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2004 Ford Mustang

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2004 Ford Mustang do not stand out strongly from the model-year median of 81.

About this comparison →

When problems were reported

Mileage at the reported incident

89 reports with mileage · 27 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.

  • Vehicle Speed Control. Review the 33 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 9 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

20 crash reports0 fire reports8 injury reports

Electrical System complaints

3 reports
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Mileage unknown · Sep 28, 2012
Electrical System

TL* THE CONTACT OWNS A 2004 FORD MUSTANG. THE CONTACT STATED THAT THE VEHICLE WOULD NOT START. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE FAILURE COULD NOT BE REPLICATED HOWEVER, THE DEALER MADE REPAIRS TO THE VEHICLE. THE CONTACT WAS UNSURE OF WHAT REPAIRS WERE PERFORMED. THE FAILURE RECURRED SEVERAL TIMES AFTER THE REPAIRS…

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TL* THE CONTACT OWNS A 2004 FORD MUSTANG. THE CONTACT STATED THAT THE VEHICLE WOULD NOT START. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE FAILURE COULD NOT BE REPLICATED HOWEVER, THE DEALER MADE REPAIRS TO THE VEHICLE. THE CONTACT WAS UNSURE OF WHAT REPAIRS WERE PERFORMED. THE FAILURE RECURRED SEVERAL TIMES AFTER THE REPAIRS WERE COMPLETED. THE MANUFACTURER WAS CONTACTED. THE FAILURE AND THE CURRENT MILEAGES WERE UNAVAILABLE.

NHTSA ODI #10477368

107,000 miles · Jun 27, 2009
Electrical System

A FEW WEEKS AGO, I HAD TO DRIVE ACROSS TOWN TO PICK UP MY SISTER FROM WORK (IRONICALLY, SHE WAS HAVING A CAR PROBLEM.) I STOPPED FOR AN ACCIDENT, AND I NOTICED THE HEADLIGHTS GETTING DIMMER AND DIMMER. I LOOKED AT THE BATTERY GAUGE AND SAW THAT THE CAR WAS DYING. SINCE I WAS IN THE MIDDLE LANE, I KIND OF OF PANICKED AND SHUT THE…

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A FEW WEEKS AGO, I HAD TO DRIVE ACROSS TOWN TO PICK UP MY SISTER FROM WORK (IRONICALLY, SHE WAS HAVING A CAR PROBLEM.) I STOPPED FOR AN ACCIDENT, AND I NOTICED THE HEADLIGHTS GETTING DIMMER AND DIMMER. I LOOKED AT THE BATTERY GAUGE AND SAW THAT THE CAR WAS DYING. SINCE I WAS IN THE MIDDLE LANE, I KIND OF OF PANICKED AND SHUT THE CAR OFF, FIGURING I COULD LET IT SIT WITHOUT RUNNING FOR A COUPLE OF MINUTES TO GIVE IT A CHANCE TO GET IT'S ACT TOGETHER. WHEN I SAW THE TRAFFIC BEGIN TO INCH FORWARD I TRIED TO TURN THE CAR BACK ON, BUT IT WOULDN'T BUDGE. I DIDN'T EVEN HEAR THE STARTER TURN. IT WAS COMPLETELY DEAD! I PUT ON MY BLINKERS, AND THOSE FIZZLED OUT WITHIN MINUTES, TOO. SO I WAS, STUCK ON THE MIDDLE LANE OF THE HIGHWAY WITH A DEAD BATTERY. I TRIED TO GET SOMEONE'S ATTENTION FOR HELP BUT PEOPLE JUST STARED AND INCHED FORWARD WITH THE REST OF THE TRAFFIC. THE RIGHT LANE AND MY LANE STARTED MOVING AT REGULAR SPEED SO NOW THERE WERE CARS AND SEMIS WHIZZING BEHIND AND PAST ME. FINALLY SOME GUY STEPPED OUT AND HELPED ME PUSH MY CAR TO THE EDGE OF THE ROAD. HE TRIED TO JUMP IT BUT IT STILL WOULDN'T START. A COP PULLED UP AND HELPED ME JUMP THE CAR WITH SOME HEAVY DUTY CABLES. THIS WAS WEEKS AGO AND THE CAR HAS BEEN FINE SINCE. I HAD THE ALTERNATOR, BATTERY AND EVERYTHING ELSE CHECKED AT THE SHOP RIGHT AWAY AND NOTHING WAS WRONG. I'VE ALREADY HAD MY ALTERNATOR REPLACED TWICE SINCE I BOUGHT THE CAR TWO YEARS AGO, THE LAST TIME BEING IN FEBRUARY. SO IT JUST GIVES OUT WHEN IT FEELS LIKE IT. I EVEN HAD THE BELT REPLACED A FEW MONTHS AGO, SO THAT'S NEW TOO. IT'S DOES THIS PERIODICALLY AND ONLY WHEN I'M DRIVING, AND NOBODY CAN FIGURE OUT WHY. *TR

