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2003 Mercury Mountaineer

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2003 Mercury Mountaineer do not stand out strongly from the model-year median of 117.

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When problems were reported

Mileage at the reported incident

117 reports with mileage · 35 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.

  • Structure. Review the 59 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 42 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

6 crash reports5 fire reports9 injury reports

Electrical System complaints

11 reports
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92,123 miles · Aug 7, 2013
Electrical SystemStructure

I'VE BEEN REVIEW THIS SITE AND SEE WHERE SEVERAL PEOPLE ARE EXPERIENCING THE SAME ISSUES THAT I AM HAVING WITH MY 2003 MOUNTAINEER. THE REAR GATE IS CRACKING AROUND THE EMBLEM. I'VE HAVE REPORTED THIS TO FORD AND THEY TELL ME I CAN PAY TO FIX IT AND IF THERE IS RECALL THEY WILL REIMBURSE ME. IN ADDITION I AM ALSO EXPERIENCING…

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I'VE BEEN REVIEW THIS SITE AND SEE WHERE SEVERAL PEOPLE ARE EXPERIENCING THE SAME ISSUES THAT I AM HAVING WITH MY 2003 MOUNTAINEER. THE REAR GATE IS CRACKING AROUND THE EMBLEM. I'VE HAVE REPORTED THIS TO FORD AND THEY TELL ME I CAN PAY TO FIX IT AND IF THERE IS RECALL THEY WILL REIMBURSE ME. IN ADDITION I AM ALSO EXPERIENCING THE DOOR AJAR LIGHT COMING ON WHEN ALL ARE SHUT AND SECURE. I HAVE CONTACT FORD AND SEVERAL LOCAL DEALERSHIPS. THE DEALERSHIP ALL TELL ME THEIR HANDS ARE TIED UNTIL FORD MAKES A DECISION AND THAT I AM NOT ALONE. FORD REFUSES TO DO ANYTHING. IT'S ALMOST LIKE THEY DON'T CARE. WITH ALL THESE COMPLAINTS WHY ISN'T THIS AGENCY DOING SOMETHING? *TR

NHTSA ODI #10534061

Mileage unknown · Jun 13, 2012
Electrical SystemPower TrainStructure

FORD HAS A TSB ON THEIR WEBSITE FOR THE PROBLEMS I AM HAVING WITH MY VEHICLE. I CONTACTED TYEM AND I WAS TOLD THAT I HAVE TO PAY FOR THE REPAIRS. WHAT I DO NOT UNDERSTAND IS IF THERE ARE SOOO MANY COMPLAINT FROM CONSUMERS ON THIS VEHICLE FOR THE SAME ISSUES IS THAT NOT THE RESPONSIBILITY OF THE MANUFACTURE BEING IT CONSIDERED …

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FORD HAS A TSB ON THEIR WEBSITE FOR THE PROBLEMS I AM HAVING WITH MY VEHICLE. I CONTACTED TYEM AND I WAS TOLD THAT I HAVE TO PAY FOR THE REPAIRS. WHAT I DO NOT UNDERSTAND IS IF THERE ARE SOOO MANY COMPLAINT FROM CONSUMERS ON THIS VEHICLE FOR THE SAME ISSUES IS THAT NOT THE RESPONSIBILITY OF THE MANUFACTURE BEING IT CONSIDERED A DEFECTIVE PRODUCT? I HAVE TO CHILDREN AND THIS IS OF EXTREME CONCERN TO ME THAT THESE ISSUES ON MY CAR CAN CAUSE AN ACCIDENT. -BACK TRUNK DOOR IS CRACKED DOWN THE LATCH. -THE CAR DOESN'T SHIFT CORRECTLY AND TIRES SEEM LOOSE -THE OVERDRIVE LIGHT IS BLINKING ALL THE TIME AND THE TRANSMISSION IS SIGNALING.. I HAVE FOUND SO MANY WEBSITES WITH COMPLAINTS ABOUT THE SAME ISSUES ON 2003-2004 MERCURY MOUNTAINEERS. *TR

