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1999 Ford Mustang

Owner reports · Recalls · Investigations

More warning signs than most Mustang years

Owner complaints for the 1999 Ford Mustang are substantially higher than the model-year median of 81.

About this comparison →

When problems were reported

Mileage at the reported incident

Limited mileage data: 36 of 213 reports include usable mileage. There isn’t enough coverage to show a useful chart.

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.

  • Air Bags. Review the 32 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 31 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 25 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

50 crash reports2 fire reports17 injury reports

What owners actually said

213 reports
Mileage unknown · Jul 23, 2002
Power Train

WHILE DRIVING TRANSMISSION WOULD NOT SHIFT INTO HIGHER GEAR, AND THERE WAS A WHINING NOISE. CONSUMER SHIFTED TO NEUTRAL. THEN, TRIED TO SHIFT AGAIN. IT TOOK 30 MINUTES BEFORE CONSUMER WAS ABLE TO SHIFT INTO DRIVE. DEALER DETERMINED TRANSMISSION NEEDED TO BE REPLACED.*AK

NHTSA ODI #8014528

Mileage unknown · Jun 25, 2002
Power Train

TRANSMISSION IS MAKING A LOUD HUMMIMG NOISE WHILE DRIVING. DEALER CONTACTED. FEEL FREE TO PROVIDE ANY FURTHER INFORMATION.*AK

NHTSA ODI #8012552

Mileage unknown · Jun 10, 2002
Steering

PASSIVE ANTI-THEFT SYSTEM HAD TRANSCEIVER MALFUNCTION (BROKEN WIRES). *AK

NHTSA ODI #762903

Mileage unknown · May 30, 2002
Vehicle Speed Control

THIS VEHICLE WAS PURCHASED IN JULY 1999. THE VEHICLE WILL SUDDENLY ACCELERATE TO 40 MPH WITHOUT GIVING ANY GAS. THE VEHICLE HAS BEEN TAKEN TO THE DEALER PAUL CORNIES FORD RICHMOND ST. CHATHAM ONT. ON 6 OCCASIONS, EVERY 6 MONTHS FOR THIS PROBLEM. I FEEL COMPELLED TO MAKE YOUR AGENCY AWARE OF THE PROBLEM AS THIS SITUATION I…

Read full complaint

THIS VEHICLE WAS PURCHASED IN JULY 1999. THE VEHICLE WILL SUDDENLY ACCELERATE TO 40 MPH WITHOUT GIVING ANY GAS. THE VEHICLE HAS BEEN TAKEN TO THE DEALER PAUL CORNIES FORD RICHMOND ST. CHATHAM ONT. ON 6 OCCASIONS, EVERY 6 MONTHS FOR THIS PROBLEM. I FEEL COMPELLED TO MAKE YOUR AGENCY AWARE OF THE PROBLEM AS THIS SITUATION IS VERY UNSAFE . I MAY BE REACHED AT MY CANADIAN ADDRESS ROBERT WEBB 15 BRIARHILL RD. CHATHAM ONT. PHONE 1-519-3544974 EMAIL BOBWEBB1@HOTRMAIL.COM THANK YOU BOB WEBB. *AK

NHTSA ODI #762467

Mileage unknown · May 14, 2002
Vehicle Speed ControlCrashInjury

CONSUMER HAD AN ACCIDENT DUE TO A DEFECT WITH THE CRUISE CONTROL SPEED CABLE AS MENTIONED IN RECALL 99 V 062 001. THIS VEHICLE WAS NOT PART OF RECALL DUE TO VIN. *AK. CONSUMER STATES THE CRUISE CONTROL WAS SET AT 53 MPH, CONSUMER ATTEMPTED TO HIT THE BRAKES AFTER SEEING A VEHICLE STOPPED, BUT THE VEHICLE WOULD NOT SLOW DOWN, AND…

Read full complaint

CONSUMER HAD AN ACCIDENT DUE TO A DEFECT WITH THE CRUISE CONTROL SPEED CABLE AS MENTIONED IN RECALL 99 V 062 001. THIS VEHICLE WAS NOT PART OF RECALL DUE TO VIN. *AK. CONSUMER STATES THE CRUISE CONTROL WAS SET AT 53 MPH, CONSUMER ATTEMPTED TO HIT THE BRAKES AFTER SEEING A VEHICLE STOPPED, BUT THE VEHICLE WOULD NOT SLOW DOWN, AND CONSUMER HIT THE OTHER VEHICLE, CONSUMER SUFFERED NECK INJURIES.*JB

NHTSA ODI #8009866

Mileage unknown · May 8, 2002
SteeringCrash

FRONT END OF VEHICLE WAS BACKED INTO, DAMAGE WAS $ 1100.00. A COUPLE OF DAYS LATER, DRIVER'S SEATBACK FELL BACK.*AK

NHTSA ODI #8009426

Mileage unknown · Apr 21, 2002
Exterior Lighting

THE HEADLIGHTS WORK FINE, BUT WHAT I'VE NOTICE ALONG WITH MY MUSTANG MY, MOTHER'S FORD TAURUS AS WELL, THE HOUSING FOR THE HEADLIGHTS APPERAS TO BE EXTREMELY PITTED MAKING IT DIFFICULT TO SEE OUT OF THEM AT NIGHT. I'VE TRIED TO USE A PLASTIC CLEANING SOLUTION FOR THEM, ONE FROM 3M SEEMED TO HELP CLEAN THE HEADLAMPS GREATLY AND …

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THE HEADLIGHTS WORK FINE, BUT WHAT I'VE NOTICE ALONG WITH MY MUSTANG MY, MOTHER'S FORD TAURUS AS WELL, THE HOUSING FOR THE HEADLIGHTS APPERAS TO BE EXTREMELY PITTED MAKING IT DIFFICULT TO SEE OUT OF THEM AT NIGHT. I'VE TRIED TO USE A PLASTIC CLEANING SOLUTION FOR THEM, ONE FROM 3M SEEMED TO HELP CLEAN THE HEADLAMPS GREATLY AND IMPROVED THE CONDITIONS SOME, BUT I'VE NOTICE THAT THE HEADLIGHTS ARE GETTING EXPOTENTIALY WORSE. I AM GOING TO GO SPEAK WITH FORD DURRING THE WEEK AND LOOK AT OTHER HEADLAMPS ON THE NEW MUSTANGS. BUT I AM MAINLY CURIOUSE AS TO WEATHER OR NOT OTHER DRIVERS HAVE REPORTED THAT THEIR HEADLAMPS LOOK LIKE THE HAVE A FILM ON THEM OR ARE PITTED MAKING IT DIFFICULT TO SEE OUT OF. (I USE A CERTIFIED CAR CLEANING SOLUTION TO WASH THE VEHICLES. IT'S MADE BY TUTLE WAX AND IS SUPPOSED TO BE SAFE FOR ALL FINISHES)

NHTSA ODI #760988

Mileage unknown · Apr 1, 2002
Fuel System, GasolineParking BrakePower Train

PRIOR TO RECALL 00V349, VEHICLE CRASHED TWICE, ROLLING OUT OF CONSUMERS DRIVEWAY, AFTER RECALL WAS ANNOUNCED, INCIDENT HAPPENED ON TWO MORE OCCASIONS. *SLC

NHTSA ODI #564838

Mileage unknown · Mar 12, 2002
Air BagsCrash

WHILE TRAVELING ON HIGHWAY WITHOUT PRIOR WARNING A DEER RAN IN FRONT OF THE VEHICLE. CONSUMERAPPLIED BRAKES AND VEHICLE SLIPPED ON THE ROCK AND HIT AN ENBANKMENT. DUAL AIRBAGS DIDN'T GO OFF. *AK

NHTSA ODI #8005517

Mileage unknown · Jan 30, 2002
Service Brakes, HydraulicVehicle Speed Control

WHILE DRIVING VEHICLE UNEXPECTEDLY ACCELERATES TO VERY HIGH RPMS WITHOUT WARNING, CAUSING LOSS OF VEHICLE CONTROL. ALSO, BRAKES FAIL TO STOP VEHICLE, EVEN WHEN BRAKE PEDAL IS FORCED DOWN, CAUSE UNKNOWN. PLEASE GIVE ANY FURTHER DETAILS.*AK

NHTSA ODI #8003207

Official recalls

3

00V349000 · Parking Brake:conventional

Oct 30, 2000

VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH MANUAL TRANSMISSIONS. IF A VEHICLE IS PARKED WITH THE PARKING BRAKE NOT FULLY APPLIED AND NOT IN FIRST GEAR, AS DIRECTED IN THE OWNER GUIDE, AND THE SELF ADJUSTMENT PAWL SUBSEQUENTLY SKIPS ONE OR TWO TEETH, THE VEHICLE COULD MOVE ON SOME GRADES.