NHTSA ODI #10275107

15,000 miles · Apr 12, 2005
Electrical SystemPower Train

I HAVE MANUAL TRANSMISSION. WHEN YOU PUT IT IN REVERSE IT WOULD NOT GO BACKWARD. I TOOK IT TO THE DEALER, WHEN I GOT THE CAR BACK, SECOND GEAR GRINDED VERY BADLY. I DID NOT HAVE THIS PROBLEM WHEN I INITIALLY TOOK THE CAR IN. THEY KEPT TELLING ME TO DRIVE THE CAR AND IT WOULD WORK, IT WAY OUT. IT DID NOT WORK ITS WAY OUT, AND …

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I HAVE MANUAL TRANSMISSION. WHEN YOU PUT IT IN REVERSE IT WOULD NOT GO BACKWARD. I TOOK IT TO THE DEALER, WHEN I GOT THE CAR BACK, SECOND GEAR GRINDED VERY BADLY. I DID NOT HAVE THIS PROBLEM WHEN I INITIALLY TOOK THE CAR IN. THEY KEPT TELLING ME TO DRIVE THE CAR AND IT WOULD WORK, IT WAY OUT. IT DID NOT WORK ITS WAY OUT, AND I TOOK IT BACK IN FOR REPAIRS. THEY HAD THE CAR 9 DAYS. AFTER I PICKED THE CAR UP, A FEW DAYS LATER I REALIZED THE REVERSE LIGHTS WERE NOT WORKING, I TOOK IT BACK TO THE DEALER AND THEY SAID IT WAS A FUSE . A FEW WEEKS LATER I REALIZED IT WAS OUT AGAIN, THEY AGAIN SAID IT WAS A FUSE, AND THEY SAID IT WAS NOT WORKING BECAUSE OF MY AFTERMARKET RADIO. I DECIDED TO JUST DROP THE CAR OFF IN THE DEALERS AFTER HOUR DROP BOX TO MAKE THEM LOOK AT IT BECAUSE OF THE REVERSE LIGHTS NOT WORKING. IT TURNS OUT THE CIRCUIT BREAKER AND SWITCH WERE BROKEN AND HAD TO BE REPLACED. I JUST RECEIVED THE CAR BACK TODAY AND NOW THE "CHECK ENGINE" LIGHT IS ON. I NOTICED THIS BEFORE I EVEN GOT OUT OF THE DEALER'S LOT. THE CHECK ENGINE LIGHT WAS NOT ON WHEN I TURNED THE CAR IN. I TURNED THE CAR AROUND AND THE DEALER TOLD ME THEY WERE TO BUSY AND COULD NOT TAKE THE CAR BACK SO I DO NOT KNOW WHY THE CHECK ENGINE LIGHT IS ON. ALL OF THESE COMPLAINTS ARE IN REGARDS TO THE TRANSMISSION. I HAVE NO IDEA WHAT THE CHECK ENGINE LIGHT IS FROM BECAUSE THEY WILL NOT TAKE THE CAR IN UNTIL SUNDAY. *AK

NHTSA ODI #10116832

Official recalls

1

06V108000 · Vehicle Speed Control:accelerator Pedal

Apr 7, 2006

ON CERTAIN MUSTANG COBRA PASSENGER VEHICLES, THE REAR SURFACE OF THE ACCELERATOR PEDAL MAY COME INTO CONTACT WITH FLOOR CARPETING DURING HEAVY THROTTLE APPLICATION. THE UNIQUE SURFACE PROFILE OF THE ACCELERATOR PEDAL MAY CATCH IN THE CUTOUT ON THE FLOOR CARPETING BEHIND THE ACCELERATOR PEDAL.

Consequence & remedy

Consequence: THIS COULD INTERFERE WITH THE PEDAL'S ABILITY TO RETURN TO AN IDLE POSITION. UNEXPECTED, CONTINUED THROTTLE APPLICATION AND/OR INCREASED STOPPING DISTANCES MAY OCCUR WHICH COULD RESULT IN A CRASH.

