IllustrationTHE SPARK PLUGS HAVE A TENDENCY TO BLOW OUT. AN EXPLOSION MAKES THE PLUG STRIP THE THREADS AND DO DAMAGE TO THE HEAD. THERE IS ALSO POTENTIAL FOR FIRE AS FUEL VAPOR IS THEN RELEASE DIRECTLY INTO THE ENGINE COMPARTMENT.
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 →How this year compares
Owner complaints by model year
Compare all Mustang years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
590–25K
825–50K
850–75K
575–100K
5100–150K
4150K+
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
What owners actually said
116 reportsTL* THE CONTACT OWNED A 2004 FORD MUSTANG. WHILE DRIVING APPROXIMATELY 15 MPH, A VEHICLE RAN A RED LIGHT AND CRASHED HEAD ON INTO THE CONTACT'S VEHICLE. THE CONTACT'S VEHICLE WAS TURNED SIDEWAYS AND CRASHED INTO A POLE. THE FRONTAL AIR BAGS FAILED TO DEPLOY. THE CONTACT WAS PINNED INSIDE THE VEHICLE. THE FIRE DEPARTMENT PRIED TH…
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TL* THE CONTACT OWNED A 2004 FORD MUSTANG. WHILE DRIVING APPROXIMATELY 15 MPH, A VEHICLE RAN A RED LIGHT AND CRASHED HEAD ON INTO THE CONTACT'S VEHICLE. THE CONTACT'S VEHICLE WAS TURNED SIDEWAYS AND CRASHED INTO A POLE. THE FRONTAL AIR BAGS FAILED TO DEPLOY. THE CONTACT WAS PINNED INSIDE THE VEHICLE. THE FIRE DEPARTMENT PRIED THE DOOR OPEN TO RESCUE THE CONTACT. THE CONTACT WAS TRANSPORTED IN AN AMBULANCE TO THE HOSPITAL, BUT NO INJURIES WERE REPORTED. A POLICE REPORT WAS FILED. THE CONTACT RECEIVED A RECALL NOTIFICATION FOR NHTSA CAMPAIGN NUMBER: 14V802000 (AIR BAGS) IN DECEMBER OF 2015. THE VEHICLE WAS DESTROYED AND TOWED. THE APPROXIMATE FAILURE MILEAGE WAS 105,000.
WE WERE IN AN ACCIDENT ON 2-28-2016 AND WAS HIT FROM THE SIDE AND PUSHED INTO A DITCH WHILE PASSING A FORD 250 HE TURNED INTO US WHILE DRIVING 50 MPH. THE AIRBAGS DID NOT GO OFF.
TL* THE CONTACT OWNS A 2004 FORD MUSTANG. THE CONTACT STATED THAT HEADLAMPS FAILED TO RESPOND INTERMITTENTLY. THE FAILURE RECURRED SEVERAL TIMES. THE VEHICLE WAS NOT TAKEN TO BE DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 110,000. THE VIN WAS NOT PROVIDED.
FOR AT LEAST 5 YEARS THE CONVERTIBLE TOP LEAKS WATER INTO THE BACK OF THE CAR WHEN THE TOP FOLDS DOWN INTO THE BACK OF THE CAR, THEN THIS WATER LEAKS ONTO THE BACK FLOOR BOARDS. AFRAID IT IS GOING TO ROT OUT THE FLOOR BOARDS. THIS NEEDS TO BE TAKEN CARE OF. I KNOW OF MANY FORD MUSTANGS THAT DO THIS.
PASSENGER SIDE FRONT SEAT BELT RETRACTS ONLY AND WILL NOT EXTEND, SO THEREFORE IS NON-FUNCTIONAL. THIS IS NOT A CASE OF TWISTED BELT, AS WE HAVE ACCESSED THE PART AND ENSURED "FLAT" WIND. MY SON JUST BOUGHT CAR. PRIOR OWNER SAYS IT NEVER WORKED FOR SEVERAL YEARS. DRIVER'S SIDE SEAT BELT IS ALSO BARELY FUNCTIONAL. BOTH P…
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PASSENGER SIDE FRONT SEAT BELT RETRACTS ONLY AND WILL NOT EXTEND, SO THEREFORE IS NON-FUNCTIONAL. THIS IS NOT A CASE OF TWISTED BELT, AS WE HAVE ACCESSED THE PART AND ENSURED "FLAT" WIND. MY SON JUST BOUGHT CAR. PRIOR OWNER SAYS IT NEVER WORKED FOR SEVERAL YEARS. DRIVER'S SIDE SEAT BELT IS ALSO BARELY FUNCTIONAL. BOTH PRESENT MAJOR SAFETY HAZARDS TO OCCUPANTS. LOOKING ON-LINE THIS SEEMS TO BE A WELL KNOWN PROBLEM WITH THE MANUFACTURER'S DESIGN WHICH SHOULD BE CORRECTED. *TR
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.
