAR AGO I HAD TO REPLACE ONE OF THE DUNLOP TIRES FOR TREAD SEPARATION. I RECEIVED ANOTHER TIRE. THAT TIRE WHICH WAS ON THE FRONT LEFT AND THE SPARE (WHICH WAS A FIRESTONE) DID NOT GIVE OUT BUT BASICALLY THE FOUR DUNLOP TIRES THAT I PURCHASED, I STRONGLY FEEL, WERE DEFECTIVE. *JB

NHTSA ODI #10082201

49,000 miles · Nov 30, 2003
Tires

WHILE DRIVING 98 FORD EXPLORER SPORT .AFTER ABOUT 2 HOURS OF HIGHWAY DRIVING AT 65 MPH THE REAR PASSANGER SIDE TIRE BLEW OUT.TIRE WAS A GOODYEAR WRANGLER RT/S 255/70R16.TIRE SEPERATED FROM SIDEWALL 3/4 OF THE WAY AROUND.HAD RAGGED EDGE LIKE IT WAS PULLED APART.TIRE DEFECTIVE ? LOOKED LIKE DRY ROT.98 EXPLORER HAS 49,000 MILES …

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WHILE DRIVING 98 FORD EXPLORER SPORT .AFTER ABOUT 2 HOURS OF HIGHWAY DRIVING AT 65 MPH THE REAR PASSANGER SIDE TIRE BLEW OUT.TIRE WAS A GOODYEAR WRANGLER RT/S 255/70R16.TIRE SEPERATED FROM SIDEWALL 3/4 OF THE WAY AROUND.HAD RAGGED EDGE LIKE IT WAS PULLED APART.TIRE DEFECTIVE ? LOOKED LIKE DRY ROT.98 EXPLORER HAS 49,000 MILES ON IT .NOT SURE IF TIRES WERE ORIGINAL EGUITMENT.BOUGHT CAR USED.*AK

NHTSA ODI #10048868

Mileage unknown · Jun 15, 2001
TiresInjury

THE CONSUMER SWERVED TO AVOID AN ONCOMING CAR, AFTER THE VEHICLE WAS BACK ON THE ROAD THE RIGHT REAR FIRESTONE (WILDERNESS AT P235/75R15) TIRE BLEWOUT CAUSING THE VEHICLE TO ROLLOVER THREE TIMES, ONE PASSENGER WAS TREATED FOR CONTUSIONS AND A SEVERED FINGER, THE OTHER THREE OCCUPANTS WERE TREATED FOR MINOR CONTUSIONS. NLM

NHTSA ODI #561637

Mileage unknown · May 22, 2001
Tires

WHILE DRIVING ON THE INTERSTATE, CONSUMER STATES SHE HEARD A TREMENDOUS NOISE AND THE VEHICLE BECAME HARD TO STEER, SHE PULLED OVER TO THE SIDE OF THE ROAD AND DISCOVERED THAT THE LEFT REAR TIRE WAS IN SHREDS, CONSUMER TOOK VEHICLE TO A FIRESTONE DEALER AND WAS ADVISED THAT THE FIRESTONE WILDERNESS AT TIRE (P235/75R15) WAS NOT D…

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WHILE DRIVING ON THE INTERSTATE, CONSUMER STATES SHE HEARD A TREMENDOUS NOISE AND THE VEHICLE BECAME HARD TO STEER, SHE PULLED OVER TO THE SIDE OF THE ROAD AND DISCOVERED THAT THE LEFT REAR TIRE WAS IN SHREDS, CONSUMER TOOK VEHICLE TO A FIRESTONE DEALER AND WAS ADVISED THAT THE FIRESTONE WILDERNESS AT TIRE (P235/75R15) WAS NOT DEFECTIVE, CONSUMER HAD TIRE REPLACED. *JB

NHTSA ODI #561295

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.