Remedy: DEALERS WILL INSTALL A SHIELD OVER THE CUTOUT IN THE CARPET BEHIND THE ACCELERATOR PEDAL. THE RECALL BEGAN ON APRIL 26, 2006. OWNERS MAY CONTACT FORD AT 1-800-392-3673.

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.

EA05014 · Accelerator Pedal Interference

Opened Sep 13, 2005 · Closed Apr 10, 2006

Status: closed (inferred from source dates) · Vehicle Speed Control; Vehicle Speed Control:accelerator Pedal

ON APRIL 3, 2006, FORD MOTOR COMPANY SUBMITTED A DEFECT INFORMATION REPORT TO NHTSA CONCERNING A DEFECT CONDITION THAT COULD RESULT IN INTERFERENCE BETWEEN THE ACCELERATOR PEDAL AND FLOOR CARPETING IN APPROXIMATELY 19,140 MODEL YEAR 2003 AND 2004 MUSTANG COBRA VEHICLES (FORD RECALL NO. 06S43/NHTSA RECALL 06V-108, COPY ATTACHED).FORD WILL RECALL THE VEHICLES TO INSTALL A SHIELD BENEATH THE ACCELERATOR PEDAL TO PREVENT THE PIVOT PIN ON THE REAR SURFACE OF THE PEDAL FROM COMING INTO CONTACT WITH THE FLOOR CARPETING DURING HEAVY THROTTLE APPLICATION.IN THOSE VEHICLES WHERE THE FLOOR CARPETING DOES NOT FIT FLUSH WITH THE SHEET METAL, THE UNIQUE REAR SURFACE PROFILE OF THE MUSTANG COBRA PEDAL MAY ALLOW THE PIVOT PIN OF THE PEDAL TO CATCH IN THE CUTOUT ON THE FLOOR CARPETING BEHIND THE PEDAL, INTERFERING WITH THE PEDAL'S ABILITY TO RETURN; THE RESULT OF WHICH COULD BE UNEXPECTED, CONTINUED THROTTLE APPLICATION.DURING THE ENGINEERING ANALYSIS STAGE OF THE INVESTIGATION, ODI ALSO EXAMINED THE POSSIBLITY OF THE SAME PHENOMENA OCCURING IN NON-COBRA MUSTANGS.HOWEVER, THE DIFFERENT DESIGN OF THE ACCELERATOR PEDALS ON THE NON-COBRA MUSTANGS RESULTS IN SIGNIFICANT DIFFERENCES IN THE POTENTIAL CONTACT BETWEEN THE ACCELERATOR PEDAL AND THE CARPETING, WITH THE BASE OF THE PEDAL PAD ACTING TO FORCE THE CARPET AWAY FROM THE PIVOT PIN.THIS ENGINEERING ANALYSIS HAS BEEN CLOSED.

Additional source detail variants (2)

Vehicle Speed Control:accelerator Pedal

ON APRIL 3, 2006, FORD MOTOR COMPANY SUBMITTED A DEFECT INFORMATION REPORT TO NHTSA CONCERNING A DEFECT CONDITION THAT COULD RESULT IN INTERFERENCE BETWEEN THE ACCELERATOR PEDAL AND FLOOR CARPETING IN APPROXIMATELY 19,140 MODEL YEAR 2003 AND 2004 MUSTANG COBRA VEHICLES (FORD RECALL NO. 06S43/NHTSA RECALL 06V-108, COPY ATTACHED).FORD WILL RECALL THE VEHICLES TO INSTALL A SHIELD BENEATH THE ACCELERATOR PEDAL TO PREVENT THE PIVOT PIN ON THE REAR SURFACE OF THE PEDAL FROM COMING INTO CONTACT WITH THE FLOOR CARPETING DURING HEAVY THROTTLE APPLICATION.IN THOSE VEHICLES WHERE THE FLOOR CARPETING DOES NOT FIT FLUSH WITH THE SHEET METAL, THE UNIQUE REAR SURFACE PROFILE OF THE MUSTANG COBRA PEDAL MAY ALLOW THE PIVOT PIN OF THE PEDAL TO CATCH IN THE CUTOUT ON THE FLOOR CARPETING BEHIND THE PEDAL, INTERFERING WITH THE PEDAL'S ABILITY TO RETURN; THE RESULT OF WHICH COULD BE UNEXPECTED, CONTINUED THROTTLE APPLICATION.DURING THE ENGINEERING ANALYSIS STAGE OF THE INVESTIGATION, ODI ALSO EXAMINED THE POSSIBLITY OF THE SAME PHENOMENA OCCURING IN NON-COBRA MUSTANGS.HOWEVER, THE DIFFERENT DESIGN OF THE ACCELERATOR PEDALS ON THE NON-COBRA MUSTANGS RESULTS IN SIGNIFICANT DIFFERENCES IN THE POTENTIAL CONTACT BETWEEN THE ACCELERATOR PEDAL AND THE CARPETING, WITH THE BASE OF THE PEDAL PAD ACTING TO FORCE THE CARPET AWAY FROM THE PIVOT PIN.THIS ENGINEERING ANALYSIS HAS BEEN CLOSED.