NHTSA ODI #10461435

Mileage unknown · May 29, 2012
Electrical System

THE WORD DOOR AJAR ON MY DASH BOARD KEEPS TELL ME THAT A DOOR IS OPEN WHEN ALL THE DOORS ARE CLOSED AND I THINK THATS WHY MY INSIDE LIGHTS AND THE LIGHTS ON MY OUTSIDE MIRRAS TAKES 15-20 MIN'S TO GO OFF AFTER I HAVE ALARMED THE VEHICLE AND WHEN I GET IN TO DRIVE THE LIGHTS SHOULD GO OFF ADMEDILY BUT THEY DONT. *TR

NHTSA ODI #10459915

Mileage unknown · May 29, 2012
Electrical SystemExterior Lighting

THE INSIDE DOME LIGHTS AND THE LIGHTS ON THE OUTSIDE SIDE MIRRORS DO NOT GO OFF UNTIL 15 TO 20 MIN'S AFTER IT HAS BEEN ALARMED THIS HAS RUN DOWN MY BATTERY I HAD TO BUY A NEW BATTERY. *TR

NHTSA ODI #10459912

87,000 miles · Jun 17, 2010
Electrical System

TL* THE CONTACT OWNS A 2003 MERCURY MOUNTAINEER. WHILE DRIVING LESS THAN 40 MPH, THE DASHBOARD ILLUMINATED AND THE VEHICLE LOST ALL POWER. THE CONTACT HAD NOT SPOKEN WITH THE MANUFACTURER NOR THE DEALER FOR REPAIRS, DIAGNOSTIC TESTING NOR TO REPORT THE FAILURE. THE CURRENT AND FAILURE MILEAGES WERE 87,700.

NHTSA ODI #10336777

60,000 miles · Jan 3, 2010
Electrical SystemEngine And Engine CoolingPower Train

I HAVE 2003 MERCURY MOUNTAINEER AND I HAVE HAD IT SINCE FEBRUARY 2007. I HAVE HAD NUMEROUS PROBLEMS WITH IT AND THE LAST PROBLEMS WAS THE BREAKING POINT. I HAVE THREE MORE YEARS TO PAY FOR THIS VEHICLE AND I WANT SOMETHING TO BE DONE ABOUT THE PROBLEMS WITH THIS VEHCILE. FORD SHOULD BE HELD RESPONSIBLE FOR THIS VEHICLE AND F…

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I HAVE 2003 MERCURY MOUNTAINEER AND I HAVE HAD IT SINCE FEBRUARY 2007. I HAVE HAD NUMEROUS PROBLEMS WITH IT AND THE LAST PROBLEMS WAS THE BREAKING POINT. I HAVE THREE MORE YEARS TO PAY FOR THIS VEHICLE AND I WANT SOMETHING TO BE DONE ABOUT THE PROBLEMS WITH THIS VEHCILE. FORD SHOULD BE HELD RESPONSIBLE FOR THIS VEHICLE AND FIXING THE PROBLEMS ASSOCIATED WITH IT. I PURCHASED THIS VEHICLE FROM COMMUNITY FORD IN NEW ALBANY, MS IN FEBRUARY 2007 WITH 45,000 MILES ON IT. I COULDN'T GET AN EXTENDED WARRANTY OR ANY WARRANTY WITH THE VEHICLE I WAS TOLD. AFTER A YEAR, I HAD TO REPLACE THE FRONT END AND IT WAS $500.00 AT GEORGE'S TIRE SERVICES. I TOOK IT IN DUE TO THIS NOISE COMING FROM THE FRONT AND I WAS ADVISED THAT IF I DIDN'T HAVE THE WORK DID IT WOULD LOCK UP ON ME WHILE I AM DRIVING AND CAUSE AND ACCIDENT. I NOTICED THAT MY STRUCTURE BODY:HATCHBACK/TAILGATE HAS CRACKED COMPLETELY. MY SEAT BELT ON THE DRIVER SIDE IN THE BACK DON'T WORK. MY ENGINE COOLING SYSTEM AIRCOMPRESSOR HAS WENT OUT AND I HAVE ELECTRICAL PROBLEMS WHERE MY OIL GAUGE IS CONSTANTLY SAYING IT'S LOW. I HAVE MY OIL CHANGE EVERY 3000 MILES. I AM HEARING THIS NOISE IN THE REAR OF THE VEHICLE AND I DON'T KNOW WHAT IT IS AND CAN'T AFFORD TO GET GOING TO FORD TO SEE WHAT IT IS. I HAVE BEEN SMELLING THIS BURNING COMING FROM THE UNDER THE HOOD AND I DON'T KNOW WHAT IT IS EITHER. MY LASTEST PROBLEM IS MY TRANSMISSION IS GOING OUT AND I HAVE HAD THIS VEHICLE FOR TWO YEARS AND I HAVE THREE MORE YEARS OF PAYMENT ON THIS VEHICLE. MY TRANSMISSION COST ME AROUND $3500 AND I DON'T HAVE ANY WARRANTY ON IT. THIS IS A LEMON I HAVE PURCHASED AND I THINK SOMETHING SHOULD BE DONE ABOUT IT. *TR

