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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

Power Train complaints

42 reports
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172,800 miles · Aug 16, 2020
Power TrainUnknown Or OtherWheelsCrashInjury

BIG O TECHS CONNED WIFE INTO BUYING 2 TIRES AND WE OWN AWD SUV THAT REQUIRES 4 AT THE SAME INTERVALS .I IMMEDIATELY NOTIFY THEM THAT THIS IS NOT SAFE AND WILL DAMAGE MY CAR THEY CONTINUED FOR OVER 2 MONTHS TO LIE TO ME ABOUT HAVING SOMEMONE COMTACT ME . I HAVE ALL THE COMMUNICATIONS I'VE HAD WITH THEM THROUGH MESSAGES. A FEW WEE…

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BIG O TECHS CONNED WIFE INTO BUYING 2 TIRES AND WE OWN AWD SUV THAT REQUIRES 4 AT THE SAME INTERVALS .I IMMEDIATELY NOTIFY THEM THAT THIS IS NOT SAFE AND WILL DAMAGE MY CAR THEY CONTINUED FOR OVER 2 MONTHS TO LIE TO ME ABOUT HAVING SOMEMONE COMTACT ME . I HAVE ALL THE COMMUNICATIONS I'VE HAD WITH THEM THROUGH MESSAGES. A FEW WEEKS AFTER THEY PUT THE TIRES ON AND REFUSED TO TAKE THEM OFF AND PUT MY OLD O ES BACK ON AND ISSUE A REFUND WELL MY TRANSMISSION AND TRANSFER CASE FAILED I CONTACTED THEM AGAIN AND AGAIN THEY LIED TO ME ABOUT SOMEONE CONTACTING ME . I TOOK MY SUV TO THE TRANSMISSION SHOP WE MEASURED OVER 2 INCH CIRCUMFERENCE DIFFERENCE. I INFORMED BIG O THAT I HAVE A TSB ISSUED BY FORD MY EMPLOYER THAT DATES BACK TO 2011 ON TIRE CIRCUMFERENCE PROCEDURES FOR TIRE DEALERS TO FOLLOW . THE RESPONSE I GOT WAS THAT BIG O REFUSES TO REVIEW OR ACKNOWLEDGE TSBS . THAT'S ALARMING AS TSBS ARE ISSUED MY THE MANUFACTURERS FOR SAFETY . I HAD MY SUV FIXED FOR 3000+ $ OUT OF POCKET AND CONTACTED BIG O THE DAY I PICKED IT UP ABOUT THE TIRES STILL BEING ON THERE . I WARNED THEM THIS IS DANGEROUS AND CAN HURT MY NEW DRIVETRAIN THE VERY NEXT DAY FROM GETTING MY SUV OUT OF THE SHOP THE TIRES AGAIN CAUSED BINDING TO OCCUR BUT THIS TIME IT LED TO WHAT SHOULD'VE BEEN A FATAL ACCIDENT WHERE AS THE AWD SYSTEM DONE IT'S JOB BUT THE TIRES BEING OFF BY SO MUCH MADE THE SUV BIND A THREE IN INTO 3 360 DEGREE SPIN AND SLAMMED THE CONCRETE MEDIAN TOTALING MY VEHICLE AND INJURING MY WIFE. I'VE DOCUMENTED ALL MESSAGES WITH BIG O AND HAVE MUCH MORE EVIDENCE RELATED TO THIS CASE THAT I'M UNABLE TO ADD IN THIS DESCRIPTION BECAUSE I'M RUNNING OUT OF ALLOWED CHARACTERS REMAINING . I DID CONTACT BIG O AGAIN AND SENT PHOTOS OF MY CRASHED SUV AND SUDDENLY THEY NOW WON'T RESPOND BACK AT ALL . I THINK THIS JUSTIFIES A FULL INVESTIGATION INTO THERE REFUSAL TO REVIEW TSBS AND FULL REIMBURSEMENT FOR ALL MY

NHTSA ODI #11349674

140,000 miles · Jul 12, 2019
EnginePower TrainWheels

I HAVE SPENT THOUSANDS OF DOLLARS ON THE TRANSMISSION REPAIR AND NO MATTER WHAT I DO THERE ALWAYS A PROBLEM SHIFTING GEARS

NHTSA ODI #11231457

200,000 miles · Apr 13, 2017
Power TrainService Brakes

TL* THE CONTACT OWNS A 2003 MERCURY MOUNTAINEER. WHILE DRIVING, THE TRANSMISSION FAILED TO SHIFT. WHILE PARKED, THE EMERGENCY BRAKES FAILED AND CAUSED THE VEHICLE TO ROLL AWAY. THE CONTACT WAS ABLE TO GAIN CONTROL OF THE VEHICLE. IN ADDITION, THE BRAKE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT W…

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TL* THE CONTACT OWNS A 2003 MERCURY MOUNTAINEER. WHILE DRIVING, THE TRANSMISSION FAILED TO SHIFT. WHILE PARKED, THE EMERGENCY BRAKES FAILED AND CAUSED THE VEHICLE TO ROLL AWAY. THE CONTACT WAS ABLE TO GAIN CONTROL OF THE VEHICLE. IN ADDITION, THE BRAKE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE BRAKE LINES AND HOSES NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED, BUT THE ISSUE RECURRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 200,000.