Vehicle Speed Control

ON APRIL 3, 2006, FORD MOTOR COMPANY SUBMITTED A DEFECT INFORMATION REPORT TO NHTSA CONCERNING A DEFECT CONDITION THAT COULD RESULT IN INTERFERENCE BETWEEN THE ACCELERATOR PEDAL AND FLOOR CARPETING IN APPROXIMATELY 19,140 MODEL YEAR 2003 AND 2004 MUSTANG COBRA VEHICLES (FORD RECALL NO. 06S43/NHTSA RECALL 06V-108, COPY ATTACHED).FORD WILL RECALL THE VEHICLES TO INSTALL A SHIELD BENEATH THE ACCELERATOR PEDAL TO PREVENT THE PIVOT PIN ON THE REAR SURFACE OF THE PEDAL FROM COMING INTO CONTACT WITH THE FLOOR CARPETING DURING HEAVY THROTTLE APPLICATION.IN THOSE VEHICLES WHERE THE FLOOR CARPETING DOES NOT FIT FLUSH WITH THE SHEET METAL, THE UNIQUE REAR SURFACE PROFILE OF THE MUSTANG COBRA PEDAL MAY ALLOW THE PIVOT PIN OF THE PEDAL TO CATCH IN THE CUTOUT ON THE FLOOR CARPETING BEHIND THE PEDAL, INTERFERING WITH THE PEDAL'S ABILITY TO RETURN; THE RESULT OF WHICH COULD BE UNEXPECTED, CONTINUED THROTTLE APPLICATION.DURING THE ENGINEERING ANALYSIS STAGE OF THE INVESTIGATION, ODI ALSO EXAMINED THE POSSIBLITY OF THE SAME PHENOMENA OCCURING IN NON-COBRA MUSTANGS.HOWEVER, THE DIFFERENT DESIGN OF THE ACCELERATOR PEDALS ON THE NON-COBRA MUSTANGS RESULTS IN SIGNIFICANT DIFFERENCES IN THE POTENTIAL CONTACT BETWEEN THE ACCELERATOR PEDAL AND THE CARPETING, WITH THE BASE OF THE PEDAL PAD ACTING TO FORCE THE CARPET AWAY FROM THE PIVOT PIN.THIS ENGINEERING ANALYSIS HAS BEEN CLOSED.

PE05038 · Accelerator Pedal Interference

Opened Jul 7, 2005 · Closed Sep 13, 2005

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

PE05-038 WAS OPENED ON JULY 7, 2005, WITH 11 CONSUMER COMPLAINTS TO ODI ALLEGING INCIDENTS OF THROTTLE STICKING DUE TO ACCELERATOR PEDAL INTERFERENCE WITH THE CARPET.ODI HAS RECEIVED AN ADDITIONAL 24 COMPLAINTS SINCE THE PE WAS OPENED.DURING PE05-038, FORD SUPPLIED COMPLAINT AND WARRANTY INFORMATION REGARDING 86 ADDITIONAL INCIDENTS OF ACCELERATOR PEDAL INTERFERENCE IN MODEL YEAR 2003 TO 2004 MUSTANG COBRA VEHICLES.EIGHTY-FIVE OF THESE HAD CONCERNS OF ACCELERATOR PEDAL STICKING, 70 OF WHICH WERE ANALYZED AS BEING RELATED TO CARPET INTERFERENCE.ODI IS CONTINUING ITS ANALYSIS OF THE CAUSAL FACTORS IN THE REMAINING 15 INCIDENTS.THIS PRELIMINARY EVALUATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS.