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2004 Mercury Mountaineer

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2004 Mercury Mountaineer do not stand out strongly from the model-year median of 117.

About this comparison →

When problems were reported

Mileage at the reported incident

181 reports with mileage · 29 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 79 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 64 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Vehicle Speed Control. Review the 21 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

11 crash reports2 fire reports15 injury reports

What owners actually said

210 reports
131,000 miles · Oct 6, 2010
Power Train

TL*THE CONTACT OWNS A 2004 MERCURY MOUNTAINEER. THE CONTACT NOTICED THAT WHEN DRIVING, THE TRANSMISSION WAS UNABLE TO BE SHIFTED INTO SECOND OR FIFTH GEAR. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHO INFORMED THE CONTACT THAT THE TRANSMISSION NEEDED TO BE REPLACED. THE CONTACT CALLED THE MANUFACTURER WHO TOOK A COMPLAINT B…

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TL*THE CONTACT OWNS A 2004 MERCURY MOUNTAINEER. THE CONTACT NOTICED THAT WHEN DRIVING, THE TRANSMISSION WAS UNABLE TO BE SHIFTED INTO SECOND OR FIFTH GEAR. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHO INFORMED THE CONTACT THAT THE TRANSMISSION NEEDED TO BE REPLACED. THE CONTACT CALLED THE MANUFACTURER WHO TOOK A COMPLAINT BUT OFFERED NO FURTHER ASSISTANCE. THE FAILURE MILEAGE WAS APPROXIMATELY 131,000.

NHTSA ODI #10359441

69,469 miles · Sep 29, 2010
Power Train

2004 MERCURY MOUNTAINEER. TRANSMISSION FAILING 69,469 MILES ON VEHICLE. TAILGATE CRACKED ALSO. NOT SURE IF WORTH REPAIRING. *TR

NHTSA ODI #10358356

78,000 miles · Sep 15, 2010
Structure

TL*THE CONTACT OWNS A 2004 MERCURY MOUNTAINEER. WHILE PARKED HE NOTICED THERE WAS A CRACK BELOW THE MERCURY EMBLEM ON THE REAR LIFT GATE. THE VEHICLE WAS NOT TAKEN TO BE EXAMINED FOR THE CAUSE OF FAILURE AND WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 78,000 AND THE CURRENT MILEAGE WAS 79,000. THE VIN WAS UNAVAILABLE.

NHTSA ODI #10355697

37,000 miles · Aug 17, 2010
Structure

IN JULY 2008 FILED MY FIRST COMPLAINT WHEN THE ENTIRE BACK LIFT GATE AND WINDOW BLEW OUT WHILE VEHICLE WAS PARKED. INSURANCE REPAIRED IT, I PAID A 200.00 DEDUCTIBLE. AGAIN THE MEDALLION HAS CRACKED 3/4 OF THE WAY AND I AM WONDERING IF THIS IS THE START OF ANOTHER LIFT GATE BLOW OUT/GLASS ALL OVER, ETD. *TR

NHTSA ODI #10349930

40,800 miles · Aug 12, 2010
Suspension

2004 MERCURY MOUNTAINEER WITH 40K MILES HAD DRIVER SIDE UPPER AND LOWER BALL JOINT FAILURE. THIS WAS UNCOVER DURING A NORMAL STATE INSPECTION. REPLACEMENT OF BOTH JOINTS WAS REQUIRED TO SAFELY DRIVE THIS CAR. *TR

NHTSA ODI #10348954

91,303 miles · Aug 9, 2010
Vehicle Speed Control

TO FORD MOTOR COMPANY (FMC) VIA WEBSITE: YOUR INQUIRY: HAS ANY MECHANIC EVERY CAME ACROSS A SITUATION SIMILAR TO MY 2004 MOUNTAINEER CRUISE CONTROL PROBLEM AS FOLLOWS: EVERY TIME I SET THE CRUISE CONTROL BETWEEN 27-45MPH AND DESCEND A HILL, THE ENGINE SHUTS DOWN! THAT'S RIGHT; NO POWER STEERING, NO POWER BRAKES, NO ENGINE RU…