NHTSA ODI #10297859

127,000 miles · Jun 29, 2009
Electrical SystemFuel System, GasolinePower Train

2003 MERCURY MOUNTAINEER 4.6L-V8: WHEN THE VEHICLE IS NOT UNDER ACCELERATION [STOP SIGN/SIGNAL, EXITING AN EXPRESSWAY TO A SURFACE STREET, COASTING] THE ENGINE WILL NOT HOLD IDLE, THEN STALL. THE STEERING & BRAKES ARE COMPROMISED WHEN THE ENGINE STALLS. TO RESTART THE ENGINE, THE HEADLIGHTS GO DARK FOR A MOMENT...THIS IS A VER…

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2003 MERCURY MOUNTAINEER 4.6L-V8: WHEN THE VEHICLE IS NOT UNDER ACCELERATION [STOP SIGN/SIGNAL, EXITING AN EXPRESSWAY TO A SURFACE STREET, COASTING] THE ENGINE WILL NOT HOLD IDLE, THEN STALL. THE STEERING & BRAKES ARE COMPROMISED WHEN THE ENGINE STALLS. TO RESTART THE ENGINE, THE HEADLIGHTS GO DARK FOR A MOMENT...THIS IS A VERY SERIOUS MATTER. DECELERATING FROM AN EXPRESSWAY TO A SURFACE STREET, ON A CURVED EXIT RAMP , AT NIGHT MAKES FOR AN OUT OF CONTROL SITUATION WHERE THE DRIVER CAN NOT SEE BECAUSE OF ENGINE FAILURE! I'VE REPLACED THE THROTTLE POSITION CENSOR [TPS] WITH NO IMPROVEMENT. THE DEALER OFFERS REPLACEMENT OF PARTS $1500, AND NO GUARANTEE OF SOLVING THE PROBLEM. THE VEHICLE IS USELESS TO ME FORE IT IS A HAZARD TO BE ON THE ROAD...FOR ME AND ANYONE ELSE DRIVING NEAR ME. *TR

NHTSA ODI #10275214

Mileage unknown · Mar 1, 2008
Electrical SystemPower TrainFire

UPON LEAVING WORK IN THE AM I STARTED MY VEHICLE AND NONE OF MY DASH GAUGES WERE WORKING NOR WERE ANY OF THE ELECTRIC WINDOW OR THE RADIO. I THEN CALLED MY MECHANIC WHO ADV ME TO BRING IT TO HIM. WHILE I WAS EN ROUTE TO TAKE MY VEHICLE TO HIM IT STARTED MAKING A WEIRD NOISE LIKE I WAS IN A HELICOPTER AND I STARTED SMELLING THIS…