Consequence & remedy

Consequence: THIS COULD RESULT IN UNINTENDED VEHICLE MOVEMENT AND A VEHICLE CRASH WITHOUT PRIOR WARNING.

Remedy: DEALERS WILL MODIFY THE PARKING BRAKE CONTROL AND INSTALL A PLATE OR OVER-BRACKET TO THE CONTROL TO LOCK THE SELF ADJUST MECHANISM IN POSITION FOLLOWING ADJUSTMENT.

99V250000 · Seat Belts:front:anchorage

Sep 20, 1999

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE SEAT BELT RETRACTOR MAY HAVE A PIN SHAFT IN THE SWITCHABLE ELR/ALR MECHANISM THAT IS INCORRECTLY FORMED. IN SOME CIRCUMSTANCES, THE SWITCHING MECHANISM COULD BECOME NONFUNCTIONAL, PREVENTING THE SEAT BELT WEBBING FROM BEING EXTRACTED FROM THE RETRACTOR. IT IS ALSO POSSIBLE THAT MALFUNCTION OF THE MECHANISM COULD PREVENT THE BELT FROM BEING SWITCHED INTO THE ALR MODE. THE ELR MECHANISM IS NOT AFFECTED BY THIS CONDITION.

Consequence & remedy

Consequence: IF THE MECHANISM MALFUNCTIONS AND DOES NOT ALLOW THE WEBBING TO BE EXTRACTED, THE LAP AND SHOULDER BELT COULD NOT BE WORN BY A VEHICLE OCCUPANT. IN THE EVENT THAT THE MECHANISM DOES NOT ALLOW THE ALR MODE TO BE ENGAGED, THE OPERATOR MAY BE UNABLE TO PROPERLY INSTALL A CHILD SEAT IN THAT SEATING POSITION.

Remedy: DEALERS WILL INSPECT THE LAP AND SHOULDER BELT ASSEMBLIES. ASSEMBLIES WITH JULIAN DATE CODES OF 200 THROUGH 223 ARE SUSPECT AND WILL BE REPLACED.

99V062001 · Vehicle Speed Control

Mar 30, 1999

VEHICLE DESCRIPTION: CERTAIN 1997-1999 RHD EXPLORER EQUIPPED WITH 4.0L OHV/SOHC ENGINES AND CRUISE CONTROL BUILT FROM MAY 29, 1996 THROUGH MARCH 4, 1999; 1998-1999 EXPLORER/MOUNTAINEERS EQUIPPED WITH 4.0L OHV/SOHC OR 5.0L ENGINES OR 1998-1999 RANGERS EQUIPPED WITH 2.5L, 3.0L FFV/EFI OR 4.0L ENGINES AND CRUISE CONTROL BUILT FROM JANUARY 5, 1998 THROUGH MARCH 4, 1999; 1998-1999 MUSTANGS EQUIPPED WITH 3.8L, 4.6L 2-VALVE OR 4-VALVE ENGINES AND CRUISE CONTROL BUILT FROM MARCH 2, 1998 THROUGH MARCH 4, 1999; 1999 F250/F350/F450/F550 (OVER 8,500 LBS.) TRUCKS EQUIPPED WITH 5.4L OR 6.8L ENGINES AND CRUISE CONTROL BUILT FROM MARCH 2, 1998 THROUGH MARCH 4, 1999; AND 1999 F-53 STRIPPED CHASSIS EQUIPPED WITH 5.4L OR 6.8L ENGINES AND CRUISE CONTROL BUILT FROM MARCH 2, 1998 THROUGH MARCH 4, 1999. A CRUISE CONTROL CABLE CAN INTERFERE WITH THE SPEED CONTROL SERVO PULLEY AND NOT ALLOW THE THROTTLE TO RETURN TO IDLE WHEN DISENGAGING THE CRUISE CONTROL.

Consequence & remedy

Consequence: IF THE CRUISE CONTROL IS USED AND THIS CONDITION IS PRESENT, A STUCK THROTTLE COULD RESULT, WHICH COULD POTENTIALLY RESULT IN A CRASH.

Remedy: DEALERS WILL REPLACE THE CRUISE CONTROL CABLES. AT THE PRESENT TIME, THE REPLACEMENT CABLES ARE NOT AVAILABLE. CUSTOMERS ARE BEING ADVISED NOT TO USE THE CRUISE CONTROL SYSTEM UNTIL A REPLACEMENT CAN BE MADE.

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.