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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

Equipment complaints

8 reports
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122,700 miles · Jan 27, 2009
EquipmentLatches/locks/linkages

IN 2007, MY 1998 FORD EXPLORER DRIVER DOOR LOCK STOPPED WORKING. IT REALLY DIDN'T BOTHER ME ALL THAT MUCH UNTIL ONE DAY BY ACCIDENT THE DOOR LOCKED AND WOULD NOT COME OPEN. I HAD TO PUSH WITH ALL MY FORCE AND PULL UP ON THE INTERIOR DOOR HANDLE AT THE SAME TIME. FINALLY IT CAME OPEN BUT THE DOOR HANDLE BROKE. NOW IT WAS TO THE P…

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IN 2007, MY 1998 FORD EXPLORER DRIVER DOOR LOCK STOPPED WORKING. IT REALLY DIDN'T BOTHER ME ALL THAT MUCH UNTIL ONE DAY BY ACCIDENT THE DOOR LOCKED AND WOULD NOT COME OPEN. I HAD TO PUSH WITH ALL MY FORCE AND PULL UP ON THE INTERIOR DOOR HANDLE AT THE SAME TIME. FINALLY IT CAME OPEN BUT THE DOOR HANDLE BROKE. NOW IT WAS TO THE POINT OF DISGUST. DIDN'T HAVE THE MONEY TO FIX IT SO WE WAITED UNTIL WE DID. IN 2008, I TOOK MY EXPLORER TO THE LOCAL DEALERSHIP. I WAS QUOTED $197 FOR EVERYTHING, INSTALLATION, PARTS, AND LABOR. BUT WHEN I CAME TO PAY THE BILL I WAS INFORMED IT WAS GOING TO BE ABOUT $100 IF NOT MORE WHEN COMPLETED. SO MY AUNTS BOYFRIEND, WHO DOES AUTO BODY WORK, FIXED IT. IT WAS WORKING FINE, WE STILL HAD TO JIGGLE TO LOCK FROM THE OUTSIDE TO GET THE LOCKS TO UNLOCK. AND THEN ABOUT A WEEK AGO, I WAS GETTING OUT AND THE DOOR HANDLE BROKE AGAIN. THIS TIME THE HANDLE IS STUCK. I NOW HAVE TO ROLL DOWN THE WINDOW AND OPEN THE DOOR FROM THE OUTSIDE OR CRAWL ACROSS THE PASSENGER SIDE. WHICH WE HAVE HAD TO DO THAT IN THE PAST AND IT IS EMBARRASSING. SO NOW I'VE E-MAILED FORD ABOUT MY COMPLAINT AND THAT IS WHERE I WAS INFORMED YOU DONE THE RECALLS. I REALLY LEARNED THAT THERE IS ALOT OF PEOPLE WITH THIS SAME COMPLAINT, WWW.CARCOMPLAINT.COM. I REALLY HOPE YOU CAN HELP RESOLVE THIS MATTER. WHAT SHOULD I DO NEXT? I GUESS JUST BE OUT $200 MORE WHEN I HAVE TO GO BACK TO THE DEALERSHIP....HOPE YOU CAN HELP. THANK YOU FOR YOUR TIME. *TR

NHTSA ODI #10256522

Mileage unknown · Dec 6, 2007
EquipmentLatches/locks/linkages

THE DRIVERS SIDE DOOR BEGAN MALFUNCTIONING, LOCKING AND UNLOCKING ITSELF. THIS CONTINUED UNTIL IT JUST LOCKED AND WILL NOT OPEN AT ALL. BOTH THE OUTSIDE AND INSIDE HANDLE HAVE JUST STOPPED WORKING AND I CAN'T GET OUT ON THE DRIVERS SIDE AT ALL. *TR

NHTSA ODI #10211011

Mileage unknown · Jul 19, 2005
Equipment

DRIVER SIDE DOOR WILL NOT OPEN. APPEARS TO BE STUCK IN THE LOCK POSITION. HAVE READ NUMEROUS WEBSITES THAT IT IS A DEFECTIVE SPRING FROM ACE LOCK CO.

NHTSA ODI #10129360

Mileage unknown · Jan 11, 2005
EquipmentFuel System, Gasoline

INTAKE MANIFOLD GASKET HAS FAILED ON TWO DIFFERENT OCCASIONS ON MY VEHICLE. THIS PART WAS REPLACED BECAUSE IT WAS LEAKING ON BOTH OCCASIONS. THIS LEAKAGE AND PROBLEM IS DANGEROUS TO THE VEHICLE AND THE OCCUPANTS OF THE VEHICLE. THIS IS PART OF THE FUEL SYSTEM AND SHOULD NOT BE TAKEN LIGHTLY.*AK

NHTSA ODI #10106143

78,000 miles · Nov 24, 2004
Equipment

CD'S GET VERY HOT. DISPLAY HAS FAILED. AM BAND IS ALL STATIC. *NM

NHTSA ODI #10100507

Mileage unknown · Nov 26, 2003
EquipmentLatches/locks/linkagesVehicle Speed Control