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UPON LEAVING WORK IN THE AM I STARTED MY VEHICLE AND NONE OF MY DASH GAUGES WERE WORKING NOR WERE ANY OF THE ELECTRIC WINDOW OR THE RADIO. I THEN CALLED MY MECHANIC WHO ADV ME TO BRING IT TO HIM. WHILE I WAS EN ROUTE TO TAKE MY VEHICLE TO HIM IT STARTED MAKING A WEIRD NOISE LIKE I WAS IN A HELICOPTER AND I STARTED SMELLING THIS WEIRD SMELL LIKE OIL BURNING AT FIRST IT THOUGHT THEY MESSED UP MY OIL CHANGE AND I WAS FURIOUS. UPON ARRIVING AT THE SHOP HE IMMEDIATELY SMELLED THE ODOR PUT IT UP ON THE LIFT AND FOUND OUT THAT MY FRONT DIFFERENTIAL HAD GONE BAD. I PURCHASED ANOTHER ONE AND HI INSTALLED IT AND I TOOK IT HOME BECAUSE HE COULD NOT FIND OUT WHAT WAS WRONG WITH THE GAUGES ON MY WAY TO TAKE IT TO A DEALER I WAS DRIVING DOWN THE ROAD AND SMOKE AND WAS COMING FROM THE FRONT AND BACK UNDER MY CAR ANOTHER DRIVING PASSING BY SIGNALED SOMETHING WAS COMING FROM BENEATH MY VEHICLE AND UPON THAT I HEARD A LOUD BANG POPPING NOISE AND MY VEHICLE LOST POWER AND I HAD TO HAVE IT TOWED BACK TO THE MECHANIC ONLY TO FIND OUT THAT AGAIN THE DIFFERENTIAL FAILED. I STILL DO NOT HAVE MY VEHICLE AND THE GAUGES WINDOWS AND RADIO STILL DOES NOT WORK. MY MECHANIC CHECKED ALL THE FUSES AND ADV THAT THERE WAS NO PROBLEM WITH THEM. HE DID HOWEVER CALL A MERCURY DEALER WHO ADV HE HAS HAD TO CHANGE SOME OF THE FRONT DIFFERENTIALS ON OTHER MOUNTAINEERS BUT WAS NOT CERTAIN AS TO HOW MANY WERE DONE. *TR

NHTSA ODI #10219772

Mileage unknown · Sep 12, 2006
Electrical SystemEquipmentPower Train

2003 MERCURY MOUNTAINEER TRANSMISSION MADE A CLUNKING SOUND, SLID BACKWARDS AND FORWARDS WHILE SHIFTING INTO REVERSE. A/C BLOWER MOTOR MADE A HUMMING SOUND. WHILE DRIVING THE MOTOR WOULD MISFIRE. *KB WHILE DRIVING THE CONSUMER NOTICED THAT THE DASH LIGHT WENT OUT. THE CONSUMER ATTEMPTED TO CORRECT THE PROBLEM BY TURNING THE LI…

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2003 MERCURY MOUNTAINEER TRANSMISSION MADE A CLUNKING SOUND, SLID BACKWARDS AND FORWARDS WHILE SHIFTING INTO REVERSE. A/C BLOWER MOTOR MADE A HUMMING SOUND. WHILE DRIVING THE MOTOR WOULD MISFIRE. *KB WHILE DRIVING THE CONSUMER NOTICED THAT THE DASH LIGHT WENT OUT. THE CONSUMER ATTEMPTED TO CORRECT THE PROBLEM BY TURNING THE LIGHTING SWITCH. WHEN THE SWITCH WAS TURNED THE DASH LIGHT CAME ON BUT THE HEADLIGHTS WENT OUT. THE CONSUMER'S INDICATED THAT THEY SOMETIMES HEAR POPPING SOUNDS WHILE DRIVING, WHICH SEEMS TO BE OF AN ELECTRICAL NATURE.

