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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

Suspension complaints

18 reports
Clear category filter
200,000 miles · Mar 3, 2017
Suspension

TL* THE CONTACT OWNS A 1999 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE BALL JOINTS WERE REPLACED BUT THE BOLT THAT HELD IT IN PLACE WAS LOOSE AND CAUSED THE CARTER KEY TO FAIL TO HOLD THE BOLT IN PLACE. AS A RESULT, THE BOLT NECK DETACHED WHILE THE CONTACT WAS DRIVING APPROXIMATELY 20 MPH AND CAUSED THE VEHICLE TO STOP A…

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TL* THE CONTACT OWNS A 1999 MERCURY GRAND MARQUIS. THE CONTACT STATED THAT THE BALL JOINTS WERE REPLACED BUT THE BOLT THAT HELD IT IN PLACE WAS LOOSE AND CAUSED THE CARTER KEY TO FAIL TO HOLD THE BOLT IN PLACE. AS A RESULT, THE BOLT NECK DETACHED WHILE THE CONTACT WAS DRIVING APPROXIMATELY 20 MPH AND CAUSED THE VEHICLE TO STOP ABRUPTLY. AS A RESULT, THE CONTACT'S HEAD HIT THE STEERING WHEEL. THE CONTACT SUFFERED A WHIP LASH THAT REQUIRED A MEDICAL ATTENTION. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS REPAIRED BY THE CONTACT WHO WAS AN INDEPENDENT MECHANIC. THE FAILURE MILEAGE WAS APPROXIMATELY 200,000.

NHTSA ODI #10958417

Mileage unknown · May 14, 2002
Suspension

DEALERSHIP REPLACED PARTS UNDER WARRANTY W/ DEDUCTABLE. NO SAFETY DEFECT LISTED. *AK

NHTSA ODI #761868

Mileage unknown · Mar 23, 2002
Suspension

REAR END OF CAR SKIPS SIDEWAYS WHEN HOLE OR BUMP HIT OR UNEVEN ROAD AT FREEWAY SPEED, CAUSES GREAT CONCERN AS DRIVER REALLY DOES NOT HAVE CONTROL OF VEHICLE FOR THAT DURATION. POTENTIAL DANGER OF CONTACT WITH OTHER VEHICLES AT FREEWAY SPEEDS. *AK

NHTSA ODI #759717

Mileage unknown · Mar 29, 2001
Suspension

POOR FRONT END ALIGNMENT, VEHICLE STARTS TO GO FROM SIDE TO SIDE WHILE DRIVING. HAS NOT CONTACTED DEALER YET.*AK *SLC

NHTSA ODI #884553

Mileage unknown · Feb 26, 2001
Suspension

WHEN DRIVING ON WET PAVEMENT VEHICLE PULLS TO RIGHT OR LEFT, CAUSE UNKNOWN. DEALER HAS MADE SEVERAL ATTEMPTS TO CORRECT PROBLEM, BUT CANNOT IDENTIFY CAUSE. *AK

NHTSA ODI #881450

Mileage unknown · Dec 20, 2000
Electrical SystemInterior LightingPower Train

STEERING IS VERY HARD TO CONTROL, IT GOES WHERE BUMPS AND DIPS TAKE YOU. CAR WILL JUMP ALL OVER THE ROAD. STEERING HAS CONSTANT PULL TO LEFT WITH LOTS NOISE. ALSO STEEL TO STEEL SLAMMING NOISE. STEERING COLUM INSIDE CAR MOVES. DEALERS LOOK MAKE SOME ADJUSTMENTS,SAY FOUND NO PROBLEM. BUT PROBLEMS CONTINUE. I RETURNED FOR RE…

