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1999 Mercury Grand Marquis

Owner reports · Recalls · Investigations

More warning signs than most Grand Marquis years

Owner complaints for the 1999 Mercury Grand Marquis are substantially higher than the model-year median of 78.

About this comparison →

When problems were reported

Mileage at the reported incident

62 reports with mileage · 102 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.

  • Engine And Engine Cooling. Review the 26 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Exterior Lighting. Review the 20 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Suspension. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

17 crash reports2 fire reports9 injury reports

Service Brakes, Hydraulic complaints

8 reports
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Mileage unknown · May 5, 2012
Service Brakes, HydraulicCrash

I WAS COMING TO A STOP WHEN THE BRAKE PEDAL STARTED VIBRATING AND GOING LOWER AND LOWER TO THE FLOOR AND THE CAR DID NOT STOP RESULTING IN AN ACCIDENT. I WAS TOLD BY THE FORD MECHANIC THAT THE COMPUTER TESTS DID NOT SHOW ANY PROBLEM WITH THE ANTILOCK SYSTEM BUT I THINK THERE IS A PROBLEM WHEN YOU APPLY YOUR BRAKES AND THE CAR D…

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I WAS COMING TO A STOP WHEN THE BRAKE PEDAL STARTED VIBRATING AND GOING LOWER AND LOWER TO THE FLOOR AND THE CAR DID NOT STOP RESULTING IN AN ACCIDENT. I WAS TOLD BY THE FORD MECHANIC THAT THE COMPUTER TESTS DID NOT SHOW ANY PROBLEM WITH THE ANTILOCK SYSTEM BUT I THINK THERE IS A PROBLEM WHEN YOU APPLY YOUR BRAKES AND THE CAR DOES NOT STOP. I HAVE ALSO TALKED TO A NUMBER OF PEOPLE SOME OF THEM WHO WORK ON CARS ETC..AND FOUND OUT THAT THIS IS NOT AN UNCOMMON PROBLEM. FURTHERMORE, IT HAPPENS A LOT AND ON ALL TYPES OF VEHICLES WITH ANTILOCK SYSTEMS. I WAS TOLD THAT THIS CAN HAPPEN ON AND OFF WHICH IS WHY IT IS HARD TO DETECT. I WAS LUCKY IN THE FACT THAT I WAS GOING SLOW AND NOBODY WAS HURT, BUT WHAT IF THAT HAD BEEN A DIFFERENT ENDING AND IT HAD BEEN A SERIOUS ACCIDENT? I HAVE NEVER BEEN IN AN ACCIDENT BEFORE AND I RESENT THE FACT THAT I WAS NOT AT FAULT FOR THIS ONE, THE BRAKES DID NOT WORK!!!!! *TR

NHTSA ODI #10457575

42,016 miles · Aug 15, 2003
Service Brakes, Hydraulic

BRAKE PROBLEMS WITH THE 1999 MERCURY GRAND MARQUIS.*MR DEALER WAS NOTIFIED. *CB

NHTSA ODI #10034009

Mileage unknown · Sep 30, 2002
Service Brakes, Hydraulic

FRONT DISC BRAKES SQUEAKED AND SQUEALED EXCESSIVELY SINCE THE ORIGINAL PURCHASE OF THE VEHICLE. RETURNED VEHICLE SEVERAL TIMES TO DEALER TO CORRECT PROBLEM. DEALER REPLACED FRONT PADS AND TURNED ROTORS. REPLACEMENT PADS WERE FORD MOTORCRAFT PADS. BRAKING POWER WAS NOTICEABLY REDUCED IMMEDIATELY AFTER THE FORD MOTORCRAFT PADS…

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FRONT DISC BRAKES SQUEAKED AND SQUEALED EXCESSIVELY SINCE THE ORIGINAL PURCHASE OF THE VEHICLE. RETURNED VEHICLE SEVERAL TIMES TO DEALER TO CORRECT PROBLEM. DEALER REPLACED FRONT PADS AND TURNED ROTORS. REPLACEMENT PADS WERE FORD MOTORCRAFT PADS. BRAKING POWER WAS NOTICEABLY REDUCED IMMEDIATELY AFTER THE FORD MOTORCRAFT PADS WERE INSTALLED. AFTER ANOTHER TRIP TO THE DEALER, FORD OEM PADS WERE INSTALLED. BRAKING POWER WAS RESTORED TO NORMAL (ORIGINAL) LEVELS, AND THE SQUEAKING / SQUEALING WAS GONE. MY CONCERN IS THAT FORD MOTORCRAFT PARTS ARE NOT THE EQUIVALENT TO THE OEM PARTS, AND THAT DEALERS THROUGHOUT THE COUNTRY ARE BEING SHIPPED, AND INSTRUCTED TO USE FORD MOTORCRAFT DISC PADS WHICH CLEARLY ARE CREATING A DANGEROUS CONDITION. MR