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TO FORD MOTOR COMPANY (FMC) VIA WEBSITE: YOUR INQUIRY: HAS ANY MECHANIC EVERY CAME ACROSS A SITUATION SIMILAR TO MY 2004 MOUNTAINEER CRUISE CONTROL PROBLEM AS FOLLOWS: EVERY TIME I SET THE CRUISE CONTROL BETWEEN 27-45MPH AND DESCEND A HILL, THE ENGINE SHUTS DOWN! THAT'S RIGHT; NO POWER STEERING, NO POWER BRAKES, NO ENGINE RUNNING! THIS IS DEFINITELY A SAFETY/WARRANTY ISSUE TO ME? THE MERCURY SERVICE MANAGER SAID THAT HE NEVER HEARD OF SUCH A PROBLEM AND IT'S GOING TO COST ME AT LEAST $70.00, JUST FOR HIM TO FIGURE OUT WHAT'S WRONG! FROM FMC: THANK YOU FOR CONTACTING THE FORD MOTOR COMPANY CUSTOMER RELATIONSHIP CENTER REGARDING THE CRUISE CONTROL CONCERN ON YOUR 2004 MERCURY MOUNTAINEER. I SINCERELY UNDERSTAND THE FRUSTRATION THAT THIS EXPERIENCE HAS BROUGHT YOU. PLEASE BE ADVISED THAT COMPLETE VEHICLE SERVICE RECORDS ARE MAINTAINED AT THE SERVICING DEALERSHIP ONLY. AS DEALERSHIPS ARE INDEPENDENTLY OWNED AND OPERATED, WE DO NOT HAVE ACCESS TO OTHER VEHICLES' SERVICE RECORDS; THUS, CANNOT DETERMINE IF THIS IS CONSIDERED TO BE A COMMON OCCURRENCE. MOREOVER, OUR DEALERS DETERMINE HOW THE DIAGNOSTIC FEE WILL BE APPLIED WHEN ASSIGNING TECHNICIANS TO SERVICE VEHICLES. IN THIS INSTANCE, THE $70 DIAGNOSTIC FEE THAT WAS QUOTED TO YOU AND THE MANNER IN WHICH IT WOULD APPLY, IS A STANDARD PRACTICE FOR THIS DEALERSHIP. I INVITE YOU TO SPEAK WITH THE CUSTOMER RELATIONS MANAGER OR THE SERVICE MANAGER, AS HE/SHE WOULD BE IN THE BEST POSITION TO ADDRESS YOUR DIAGNOSTIC FEE. AT THIS TIME, I RECOMMEND THAT YOUR VEHICLE BE INSPECTED BY A LINCOLN-MERCURY DEALERSHIP TO DETERMINE THE CAUSE OF ANY SYMPTOMS YOUR VEHICLE MAY BE EXPERIENCING. THEY HAVE FACTORY-TRAINED TECHNICIANS, THE MOST CURRENT ENGINEERING SERVICE INFORMATION, AND THE SPECIALIZED EQUIPMENT REQUIRED TO RESOLVE YOUR VEHICLE CONCERNS. IF THERE IS NO COVERAGE UNDER APPLICABLE WARRANTIES, RECALLS OR EXTENDED SERVICE PLANS, REPAIRS AND SERVICES WOULD BE YOUR RESPONSIBILITY. MAKE AN APPOINTMENT WITH FMC DEALER. *TR

NHTSA ODI #10348095

104,000 miles · Jul 18, 2010
VisibilityInjury

REAR GLASS HINGE FAILURE ON 2004 MERCURY MOUNTAINEER. HINGE PIN FAILED ON MY REAR GLASS HINGE. *TR

NHTSA ODI #10343835

Mileage unknown · Jul 16, 2010
Structure

TL* THE CONTACT OWNS A 2004 MERCURY MOUNTAINEER. WHILE THE VEHICLE WAS PARKED, THE CONTACT MANUALLY CLOSED THE REAR HATCHBACK AND THE WINDOW GLASS SHATTERED UNEXPECTEDLY ONTO HER ARM. THE SMALL PIECES OF GLASS SCATTERED INSIDE AND OUTSIDE OF THE VEHICLE. THERE WAS NO PERSONAL INJURY. THE VEHICLE WAS TOWED TO THE DEALER WHERE T…

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TL* THE CONTACT OWNS A 2004 MERCURY MOUNTAINEER. WHILE THE VEHICLE WAS PARKED, THE CONTACT MANUALLY CLOSED THE REAR HATCHBACK AND THE WINDOW GLASS SHATTERED UNEXPECTEDLY ONTO HER ARM. THE SMALL PIECES OF GLASS SCATTERED INSIDE AND OUTSIDE OF THE VEHICLE. THERE WAS NO PERSONAL INJURY. THE VEHICLE WAS TOWED TO THE DEALER WHERE THE TECHNICIAN INFORMED THAT THE CAUSE OF FAILURE WAS CONTRIBUTED TO THE HATCHBACK DEFECTIVE LATCH. THE VEHICLE WAS IN THE PROCESS OF BEING REPAIRED AT THE TIME OF THE COMPLAINT. THE FAILURE MILEAGE WAS UNKNOWN.

NHTSA ODI #10343657

Mileage unknown · Jul 14, 2010
Vehicle Speed ControlCrashInjury

I DROVE A 2004 MERCURY MOUNTAINEER SUV AND AS I WAS TURNING INTO THE APARTMENT COMPLEX FROM A COMPLETE STOP, THE GAS PEDAL CLAMPED DOWN & I COULDN'T GET THE BRAKE TO WORK. MY SUV WAS TOTALED & I RAN INTO A FULL-SIZED PICK-UP TRUCK, WHICH WAS TOTALED TOO. I REPORTED THE PROBLEM TO THE POLICE & MY INSURANCE COMPANY. THE INSURAN…

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I DROVE A 2004 MERCURY MOUNTAINEER SUV AND AS I WAS TURNING INTO THE APARTMENT COMPLEX FROM A COMPLETE STOP, THE GAS PEDAL CLAMPED DOWN & I COULDN'T GET THE BRAKE TO WORK. MY SUV WAS TOTALED & I RAN INTO A FULL-SIZED PICK-UP TRUCK, WHICH WAS TOTALED TOO. I REPORTED THE PROBLEM TO THE POLICE & MY INSURANCE COMPANY. THE INSURANCE COMPANY TOLD ME NOT TO TELL ANYONE ELSE ABOUT IT. IT WAS LATE EVENING, SO NO KIDS WERE OUT, BUT BEING UNABLE TO CONTROL MY VEHICLE, WHICH TOTALED TWO FULL-SIZED TRUCKS IS SCARY! *TR

NHTSA ODI #10343093

92,360 miles · May 22, 2010
Structure

GLASS LIFT GATE STRUT FROZE WHEN IT WAS OPENED WHEN I TRIED TO CLOSE IT, THE FORCE BROKE THE HINGE AT THE TOP. IF I HAD NOT IMMEDIATELY SUPPORTED THE LIFT GATE IT WOULD HAVE FALLEN. THE HINGE ON THE OTHER SIDE WAS CRACKED AND BENT AND ABOUT TO GIVE. THE EMBLEM ON THE GATE HAS ALSO BEEN CRACKED FOR QUITE AWHILE. I DID HAVE THE TR…

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GLASS LIFT GATE STRUT FROZE WHEN IT WAS OPENED WHEN I TRIED TO CLOSE IT, THE FORCE BROKE THE HINGE AT THE TOP. IF I HAD NOT IMMEDIATELY SUPPORTED THE LIFT GATE IT WOULD HAVE FALLEN. THE HINGE ON THE OTHER SIDE WAS CRACKED AND BENT AND ABOUT TO GIVE. THE EMBLEM ON THE GATE HAS ALSO BEEN CRACKED FOR QUITE AWHILE. I DID HAVE THE TRANSMISSION FLUID ISSUE ADDRESSED WHEN THE VEHICLE WAS STILL UNDER WARRANTY, BUT STILL EXPERIENCE TRANSMISSION SLAMMING INTO GEAR IN REVERSE AT VARIOUS TIMES. *TR

NHTSA ODI #10331669

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

3

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.

RQ08003 · Rear Liftgate Glass Hatch Failure

Opened Jun 23, 2008 · Closed Oct 24, 2008

Status: closed (inferred from source dates) · Structure:body:hatchback/liftgate; Structure:body:hatchback/liftgate:hinge And Attachments; Structure:body:hatchback/liftgate:support Device/strut; Visibility:glass, Side/rear

THIS INVESTIGATION WAS OPENED ON JUNE 23, 2008, BASED ON 34 COMPLAINTS INVOLVING EIGHT INJURIES IN WHICH THE REAR LIFTGATE GLASS HATCH ON MODEL YEAR 2004 FORD EXPLORERS OR MERCURY MOUNTAINEERS BROKE OFF AND FELL, USUALLY WHILE INDIVIDUALS WERE OPERATING THE GLASS HATCH OR LOADING OR UNLOADING ITEMS FROM THE REAR OF THE VEHICLE.FORD CONDUCTED RECALL 04V-442 IN 2004 TO ADDRESS SIMILAR PROBLEMS ON MODEL YEAR 2002 AND CERTAIN MODEL YEAR 2003 FORD EXPLORERS AND MERCURY MOUNTAINEERS.THE INFORMATION FORD PROVIDED IN RESPONSE TO ODI'S INFORMATION REQUEST LETTER INDICATED THAT FAILURES WITH 2004 VEHICLES WERE PRIMARILY LIFTGATE GLASS HATCH HINGE FAILURES RELATED TO CORROSION AT THE HINGE PIN, WHEREAS THE FAILURES THAT PROMPTED THE RECALL WITH THE EARLIER MODELS WERE PRIMARILY RELATED TO PROBLEMS WITH THE GLASS HATCH'S STRUTS OR FRACTURE OF A PRIOR HINGE DESIGN AT THE BOSS/BOLT CONNECTION AT THE GLASS.ODI'S REVIEW OF FORD'S WARRANTY, COMPLAINT, AND INJURY DATA FOR THE 2004 VEHICLES INDICATES THAT THESE RATES ARE SIGNIFICANTLY LOWER THAN THOSE FOR THE RECALLED POPULATION.A POTENTIAL DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME.ODI WILL CONTINUE TO MONITOR COMPLAINTS AND TAKE APPROPRIATE ACTION AS NECESSARY.THIS INVESTIGATION IS CLOSED.

Additional source detail variants (4)

Structure:body:hatchback/liftgate

THIS INVESTIGATION WAS OPENED ON JUNE 23, 2008, BASED ON 34 COMPLAINTS INVOLVING EIGHT INJURIES IN WHICH THE REAR LIFTGATE GLASS HATCH ON MODEL YEAR 2004 FORD EXPLORERS OR MERCURY MOUNTAINEERS BROKE OFF AND FELL, USUALLY WHILE INDIVIDUALS WERE OPERATING THE GLASS HATCH OR LOADING OR UNLOADING ITEMS FROM THE REAR OF THE VEHICLE.FORD CONDUCTED RECALL 04V-442 IN 2004 TO ADDRESS SIMILAR PROBLEMS ON MODEL YEAR 2002 AND CERTAIN MODEL YEAR 2003 FORD EXPLORERS AND MERCURY MOUNTAINEERS.THE INFORMATION FORD PROVIDED IN RESPONSE TO ODI'S INFORMATION REQUEST LETTER INDICATED THAT FAILURES WITH 2004 VEHICLES WERE PRIMARILY LIFTGATE GLASS HATCH HINGE FAILURES RELATED TO CORROSION AT THE HINGE PIN, WHEREAS THE FAILURES THAT PROMPTED THE RECALL WITH THE EARLIER MODELS WERE PRIMARILY RELATED TO PROBLEMS WITH THE GLASS HATCH'S STRUTS OR FRACTURE OF A PRIOR HINGE DESIGN AT THE BOSS/BOLT CONNECTION AT THE GLASS.ODI'S REVIEW OF FORD'S WARRANTY, COMPLAINT, AND INJURY DATA FOR THE 2004 VEHICLES INDICATES THAT THESE RATES ARE SIGNIFICANTLY LOWER THAN THOSE FOR THE RECALLED POPULATION.A POTENTIAL DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME.ODI WILL CONTINUE TO MONITOR COMPLAINTS AND TAKE APPROPRIATE ACTION AS NECESSARY.THIS INVESTIGATION IS CLOSED.

Structure:body:hatchback/liftgate:hinge And Attachments

THIS INVESTIGATION WAS OPENED ON JUNE 23, 2008, BASED ON 34 COMPLAINTS INVOLVING EIGHT INJURIES IN WHICH THE REAR LIFTGATE GLASS HATCH ON MODEL YEAR 2004 FORD EXPLORERS OR MERCURY MOUNTAINEERS BROKE OFF AND FELL, USUALLY WHILE INDIVIDUALS WERE OPERATING THE GLASS HATCH OR LOADING OR UNLOADING ITEMS FROM THE REAR OF THE VEHICLE.FORD CONDUCTED RECALL 04V-442 IN 2004 TO ADDRESS SIMILAR PROBLEMS ON MODEL YEAR 2002 AND CERTAIN MODEL YEAR 2003 FORD EXPLORERS AND MERCURY MOUNTAINEERS.THE INFORMATION FORD PROVIDED IN RESPONSE TO ODI'S INFORMATION REQUEST LETTER INDICATED THAT FAILURES WITH 2004 VEHICLES WERE PRIMARILY LIFTGATE GLASS HATCH HINGE FAILURES RELATED TO CORROSION AT THE HINGE PIN, WHEREAS THE FAILURES THAT PROMPTED THE RECALL WITH THE EARLIER MODELS WERE PRIMARILY RELATED TO PROBLEMS WITH THE GLASS HATCH'S STRUTS OR FRACTURE OF A PRIOR HINGE DESIGN AT THE BOSS/BOLT CONNECTION AT THE GLASS.ODI'S REVIEW OF FORD'S WARRANTY, COMPLAINT, AND INJURY DATA FOR THE 2004 VEHICLES INDICATES THAT THESE RATES ARE SIGNIFICANTLY LOWER THAN THOSE FOR THE RECALLED POPULATION.A POTENTIAL DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME.ODI WILL CONTINUE TO MONITOR COMPLAINTS AND TAKE APPROPRIATE ACTION AS NECESSARY.THIS INVESTIGATION IS CLOSED.

Structure:body:hatchback/liftgate:support Device/strut

THIS INVESTIGATION WAS OPENED ON JUNE 23, 2008, BASED ON 34 COMPLAINTS INVOLVING EIGHT INJURIES IN WHICH THE REAR LIFTGATE GLASS HATCH ON MODEL YEAR 2004 FORD EXPLORERS OR MERCURY MOUNTAINEERS BROKE OFF AND FELL, USUALLY WHILE INDIVIDUALS WERE OPERATING THE GLASS HATCH OR LOADING OR UNLOADING ITEMS FROM THE REAR OF THE VEHICLE.FORD CONDUCTED RECALL 04V-442 IN 2004 TO ADDRESS SIMILAR PROBLEMS ON MODEL YEAR 2002 AND CERTAIN MODEL YEAR 2003 FORD EXPLORERS AND MERCURY MOUNTAINEERS.THE INFORMATION FORD PROVIDED IN RESPONSE TO ODI'S INFORMATION REQUEST LETTER INDICATED THAT FAILURES WITH 2004 VEHICLES WERE PRIMARILY LIFTGATE GLASS HATCH HINGE FAILURES RELATED TO CORROSION AT THE HINGE PIN, WHEREAS THE FAILURES THAT PROMPTED THE RECALL WITH THE EARLIER MODELS WERE PRIMARILY RELATED TO PROBLEMS WITH THE GLASS HATCH'S STRUTS OR FRACTURE OF A PRIOR HINGE DESIGN AT THE BOSS/BOLT CONNECTION AT THE GLASS.ODI'S REVIEW OF FORD'S WARRANTY, COMPLAINT, AND INJURY DATA FOR THE 2004 VEHICLES INDICATES THAT THESE RATES ARE SIGNIFICANTLY LOWER THAN THOSE FOR THE RECALLED POPULATION.A POTENTIAL DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME.ODI WILL CONTINUE TO MONITOR COMPLAINTS AND TAKE APPROPRIATE ACTION AS NECESSARY.THIS INVESTIGATION IS CLOSED.

Visibility:glass, Side/rear

THIS INVESTIGATION WAS OPENED ON JUNE 23, 2008, BASED ON 34 COMPLAINTS INVOLVING EIGHT INJURIES IN WHICH THE REAR LIFTGATE GLASS HATCH ON MODEL YEAR 2004 FORD EXPLORERS OR MERCURY MOUNTAINEERS BROKE OFF AND FELL, USUALLY WHILE INDIVIDUALS WERE OPERATING THE GLASS HATCH OR LOADING OR UNLOADING ITEMS FROM THE REAR OF THE VEHICLE.FORD CONDUCTED RECALL 04V-442 IN 2004 TO ADDRESS SIMILAR PROBLEMS ON MODEL YEAR 2002 AND CERTAIN MODEL YEAR 2003 FORD EXPLORERS AND MERCURY MOUNTAINEERS.THE INFORMATION FORD PROVIDED IN RESPONSE TO ODI'S INFORMATION REQUEST LETTER INDICATED THAT FAILURES WITH 2004 VEHICLES WERE PRIMARILY LIFTGATE GLASS HATCH HINGE FAILURES RELATED TO CORROSION AT THE HINGE PIN, WHEREAS THE FAILURES THAT PROMPTED THE RECALL WITH THE EARLIER MODELS WERE PRIMARILY RELATED TO PROBLEMS WITH THE GLASS HATCH'S STRUTS OR FRACTURE OF A PRIOR HINGE DESIGN AT THE BOSS/BOLT CONNECTION AT THE GLASS.ODI'S REVIEW OF FORD'S WARRANTY, COMPLAINT, AND INJURY DATA FOR THE 2004 VEHICLES INDICATES THAT THESE RATES ARE SIGNIFICANTLY LOWER THAN THOSE FOR THE RECALLED POPULATION.A POTENTIAL DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME.ODI WILL CONTINUE TO MONITOR COMPLAINTS AND TAKE APPROPRIATE ACTION AS NECESSARY.THIS INVESTIGATION IS CLOSED.

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.