NHTSA ODI #10169065

13,000 miles · Apr 4, 2005
Electrical System

MY 2003 MERCURY MOUNTAINEER WOULD STUTTER AND HAVE A JERKING MOTION LIKE IT WAS GOING TO STALL AND IT WOULD DO THIS AT ANY GIVEN TIME. ON THE 13TH OF JANUARY I WAS TAKING MY YOUNGEST DAUGHTER TO SCHOOL AND MY CAR STARTED TO STUTTER AND THEN IT JUST STALLED ON ME I HAD A DIFFICULT TIME STARTING THE CAR. I THEN TOOK HER TO SCHOO…

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MY 2003 MERCURY MOUNTAINEER WOULD STUTTER AND HAVE A JERKING MOTION LIKE IT WAS GOING TO STALL AND IT WOULD DO THIS AT ANY GIVEN TIME. ON THE 13TH OF JANUARY I WAS TAKING MY YOUNGEST DAUGHTER TO SCHOOL AND MY CAR STARTED TO STUTTER AND THEN IT JUST STALLED ON ME I HAD A DIFFICULT TIME STARTING THE CAR. I THEN TOOK HER TO SCHOOL AND I SHUT THE CAR OFF TO WALK HER TO HER CLASSROOM AND THEN GOT BACK INTO MY CAR AND WHEN I PUT THE KEY INTO THE IGNITION AND TURNED THE KEY THERE WAS NO POWER MY CAR WAS DEAD I HAD TO CALL THE ROAD SIDE ASSISTANCE NUMBER AND HAD TO WAIT AN HOUR FOR A TOW TRUCK. I WAS TOLD BY THE DEALERSHIP THAT IT WAS THE INSTRUMENT CLUSTER HEAD AND IT WAS FIXED AND I WAS NOT GIVEN A RENTAL CAR AND I ONLY HAD THIS CAR 11 MONTHS. WELL TWO WEEKS LATER AS I WAS GETTING READY TO MAKE A LEFT TURN ON A VERY BUSY INTERSECTION MY MOUNTAINEER STALLED ON ME ONCE AGAIN AND ALL I COULD DO WAS PRAY THAT IT WOULD START IT TOOK THREE TRIES TO GET IT STARTED AND I DROVE IT DOWN THE BLOCK TO THE DEALERSHIP ONCE AGAIN AND MADE THEM TAKE THE CAR. WELL THEY HAD MY CAR FOR ANOTHER FOUR DAYS AND I WAS TOLD ONCE AGAIN IT WAS THE INSTRUMENT CLUSTER HEAD. THEN IN FEBRUARY OF 2005 THE FORD DEALERSHIP WANTED TO DO A RUN DOWN OF MY CAR TO MAKE SURE IT WAS FIXED BUT LOW AND BEHOLD I HAVE TO TAKE MY CAR BACK ON APRIL 5, 2005 FOR THE SAME STUTTERING AND STALLING PROBLEM. I FEEL THAT THIS CAR IS A LEMON AND UNSAFE FOR MY FAMILY.*AK

NHTSA ODI #10116317

Official recalls

0

No recalls in this snapshot.

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

2

EA09013 · Vehicle Rollaway Allegations

Opened Aug 18, 2009 · Closed Feb 12, 2013

Status: closed (inferred from source dates) · Power Train:automatic Transmission:gear Position Indication (prndl); Power Train:automatic Transmission:lever And Linkage:column Shift; Steering; Steering:column; Steering:column LOCKING:ANTI-THEFT Device

This investigation is being closed based on several considerations.By the most inclusive counting of all alleged rollaway incidents (i.e., counting all alleged rollaway incidents and assuming a singular failure mechanism), the incident rate is low, however during EA09-013, ODI identified a number of different failure mechanisms in 180 incidents related to the alleged defect.The highest rate for any particular failure mechanism, the failure of the Automatic Transmission Parking System, was 4.4/100K.The next-highest failure rate was for the BSI System, at 3.4/100K.For all identified failure mechanisms there has been a drastically declining trend including very few incidents occurring in recent years.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.For additional information regarding this investigation, see the complete closing resume in the document file for EA09-013. The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers:10168454, 10279630, 10280078.