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STEERING IS VERY HARD TO CONTROL, IT GOES WHERE BUMPS AND DIPS TAKE YOU. CAR WILL JUMP ALL OVER THE ROAD. STEERING HAS CONSTANT PULL TO LEFT WITH LOTS NOISE. ALSO STEEL TO STEEL SLAMMING NOISE. STEERING COLUM INSIDE CAR MOVES. DEALERS LOOK MAKE SOME ADJUSTMENTS,SAY FOUND NO PROBLEM. BUT PROBLEMS CONTINUE. I RETURNED FOR REPEAT PREFORMANCE. VERY ROUGH RIDE FRONT AND REAR . ELECTRICAL PROBLEMS SURFACING, LIGHTS FLICKERING,DASH,DOME HEADLIGHTS ETC., ENGINE CUT OUT AS IF I TURNED IT OFF AND THEN CAME BACK ON EACH TIME IHAVE BEEN SITTING STILL, TALK ABOUT A DANGEROUS DRIVING SITUATION! AGAIN THE DEALER CHECKS IT OUT FINDS NO PROBLEM SAYS THEY CANT ALWAYS FIND A PROBLEM UNTIL IT HAPPENS AND THEY HAVE THE CAR WHEN THE PROBLEM OCCURS. ALOT OF GOOD THATS GOING TO DO DRIVING DOWN THE HIGHWAY AT 60MPH WITH 5 KIDS IN THE CAR!!! THE AIR CONDITIONING DOESN'T COOL WELL AT FIRST THEY SAID NO PROBLEM THE WEATHER GOT VERY HOT ,THEY SET AN APPOINTMENT. THEY FOUND LOW PRESSURE REPLACED LOW PRSSURE CLUTCH SWITCH. I TOOK THE CAR IN AGAIN FOR POOR FRONT END AND STEERING CONTROL NOW ADDING TO THE LIST ALOUD SLAMMING TOGETHER OF 2 PIECES OF STEEL COMING FROM THE LEFT FRONT TIRE AREA EITHER GOING OVER BUMPS OR DIPS I CAN'T TELL WHICH BECAUSE IT HAPPENS RANDOMLY. THE SOLUTION, THE DEALER CHECKS THE RIGHT SIDE! SO THE CAR GOES BACK AGAIN . *AK

NHTSA ODI #738031

Mileage unknown · Oct 10, 2000
SteeringSuspension

FRONT OUTER TIE ROD FROZE, CAUSING DRIVER TO LOSE CONTROL OF VEHICLE. DEALER INDICATED RODS WERE REPLACED AT OWNER'S EXPENSE.*AK THE STEERING WHEEL BECAME RUBBERY BEFORE THE TIE ROD FROZE, AND WAS HARD TO CONTROL. FOUR WEEKS LATER, THE LOWER BALL JOINTS FAILED. *YH

NHTSA ODI #872587

Mileage unknown · Aug 29, 2000
Suspension

CONSUMER WAS BACKING OUT OF DRIVEWAY AND LEFT CONTROL ARM BOLT BROKE IN HALF AND THERE WAS NO NUT. LEFT SIDE OF THE WHEEL COLLAPSED. VEHICLE WAS A RENTAL. CONSUMER TOOK VEHICLE TO THE DEALERSHIP, AND THEY TOLD HIM THAT THEY WERE NOT INTERESTED IN REPORTING THE PROBLEM TO FORD. *AK

NHTSA ODI #869066

Mileage unknown · Aug 8, 2000
Power TrainSeatsSuspension

CONSUMER WAS HAVING A BOUNCY & ROUGH RIDE. DEALER SAID IT COULD BE THE TRANSMISSION. ALSO, DRIVER'S SIDE SEAT RATTLES WHEN GETTING IN & OUT. DEALER HAS TIGHTENED THE BOLTS. SEAT IS LOOSE, AND IF IN AN ACCIDENT IT COULD BE A RISK. DEALER WAS REPLACING THE PARTS. *AK

NHTSA ODI #867189

Mileage unknown · Jul 2, 2000
Suspension

DRIVER MADE A NORMAL START FROM STOP SIGN, ON WET PAVEMENT, TO INTERSTATE ACCESS, CURVED RAMP. AT 30 MPH THE VEHICLE DID A 360 DEGREE CLOCKWISE ROTATION. *AK

NHTSA ODI #724854

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