NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
69 reportsClear category filterMileage unknown · Jul 31, 2013
Engine And Engine CoolingPower TrainStructure
2003 FORD EXPLORER. CONSUMER WRITES IN REGARDS TO HUMMING/WHINING NOISE IN THE REAR END OF VEHICLE AND A FREQUENT LEAK IN THE DIFFERENTIAL. *SMD THE CONSUMER STATED SEVERAL COMPONENTS SUCH AS THE RING AN PINION, BEARINGS, SEALS AND GEAR AND PINION WERE ALL REPLACED. HOWEVER, THE ISSUE REMAINED UNRESOLVED. ALSO, THE REAR HAT…
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2003 FORD EXPLORER. CONSUMER WRITES IN REGARDS TO HUMMING/WHINING NOISE IN THE REAR END OF VEHICLE AND A FREQUENT LEAK IN THE DIFFERENTIAL. *SMD THE CONSUMER STATED SEVERAL COMPONENTS SUCH AS THE RING AN PINION, BEARINGS, SEALS AND GEAR AND PINION WERE ALL REPLACED. HOWEVER, THE ISSUE REMAINED UNRESOLVED. ALSO, THE REAR HATCH WAS CRACKED. WHEN THE CONSUMER INQUIRED ABOUT A REPLACEMENT AND ITS COST, THE DEALER ADVISED AGAINST THE REPLACEMENT/REPAIR AS THE NEW HATCHES HAD THE SAME PROBLEM. THE VEHICLE OVERHEATED AND HAD TO BE TOWED TO THE DEALER. A DIAGNOSIS REVEALED A DAMAGED THERMOSTAT HOUSING.
NHTSA ODI #10532496
117,100 miles · Apr 2, 2012
Engine And Engine Cooling
TRANSMISSION LIGHT FLASHING AND I AM TOLD THE TRANSMISSION NEEDS TO BE REPLACED OR REBUILT. THIS TRANNY SHOULD BE MORE DURABLE, FORD IS BETTER THAN ALL THE COMPLAINTS I HAVE READ ONLINE ABOUT THIS SITUATION. *TR
NHTSA ODI #10453749
53,070 miles · Dec 16, 2011
Engine And Engine Cooling
RATTLING NOISE IN 4.0 LITER-SOHC 2003 FORD EXPLORER XLT. DEALER REPLACED REAR TENSIONER. NOISE REMAINED. DIAGNOSIS SAID ENGINE NOISE IS COMING FROM REAR CASSETTE AND POSSIBLY FRONT ONE. ENGINE WOULD HAVE TO BE REMOVED AND TAKEN APART TO REPLACE TIMING CHAIN CASSETTES FOR @ $4K. THE CAR ONLY HAS 53,070 MILES ON IT. ONLINE SEARCH …
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RATTLING NOISE IN 4.0 LITER-SOHC 2003 FORD EXPLORER XLT. DEALER REPLACED REAR TENSIONER. NOISE REMAINED. DIAGNOSIS SAID ENGINE NOISE IS COMING FROM REAR CASSETTE AND POSSIBLY FRONT ONE. ENGINE WOULD HAVE TO BE REMOVED AND TAKEN APART TO REPLACE TIMING CHAIN CASSETTES FOR @ $4K. THE CAR ONLY HAS 53,070 MILES ON IT. ONLINE SEARCH VERIFIES AN OBVIOUS ISSUE PATTERN AND COMPLAINTS TO AN INFERIOR QUALITY CASSETTE MATERIAL REQUIRING LABOR INTENSIVE ENGINE REMOVAL REPAIR. *TR
NHTSA ODI #10440172
13,000 miles · Dec 2, 2011
Engine And Engine Cooling
TIMING CHAIN BROKE, WITH NO WARNING, BENT ALL THE VALVES AND WASN'T EVEN DRIVING IT. HAD JUST STARTED THE CAR IN THE GARAGE AND BACKED OUT OF DRIVEWAY WITH CAR IDLING VERY ROUGH. PULLED BACK IN DRIVEWAY AND OIL WAS POURING OUT UNDERNEATH, DUE TO CHAIN HAD BUSTED THE VALVE COVER. WELL HAD TO PULL THE MOTOR, REPLACED GUIDES, CASSE…