Additional source detail variants (5)

Power Train:automatic Transmission:gear Position Indication (prndl)

This investigation is being closed based on several considerations.By the most inclusive counting of all alleged rollaway incidents (i.e., counting all alleged rollaway incidents and assuming a singular failure mechanism), the incident rate is low, however during EA09-013, ODI identified a number of different failure mechanisms in 180 incidents related to the alleged defect.The highest rate for any particular failure mechanism, the failure of the Automatic Transmission Parking System, was 4.4/100K.The next-highest failure rate was for the BSI System, at 3.4/100K.For all identified failure mechanisms there has been a drastically declining trend including very few incidents occurring in recent years.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.For additional information regarding this investigation, see the complete closing resume in the document file for EA09-013. The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers:10168454, 10279630, 10280078.

Power Train:automatic Transmission:lever And Linkage:column Shift

This investigation is being closed based on several considerations.By the most inclusive counting of all alleged rollaway incidents (i.e., counting all alleged rollaway incidents and assuming a singular failure mechanism), the incident rate is low, however during EA09-013, ODI identified a number of different failure mechanisms in 180 incidents related to the alleged defect.The highest rate for any particular failure mechanism, the failure of the Automatic Transmission Parking System, was 4.4/100K.The next-highest failure rate was for the BSI System, at 3.4/100K.For all identified failure mechanisms there has been a drastically declining trend including very few incidents occurring in recent years.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.For additional information regarding this investigation, see the complete closing resume in the document file for EA09-013. The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers:10168454, 10279630, 10280078.

Steering:column

This investigation is being closed based on several considerations.By the most inclusive counting of all alleged rollaway incidents (i.e., counting all alleged rollaway incidents and assuming a singular failure mechanism), the incident rate is low, however during EA09-013, ODI identified a number of different failure mechanisms in 180 incidents related to the alleged defect.The highest rate for any particular failure mechanism, the failure of the Automatic Transmission Parking System, was 4.4/100K.The next-highest failure rate was for the BSI System, at 3.4/100K.For all identified failure mechanisms there has been a drastically declining trend including very few incidents occurring in recent years.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.For additional information regarding this investigation, see the complete closing resume in the document file for EA09-013. The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers:10168454, 10279630, 10280078.

Steering:column LOCKING:ANTI-THEFT Device

This investigation is being closed based on several considerations.By the most inclusive counting of all alleged rollaway incidents (i.e., counting all alleged rollaway incidents and assuming a singular failure mechanism), the incident rate is low, however during EA09-013, ODI identified a number of different failure mechanisms in 180 incidents related to the alleged defect.The highest rate for any particular failure mechanism, the failure of the Automatic Transmission Parking System, was 4.4/100K.The next-highest failure rate was for the BSI System, at 3.4/100K.For all identified failure mechanisms there has been a drastically declining trend including very few incidents occurring in recent years.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.For additional information regarding this investigation, see the complete closing resume in the document file for EA09-013. The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers:10168454, 10279630, 10280078.

Steering

This investigation is being closed based on several considerations.By the most inclusive counting of all alleged rollaway incidents (i.e., counting all alleged rollaway incidents and assuming a singular failure mechanism), the incident rate is low, however during EA09-013, ODI identified a number of different failure mechanisms in 180 incidents related to the alleged defect.The highest rate for any particular failure mechanism, the failure of the Automatic Transmission Parking System, was 4.4/100K.The next-highest failure rate was for the BSI System, at 3.4/100K.For all identified failure mechanisms there has been a drastically declining trend including very few incidents occurring in recent years.Accordingly, this investigation is closed.The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.For additional information regarding this investigation, see the complete closing resume in the document file for EA09-013. The ODI reports cited above can be reviewed at www-odi.nhtsa.dot.gov/owners/SearchNHTSAID under the following identification (ODI) numbers:10168454, 10279630, 10280078.

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.