TL* THE CONTACT OWNS A 2004 FORD MUSTANG. THE CONTACT STATED THAT WHILE DRIVING, A LOUD NOISE WAS HEARD COMING FROM UNDER THE VEHICLE. THE CONTACT TOOK THE VEHICLE TO A REPAIR SHOP WHERE THEY ADVISED THAT THE AIR COMPRESSOR CONDENSATION DRIPPED ONTO THE EXHAUST PIPE AND THE EXHAUST PIPED NEEDED TO BE RE-WELDED. THE VEHICLE WAS …
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TL* THE CONTACT OWNS A 2004 FORD MUSTANG. THE CONTACT STATED THAT WHILE DRIVING, A LOUD NOISE WAS HEARD COMING FROM UNDER THE VEHICLE. THE CONTACT TOOK THE VEHICLE TO A REPAIR SHOP WHERE THEY ADVISED THAT THE AIR COMPRESSOR CONDENSATION DRIPPED ONTO THE EXHAUST PIPE AND THE EXHAUST PIPED NEEDED TO BE RE-WELDED. THE VEHICLE WAS REPAIRED. THE CONTACT NOTIFIED THE MANUFACTURER AND WAS ADVISED THAT THERE WERE NO RECALLS FOR THE VEHICLE OR THE FAILURE. THE FAILURE MILEAGE WAS 75,000.
TL* THE CONTACT OWNS A 2004 FORD MUSTANG. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS AND ENGAGING THE ACCELERATOR PEDAL, THE PEDAL WOULD BECOME STUCK. AS A RESULT, THERE WAS AN INCREASE IN ENGINE RPMS.THE CONTACT MENTIONED THAT SHE WOULD HAVE TO KICK AT THE PEDAL OR ENGAGE THE BRAKES IN ORDER TO RELEASE THE ACCELERA…
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TL* THE CONTACT OWNS A 2004 FORD MUSTANG. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS AND ENGAGING THE ACCELERATOR PEDAL, THE PEDAL WOULD BECOME STUCK. AS A RESULT, THERE WAS AN INCREASE IN ENGINE RPMS.THE CONTACT MENTIONED THAT SHE WOULD HAVE TO KICK AT THE PEDAL OR ENGAGE THE BRAKES IN ORDER TO RELEASE THE ACCELERATOR FROM BEING STUCK. THE VEHICLE WAS NOT TAKEN TO THE DEALER. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 65,000 AND THE CURRENT MILEAGE WAS 70,000. UPDATED 8/31/12 *CN UPDATED 09/10/12. *JB
TL* THE CONTACT OWNS A 2004 FORD MUSTANG. THE CONTACT HAS A COOPER MASTER-CRAFT SENSYS01 TIRE, SIZE 205/65R15, DOT #2402 THAT FAILED. WHILE DRIVING 70 MPH THE DRIVERS SIDE FRONT TIRE TREAD SEPARATED CAUSING DAMAGE TO THE WHEEL WELL, THE FRONT BUMPER AND LOOSENED THE ROCKER PANEL. THE VEHICLE MERGED ONTO THE EMERGENCY LANE IN ORD…
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TL* THE CONTACT OWNS A 2004 FORD MUSTANG. THE CONTACT HAS A COOPER MASTER-CRAFT SENSYS01 TIRE, SIZE 205/65R15, DOT #2402 THAT FAILED. WHILE DRIVING 70 MPH THE DRIVERS SIDE FRONT TIRE TREAD SEPARATED CAUSING DAMAGE TO THE WHEEL WELL, THE FRONT BUMPER AND LOOSENED THE ROCKER PANEL. THE VEHICLE MERGED ONTO THE EMERGENCY LANE IN ORDER FOR HIM TO INSTALL THE SPARE TIRE. THE DEALER NOR MANUFACTURER WERE NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 64,000.
Official recalls
106V108000 · 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
3DP05005 · 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.