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TIMING CHAIN BROKE, WITH NO WARNING, BENT ALL THE VALVES AND WASN'T EVEN DRIVING IT. HAD JUST STARTED THE CAR IN THE GARAGE AND BACKED OUT OF DRIVEWAY WITH CAR IDLING VERY ROUGH. PULLED BACK IN DRIVEWAY AND OIL WAS POURING OUT UNDERNEATH, DUE TO CHAIN HAD BUSTED THE VALVE COVER. WELL HAD TO PULL THE MOTOR, REPLACED GUIDES, CASSETTES, AND TENSIONERS, WITH 2000.00 JUST IN PARTS ALONE. HAD CAR BACK FROM MECHANIC NOT EVEN 3 WEEKS AND ENGINE STARTED KNOCKING AS IF A ROD WAS KNOCKING. WENT BACK TO MECHANIC AND TENSIONERS WERE THE CAUSE OF TIMING-CHAIN "CLANK". APPARENTLY THEY (FORD) DESIGNED THESE TENSIONERS WITH "PLASTIC" GUIDES WHICH SHRED OFF INTO THE HYDRAULIC TENSIONER PICK UP TUBE THEREFORE CLOGGING UP THE HOLE FOR OIL TO GET TO CHAIN AND WILL CONTINUE TO DO SO UNLESS YOU GET UPDATED TENSIONERS DIRECTLY FROM FORD AT 100.00 EACH. THERE ARE 3 TIMING CHAINS AND MULTIPLE TENSIONERS AS WELL, WHICH CONTINUE TO GO OUT AFTER 30,000 MILES AND NEED REPLACING, WHICH MOST CAN BE REPLACED WITH MOTOR IN BUT SOME CANT THEREFORE I HAVE HAD MOTOR OUT TWICE NOW, AT 2500.00 EACH TIME. THERE WAS AN ONP TO OWNERS BUT FORD WOULD ONLY COVER COST UP TO 100,000 MILES AND ONLY IF OWNERS COMPLAINED!! OTHERWISE THEY WOULD NOT FIX!!! WELL THIS IS A BAD DESIGN ON FORDS PART WITH PLASTIC TENSIONERS TO GUIDE YOUR TIMING CHAIN!!! NOW THEY HAVE UPDATED WITH A TOUGHER NYLON "PLASTIC". BUT HAVE NOT RECALLED THE OLD ONES SO UNLESS YOU ORDER DEALER PARTS YOU RECEIVE THE OLD PARTS WHICH ARE NO GOOD AND WILL END UP MAKING YOU SPEND MORE MONEY AND FOR THE LAST 12MONTHS, I HAVE HAD MY CAR 3 WEEKS DUE TO CANT AFFORD THE ENORMOUS REPAIR BILL, WHICH FORD KNEW ABOUT ALL ALONG, BUT FAILED TO RECALL PLASTIC PARTS UNLESS SOMEONE COMPLAINED. ACCORDING TO MY RESEARCH IT HAS BEEN AN ONGOING PROBLEM SINCE THE 1996-2006 YEAR MODEL EXPLORES WITH 4.0 SOHC V-6 MOTORS. SOMETHING DEFINITELY NEEDS TO BE DONE!!! *TR
NHTSA ODI #10438051
140,000 miles · Dec 2, 2011
Engine And Engine Cooling
TOOK EXPLORER TO DEALERSHIP TO GET THE TRANSMISSION FLUID CHECKED AND GOT A CALL FROM THE DEALERSHIP THAT THE SPARK PLUG HAD BLOWN OUT OF THE ENGINE AND STRIPPED THE THREADS IN THE HEAD BUT NOT ON THE SPARK PLUG. *TR
NHTSA ODI #10438045
93,000 miles · Aug 31, 2011
Engine And Engine Cooling
TL* THE CONTACT OWNS A 2003 FORD EXPLORER. THE CONTACT STATED WHEN SHE STARTED HER VEHICLE IT WAS IDLING IT WAS VERY ROUGH. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO ADVISED HER THAT THE TIMING CHAIN FRACTURED AND NEEDED TO BE REPLACED. THE MANUFACTURER ALSO ADVISED HER TO NO LONGER DRIVE THE VEHICLE UNDER THOSE COND…
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TL* THE CONTACT OWNS A 2003 FORD EXPLORER. THE CONTACT STATED WHEN SHE STARTED HER VEHICLE IT WAS IDLING IT WAS VERY ROUGH. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO ADVISED HER THAT THE TIMING CHAIN FRACTURED AND NEEDED TO BE REPLACED. THE MANUFACTURER ALSO ADVISED HER TO NO LONGER DRIVE THE VEHICLE UNDER THOSE CONDITIONS. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED AND OFFERED NO ASSISTANCE. THE FAILURE AND CURRENT MILEAGE WAS APPROXIMATELY 93,000.
NHTSA ODI #10422750
108,000 miles · Aug 19, 2011
Engine And Engine CoolingUnknown Or Other
TIMING CHAIN TENSIONER FAILURE WITH VALVE COVER DAMAGE PROVOKING OIL LEAK AND HEAVY SMOKE OUT OF THE ENGINE, WICH LEAD TO SPILL OF OIL IN THE HIGHWAY (OIL DROPPING) AND ENGINE OUT OF SEQUENCE DUE TO A PLASTIC "CASSET" TENSION BREAK, I HAVE READ OVER THE INTERNET ALOT OF COMPLAINS ABOUT THE SAME INCIDENT
NHTSA ODI #10421728
70,000 miles · Jul 2, 2011
Engine And Engine CoolingCrash
CAR STARTED TO ACCELERATE IN REVERSE AND STRUCK ANOTHER VEHICLE WHILE BRAKE WAS APPLIED TO NO AVAIL. *TR
NHTSA ODI #10410308
107,000 miles · May 10, 2011
Engine And Engine CoolingStructure
MY 2003 FORD EXPLORER LIMITED BLEW A SPARK PLUG RIGHT OUT OF THE ENGINE. VERY SCARY & VERY LOUD WHILE GOING TO THE GROCERY STORE. I THOUGHT FOR SURE THE ENGINE BLEW. *TR
NHTSA ODI #10399762
135,000 miles · Sep 27, 2010
Electrical SystemEngine And Engine CoolingLatches/locks/linkages
THERE HAVE BEEN MULTIPLE PROBLEMS WITH MY 2003 FORD EXPLORER SINCE I BOUGHT IT BRAND NEW IN AUGUST OF 2003. BUT IRONICALLY THEY HAVE ALL APPEARED AFTER THE WARRANTY HAD EXPIRED. IN SEPTEMBER 2007 THE AIR CONDITIONING UNIT NO LONGER WORKED. IT COST ME $2000 AND A WEEK WITHOUT A CAR, TO GET IT FIXED. IN AUGUST 2009 THE PASSENG…
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THERE HAVE BEEN MULTIPLE PROBLEMS WITH MY 2003 FORD EXPLORER SINCE I BOUGHT IT BRAND NEW IN AUGUST OF 2003. BUT IRONICALLY THEY HAVE ALL APPEARED AFTER THE WARRANTY HAD EXPIRED. IN SEPTEMBER 2007 THE AIR CONDITIONING UNIT NO LONGER WORKED. IT COST ME $2000 AND A WEEK WITHOUT A CAR, TO GET IT FIXED. IN AUGUST 2009 THE PASSENGER DOOR WINDOW WOULD NO LONGER WORK. IN SEPTEMBER 2009 MY SUV STARTED MAKING A CLICKING SOUND WHEN TURNING ON THE HEATER. SINCE WE LIVED IN A WARM CLIMATE THIS DID NOT CONCERN US MUCH, AS THE HEAT HAD WORKED EVEN WITH THE CLICKING SOUND. BUT WE MOVED TO A COLDER CLIMATE AND THE HEATER WENT OUT IN MARCH 2010. IN APRIL 2010 THE SERVICE ENGINE LIGHT CAME ON. AFTER SPEAKING WITH THE MECHANIC, HE SAID IT WAS A TRANSMISSION PROBLEM THAT OCCURRED WHEN THE CAR SHIFTED FROM 1ST TO 2ND GEAR AND FROM 4TH TO 5TH GEAR. HE COULD NOT GIVE ME ANY MORE INFORMATION AND WAS NOT WILLING TO FIX MY TRANSMISSION PROBLEM (HE SUGGESTED I GO ELSEWHERE BECAUSE HE WAS NOT AN EXPERT IN TRANSMISSIONS). IN MAY 2010 THE O/D LIGHT STARTED FLASHING OFF. AFTER SPEAKING TO MECHANIC AGAIN, HE SAID IT WAS RELATED TO THE TRANSMISSION PROBLEM. IN AUGUST 2010 THE DOOR AJAR LIGHT STARTED COMING ON RANDOMLY, EVEN WHEN THE DOOR IS NOT OPEN. AND IN SEPTEMBER 2010, I NOTICED MY ABS LIGHT WILL COME ON RANDOMLY. IT DOES NOT APPEAR TO BE TRIGGERED BY ANY SPECIFIC REASON, AND DOES NOT ALWAYS COME ON. *TR
NHTSA ODI #10357758
NHTSA investigations
3EA09013 · 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.