NHTSA ODI #767898

Mileage unknown · Feb 28, 2001
Service Brakes, Hydraulic

CONSUMER STATES WHEN APPLYING BRAKES IN RAINY WEATHER, VEHICLE PULLS TO ONE SIDE OR THE OTHER, DEALER STATES THERE IS A DESIGN FLAW AND CAN NOT REMEDY THE PROBLEM. *SLC

NHTSA ODI #559964

Mileage unknown · Aug 7, 2000
Service Brakes, Hydraulic

UPON APPLYING BRAKES TO MAKE A GRAUDAL STOP VEHICLE PULLS TO THE LEFT, CAUSING POOR VEHICLE CONTROL, PROBLEM IS INTERMITTENT. CONSUMER HAS CONTACTED THE DEALER, DEALER HAS REPLACED THE BRAKE PADS AND ROTORS. HOWEVER, PROBELM STILL OCCURS. *AK

NHTSA ODI #866993

Mileage unknown · Aug 3, 2000
Service Brakes, HydraulicCrash

WHEN BRAKES WERE APPLIED PEDAL BECAME HARD, RESULTING IN EXTENDED STOPPING DISTANCE WHICH CAUSED A COLLISION. DEALER WAS INSPECTING VEHICLE. *AK

NHTSA ODI #866692

Mileage unknown · Apr 10, 2000
Air BagsPower TrainService Brakes, HydraulicCrashInjury

VEHICLE DOWNSHIFTED INTO PASSING GEAR WHILE DRIVING DOWN A HILL AND VEHICLE ACCELERATED. BRAKES DID NOT RESPONSE, CAUSING CONSUMER TO RUN INTO A BUS AND TELEPHONE POLE. ALSO, DUAL AIRBAGS DID NOT DEPLOY. BUT, COVER CAME OFF, RESULTING IN A BROKEN HIP AND PELVIS. PRIOR TO THIS ACCIDENT CONSUMER WAS COMPLAINING ABOUT TRANSMISSI…

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VEHICLE DOWNSHIFTED INTO PASSING GEAR WHILE DRIVING DOWN A HILL AND VEHICLE ACCELERATED. BRAKES DID NOT RESPONSE, CAUSING CONSUMER TO RUN INTO A BUS AND TELEPHONE POLE. ALSO, DUAL AIRBAGS DID NOT DEPLOY. BUT, COVER CAME OFF, RESULTING IN A BROKEN HIP AND PELVIS. PRIOR TO THIS ACCIDENT CONSUMER WAS COMPLAINING ABOUT TRANSMISSION. BUT, DEALER STATED IT WAS NOT IMPORTANT. *AK

NHTSA ODI #859937

Mileage unknown · Aug 19, 1999
Service Brakes, Hydraulic

BRAKES FAILED SEVERAL TIMES PRIOR TO REPLACEMENT, BRAKES CONTINUED TO FAILED DUE TO FAULTY BOOSTER. MJS

NHTSA ODI #548049

Official recalls

3

00V200000 · Equipment:mechanical:integrated Jack/leveler/stabilizer

Jul 18, 2000

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THESE VEHICLES HAVE JACKING INSTRUCTIONS WHICH, IF FOLLOWED, COULD CAUSE THE VEHICLE OPERATOR TO PLACE THE JACK ON A FRAME WELD WHEN ATTEMPTING TO RAISE A REAR WHEEL. IF THE VEHICLE IS JACKED UP WITH THE JACK PLACED ON THE FRAME WELD AND IF THE VEHICLE IS FREE TO ROLL (WHEELS NOT BLOCKED OR CHOCKED), THE JACK COULD YIELD AND THE VEHICLE MAY DROP SUDDENLY.

Consequence & remedy

Consequence: IF THIS OCCURS AND ANY PORTION OF THE OPERATOR'S BODY IS UNDER THE VEHICLE, THE POTENTIAL FOR PERSONAL INJURY EXISTS.

Remedy: OWNERS WILL BE PROVIDED WITH A REVISED JACK INSTRUCTION AND STOWAGE CARD AND JACK WARNING LABEL, AS WELL AS A SUPPLEMENT TO THE OWNER GUIDE.

00V157001 · Seat Belts:front:anchorage

Jun 12, 2000

VEHICLE DESCRIPTION: PASSENGER VEHICLES USING AFTERMARKET DRIVER'S SEAT BELT ASSEMBLIES THAT WERE SOLD BY FORD PARTS DEPARTMENTS FROM JANUARY 1, THROUGH JUNE 13, 2000. THESE SEAT BELT ASSEMBLIES FAIL TO COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 209, "SEAT BELT ASSEMBLIES." THE EQUIPMENT INVOLVED IS SERVICE STOCK SEAT BELT ASSEMBLIES, MODEL NOS. H 9977, H 9979, T 9063, AND T 9217, BUILT BY TRW VEHICLE SAFETY SYSTEMS, INC. (TRW) MANUFACTURED FROM JUNE 1, 1998 THROUGH MAY 21, 2000. SOME OF THESE SEAT BELT ASSEMBLIES MAY HAVE BEEN INSTALLED AS SERVICE REPLACEMENT EQUIPMENT ON THE VEHICLES INVOLVED IN THE RECALL.

Consequence & remedy

Consequence: IN THE EVENT OF A COLLISION, THESE SEAT BELTS MAY NOT RESTRAIN AN OCCUPANT INCREASING THE RISK OF INJURY.

Remedy: DEALERS WILL INSPECT THESE VEHICLES AND REPLACE THE SERVICE SEAT BELT ASSEMBLIES THAT WERE INSTALLED IN THESE VEHICLES FROM JANUARY 1 THROUGH JUNE 13, 2000.

00V157002 · Seat Belts:front:anchorage

Jun 12, 2000

VEHICLE DESCRIPTION: PASSENGER VEHICLES USING AFTERMARKET FRONT PASSENGER SIDE SEAT BELT ASSEMBLIES THAT WERE SOLD BY FORD PARTS DEPARTMENTS FROM JANUARY 1, THROUGH JUNE 13, 2000. THESE SEAT BELT ASSEMBLIES FAIL TO COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 209, "SEAT BELT ASSEMBLIES." THE EQUIPMENT INVOLVED IS SERVICE STOCK SEAT BELT ASSEMBLIES, MODEL NOS. H 9977, H 9979, T 9063, AND T 9217, BUILT BY TRW VEHICLE SAFETY SYSTEMS, INC. (TRW) MANUFACTURED FROM JUNE 1, 1998 THROUGH MAY 21, 2000. SOME OF THESE SEAT BELT ASSEMBLIES MAY HAVE BEEN INSTALLED AS SERVICE REPLACEMENT EQUIPMENT ON THE VEHICLES INVOLVED IN THE RECALL.

Consequence & remedy

Consequence: IN THE EVENT OF A COLLISION, THESE SEAT BELTS MAY NOT RESTRAIN AN OCCUPANT INCREASING THE RISK OF INJURY.

Remedy: DEALERS WILL INSPECT THESE VEHICLES AND REPLACE THE SERVICE SEAT BELT ASSEMBLIES THAT WERE INSTALLED IN THESE VEHICLES FROM JANUARY 1 THROUGH JUNE 13, 2000.

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

3

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.

DP02007 · FUEL-FED Fires

Opened Aug 22, 2002 · Closed Dec 4, 2002

Status: closed (inferred from source dates) · Vehicle Speed Control:linkages

THE FARS DATA SHOWS THAT THE RISK OF FIRE FROM IMPACT IN ALL DIRECTIONS IN THE SUBJECT VEHICLES IS THE SAME AS ALL OTHER SEDANS.THE SUBJECT VEHICLES ARE NOT OVER REPRESENTED WITH RESPECT TO THE RISK OF FIRE IN REAL-WORLD HIGH-ENERGY CRASHES.A FURTHER DISCUSSION OF ISSUES RELATED TO POST CRASH FIRES IN THE SUBJECT VEHICLES IS SET OUT IN THE CLOSING REPORT FOR SQ 01-014 AND THAT REPORT IS IN THE DOCKET FOR THIS PETITION.AFTER REVIEWING THE PETITION AND ITS SUPPORTING MATERIALS, AS WELL AS INFORMATION FURNISHED BY FORD AND GM, AND INFORMATION WITHIN THE AGENCY'S POSSESSION FROM PREVIOUS INVESTIGATIONS AND OTHER RELATED ACTIONS,NHTSA HAS CONCLUDED THAT FUTHER INVESTIGATION CONCERNING POST-CRASH FIRES IN THE SUBJECT VEHICLES IS NOT LIKELY TO LEAD TO A DECISION THAT THE VEHICLES CONTAIN A SAFETY DEFECT.

SQ01014 · Post Rear End Collision Fires

Opened Nov 27, 2001 · Closed Oct 3, 2002

Status: closed (inferred from source dates) · Fuel System, Gasoline:storage

There is no summary currently available