NHTSA ODI #10972300

Mileage unknown · Sep 16, 2016
Fuel/propulsion SystemPower TrainSuspension

2003 MERCURY MOUNTAINEER RECALLS I HAVE HAD TO CHANGE THE INTAKE MANIFOLD, IGNITION COILS, I'M HAVING A GAS SMELLS NOW, TRANSMISSION THUMPS HARD WHEN GOING INTO FIRST GEAR, SOUNDS LIKE MY REAR END IS ABOUT TO FALL OUT, MY FRONT SEAT IS ELECTRIC AND DOESN'T MOVE, THE O/D LIGHT COMES ON, CHECK ENGINE LIGHT ON, BRAKE LIGHT ON, I K…

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2003 MERCURY MOUNTAINEER RECALLS I HAVE HAD TO CHANGE THE INTAKE MANIFOLD, IGNITION COILS, I'M HAVING A GAS SMELLS NOW, TRANSMISSION THUMPS HARD WHEN GOING INTO FIRST GEAR, SOUNDS LIKE MY REAR END IS ABOUT TO FALL OUT, MY FRONT SEAT IS ELECTRIC AND DOESN'T MOVE, THE O/D LIGHT COMES ON, CHECK ENGINE LIGHT ON, BRAKE LIGHT ON, I KEEP TRYING TO FIX EVERYTHING THE MORE I FIX THE MORE PROBLEMS THAT COME UP, I HAVE CHECK THE RECALL LIST FOR 2003 MERCURY MOUNTAINEER RECALL ON TRANSMISSION AND ALSO CALLED THE FORD CO THEY SAID THERE IS NOTHING. THE PROBLEM IS GETTING WORST AND AFRAID I WILL BE ON THE HIGHWAY WITH MY GRANDCHILDREN WHEN IT BREAKS. I'VE HAD TRANSMISSION LEVEL CHECKED SAID IT WAS FINE. GETTING READY TO DO A COMPLETE TUNE-UP ON IT TO SEE IF THAT WILL HELP WITH THE SMELL OF GAS AND MAKE IT RUN BETTER. IT IDLES HIGH. IT'S WORST WHEN I'M ON THE HIGHWAY.

NHTSA ODI #10907125

240,000 miles · Apr 15, 2013
Power Train

TL* THE CONTACT OWNS A 2003 MERCURY MOUNTAINEER. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, THE REAR DIFFERENTIAL MADE A POPPING SOUND. THE CONTACT STATED THAT WHILE IN REVERSE, THE POPPING SOUND WAS LOUDER. THE CONTACT TOOK THE VEHICLE TO A LOCAL MECHANIC FOR A DIAGNOSTIC TEST. THE MECHANIC NOTICED A LEAK IN THE REAR DIFFERE…

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TL* THE CONTACT OWNS A 2003 MERCURY MOUNTAINEER. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, THE REAR DIFFERENTIAL MADE A POPPING SOUND. THE CONTACT STATED THAT WHILE IN REVERSE, THE POPPING SOUND WAS LOUDER. THE CONTACT TOOK THE VEHICLE TO A LOCAL MECHANIC FOR A DIAGNOSTIC TEST. THE MECHANIC NOTICED A LEAK IN THE REAR DIFFERENTIAL AND STATED THE REAR DIFFERENTIAL NEEDED TO BE REPLACED. THE CONTACT DID NOT HAVE THE REAR DIFFERENTIAL REPLACED. THE FAILURE MILEAGE WAS 240,000.

NHTSA ODI #10508311

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

64,000 miles · May 29, 2012
Power Train

THE GEAR SHIFT GETS STUCK IN PARK AND I HAVE TO PULL DOWN ON IT REALLY HARD TO GET IT IN DRIVE OR REVERSE I'M AFRAID THAT ITS GOING TO BREAK ONE DAY. *TR

NHTSA ODI #10459900

86,000 miles · Mar 8, 2012
Power Train

TRANSMISSION FAILED WHILE TRAVELING @ 35 MPH, WOULD NOT SHIFT INTO NEXT GEAR. *TR

NHTSA ODI #10450722

92,000 miles · Oct 10, 2011
Power Train

I ATTEMPTED TO PUT MY VEHICLE IN REVERSE SO I COULD PULL OUT OF A PARKING SPACE. WHEN I DID THIS, THE TRANSMISSION LEVEL BROKE RIGHT OFF. THE VEHICLE, SINCE IT IS FULL-TIME AWD, CANNOT BE MOVED OR TOWED SINCE ALL THE WHEELS ARE ENGAGED IN PARK. THE METAL HOLDING THE TRANSMISSION LEVER TO THE STEERING COLUMN SHEARED OFF WHICH I C…

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I ATTEMPTED TO PUT MY VEHICLE IN REVERSE SO I COULD PULL OUT OF A PARKING SPACE. WHEN I DID THIS, THE TRANSMISSION LEVEL BROKE RIGHT OFF. THE VEHICLE, SINCE IT IS FULL-TIME AWD, CANNOT BE MOVED OR TOWED SINCE ALL THE WHEELS ARE ENGAGED IN PARK. THE METAL HOLDING THE TRANSMISSION LEVER TO THE STEERING COLUMN SHEARED OFF WHICH I CAN ONLY CONSIDER TO BE A GRAVE SAFETY RISK IF THE VEHICLE WAS IN MOTION AND THIS HAPPENED. *KB

NHTSA ODI #10429347

Mileage unknown · Oct 3, 2011
Power TrainSteering

I HAVE HAD A PROBLEM FOR A COUPLE YEARS WHEN I PUT THE CAR IN GEAR IT DOESN'T "LOCK" IN THE GEAR I HAVE TO ADJUST IT TWICE, DIDN'T THINK MUCH OF IT AND THANK GOD NO ACCIDENT. BUT I JUST LEARNED TO DEAL WITH IT UNTIL I SAW THIS. WANT UPDATES ON THIS ISSUE. *TR

NHTSA ODI #10428385

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.