OVER THE LAST YEAR MY 1998 FORD EXPLORER 2 DOOR SPORT HAS BEEN LOOSING SOME INTERIOR ELECTRICAL FEATURES. THE FIRST WAS THE DISPLAY LIGHTS ON THE RADIO. THEY WOULD COME AND GO..... NOW THE DISPLAY IS TOTALLY GONE. HOWEVER THE RADIO, CD PLAYER AND TAPE DECK STILL WORK. I JUST CAN'T SEE WHAT TRACK, STATION, OR THE TIME. THEN…

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OVER THE LAST YEAR MY 1998 FORD EXPLORER 2 DOOR SPORT HAS BEEN LOOSING SOME INTERIOR ELECTRICAL FEATURES. THE FIRST WAS THE DISPLAY LIGHTS ON THE RADIO. THEY WOULD COME AND GO..... NOW THE DISPLAY IS TOTALLY GONE. HOWEVER THE RADIO, CD PLAYER AND TAPE DECK STILL WORK. I JUST CAN'T SEE WHAT TRACK, STATION, OR THE TIME. THEN THE NEXT ELECTRICAL PROBLEM WAS THE DRIVER SIDE POWER UNLOCK SWITCH. I CAN LOCK ALL THE DOORS BUT I CANNOT UNLOCK THE DOORS, NEXT THE LIGHTS WENT OUT ON THE LEFT SIDE OF MY DASH..... I CAN'T REMEMBER IF THIS WAS THE SAME TIME THE LIGHTS WENT OUT ON THE STEERING WHEEL CONTROLS (CRUISE CONTROL SETTINGS) OR IF THAT WENT OUT SEPARATELY. NOW........ I CANNOT UNLOCK THE DRIVER DOOR WITH A KEY. I CAN MOVE THE KEY AROUND AND UNLOCK THE OTHER DOORS BUT NOT THE DRIVER DOOR. I HAVE TO GO THROUGH THE PASSENGER SIDE AND YANK ON THE DRIVER HANDLE SEVERAL TIMES BEFORE THE DOOR WILL OPEN. THIS IS VERY INCONVENIENT. I PLAN ON TAKING THE VEHICLE TO THE DEALERSHIP FOR REPAIRS..... BUT I HAVE HEARD SEVERAL OTHER EXPLORER OWNERS HAVING THE SAME PROBLEMS...... SHOULD FORD REPAIR THIS AT THEIR COST? IT SEEMS TO ME THIS IS A FORD ISSUE AND NOT SOMETHING I HAVE DONE TO THE VEHICLE, ESPECIALLY IF OTHER OWNERS ARE HAVING THE SAME PROBLEM. SOUNDS LIKE SOMETHING IS DEFECTIVE IN THE ELECTRICAL HARNESS. *LA

NHTSA ODI #10047615

33,243 miles · Jun 23, 2003
Equipment

NOT A SAFETY ITEM. HOWEVER THERE IS A RADIO DISPLAY PROBLEM WITH THE FORD EXPLORER'S. I WAS TOLD BY THE DEALER THAT THE RADIO DISPLAY WAS A COMMON PROBLEM IN THE EXPLORER'S. THE COST TO REPAIR IS $275. IF THIS IS A COMMON PROBLEM, I WONDER WHY IT IS NOT A RECALL ITEM. I WONDER HOW MANY PEOPLE FORD HAS SCREWED OUT OF $275 FOR A P…

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NOT A SAFETY ITEM. HOWEVER THERE IS A RADIO DISPLAY PROBLEM WITH THE FORD EXPLORER'S. I WAS TOLD BY THE DEALER THAT THE RADIO DISPLAY WAS A COMMON PROBLEM IN THE EXPLORER'S. THE COST TO REPAIR IS $275. IF THIS IS A COMMON PROBLEM, I WONDER WHY IT IS NOT A RECALL ITEM. I WONDER HOW MANY PEOPLE FORD HAS SCREWED OUT OF $275 FOR A PROBLEM CAUSED BY THEIR FAULTY RADIOS AND NOT BY FAULT OF CONSUMERS. *NLM

NHTSA ODI #10023594

63,400 miles · Apr 17, 2003
EquipmentService Brakes, HydraulicVisibility

BLEND DOOR IN THE VENTILATION SYSTEM DOES NOT OPERATE. LEADS TO HEAT IN THE SUMMER AND DIFFICULITY DEFROSTING THE WINSHIELD IN THE WINTER. FROM WHAT I HAVE READ THIS IS A COMMON PROBLEM ON THE 1998 EXPLORERS. I ALSO HAD THE EVAPORATOR TANK REPLACED LAST YEAR. THIS IS A MANUFACTURING PROBLEM AND SHOULD BE RECALLED TO FIX. I ALSO…

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BLEND DOOR IN THE VENTILATION SYSTEM DOES NOT OPERATE. LEADS TO HEAT IN THE SUMMER AND DIFFICULITY DEFROSTING THE WINSHIELD IN THE WINTER. FROM WHAT I HAVE READ THIS IS A COMMON PROBLEM ON THE 1998 EXPLORERS. I ALSO HAD THE EVAPORATOR TANK REPLACED LAST YEAR. THIS IS A MANUFACTURING PROBLEM AND SHOULD BE RECALLED TO FIX. I ALSO HAD TWO SETS OF BRAKES AND ROTORS ON THIS VEHICLE AND THE RADIO STILL DOES'NT WORK RIGHT. *JB

NHTSA ODI #10014516

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.