PE09020 · Vehicle Rollaway Allegations
Opened Apr 21, 2009 · Closed Aug 19, 2009
Status: closed (inferred from source dates) · Steering; Steering:column; Steering:column LOCKING:ANTI-THEFT Device
IN RESPONSE TO AN INFORMATION REQUEST (IR) LETTER SENT BY THE OFFICE OF DEFECTS INVESTIGATION (ODI), FORD STATED CONSUMER REPORTS OF HIGHER THAN EXPECTED EFFORTS WHEN SHIFTING INTO AND OUT OF PARK COULD BE A RESULT OF A GROOVE BEING WORN INTO THE SWING ARM RAMP OF THE STEERING COLUMN. THE SWING ARM IS A COMPONENT BOLTED TO THE STEERING COLUMN THAT ASSISTS IN SHIFTING THROUGH THE TRANSMISSION GEARS.AN ENGINEERING EVALUATION CONDUCTED BY FORD OF RETURNED STEERING COLUMNS FOUND THE GROOVE COULD BE CREATED OVER TIME IF CONSUMER SHIFT MORE QUICKLY FROM THE DRIVE OR REVERSE TO PARK THAN THE BRAKE SHIFT INTERLOCK (BSI) SOLENOID PIN RETRACTS AFTER THE BRAKE PEDAL IS APPLIED. IN NOVEMBER OF 2004, FORD RELEASED A REDESIGNED BSI SOLENOID WITH A SHORTER PIN RETRACTING TIME AS A SERVICEABLE COMPONENT. FORD HAS NOTED THE SHORTER RETRACTION TIME SIGNIFICANTLY LESSENS THE LIKELIHOOD OF BSI SOLENOID PIN TO SWING ARM CONTACT EVEN WITH RAPID CONSUMER SHIFTS.FORD ALSO ISSUED A TECHNICAL SERVICE BULLETIN, TSB 04-22-12, TO INSTRUCT SERVICE TECHNICIANS ON THE PROPER DIAGNOSIS AND VEHICLE REPAIR. REVIEWING COMPLAINTS TO ODI AND DATA SUBMITTED BY FORD, ODI HAS IDENTIFIED 200 ALLEGED INCIDENTS OF UNINTENDED VEHICLE MOVEMENT AFTER CONSUMERS BELIEVE THEY HAVE SHIFTED THE VEHICLE INTO PARK, RESULTING IN 85 ALLEGED CRASHES AND 32 ALLEGED INJURIES.IN ADDITION TO THE REPORTS OF ALLEGED INCIDENTS OF UNINTENDED VEHICLE MOVEMENT, ODI HAS ALSO IDENTIFIED 883 REPORTS OF CONSUMERS ALLEGING DIFFICULTY OR THE INABILITY TO SHIFT THE VEHICLE INTO PARK.THIS PRELIMINARY EVALUATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA09-013) TO FURTHER ASSESS THE SCOPE, FREQUENCY AND RISK TO MOTOR VEHICLE SAFETY OF THE ALLEGED DEFECT IN THE SUBJECT VEHICLES.
Additional source detail variants (3)
Steering:column
IN RESPONSE TO AN INFORMATION REQUEST (IR) LETTER SENT BY THE OFFICE OF DEFECTS INVESTIGATION (ODI), FORD STATED CONSUMER REPORTS OF HIGHER THAN EXPECTED EFFORTS WHEN SHIFTING INTO AND OUT OF PARK COULD BE A RESULT OF A GROOVE BEING WORN INTO THE SWING ARM RAMP OF THE STEERING COLUMN. THE SWING ARM IS A COMPONENT BOLTED TO THE STEERING COLUMN THAT ASSISTS IN SHIFTING THROUGH THE TRANSMISSION GEARS.AN ENGINEERING EVALUATION CONDUCTED BY FORD OF RETURNED STEERING COLUMNS FOUND THE GROOVE COULD BE CREATED OVER TIME IF CONSUMER SHIFT MORE QUICKLY FROM THE DRIVE OR REVERSE TO PARK THAN THE BRAKE SHIFT INTERLOCK (BSI) SOLENOID PIN RETRACTS AFTER THE BRAKE PEDAL IS APPLIED. IN NOVEMBER OF 2004, FORD RELEASED A REDESIGNED BSI SOLENOID WITH A SHORTER PIN RETRACTING TIME AS A SERVICEABLE COMPONENT. FORD HAS NOTED THE SHORTER RETRACTION TIME SIGNIFICANTLY LESSENS THE LIKELIHOOD OF BSI SOLENOID PIN TO SWING ARM CONTACT EVEN WITH RAPID CONSUMER SHIFTS.FORD ALSO ISSUED A TECHNICAL SERVICE BULLETIN, TSB 04-22-12, TO INSTRUCT SERVICE TECHNICIANS ON THE PROPER DIAGNOSIS AND VEHICLE REPAIR. REVIEWING COMPLAINTS TO ODI AND DATA SUBMITTED BY FORD, ODI HAS IDENTIFIED 200 ALLEGED INCIDENTS OF UNINTENDED VEHICLE MOVEMENT AFTER CONSUMERS BELIEVE THEY HAVE SHIFTED THE VEHICLE INTO PARK, RESULTING IN 85 ALLEGED CRASHES AND 32 ALLEGED INJURIES.IN ADDITION TO THE REPORTS OF ALLEGED INCIDENTS OF UNINTENDED VEHICLE MOVEMENT, ODI HAS ALSO IDENTIFIED 883 REPORTS OF CONSUMERS ALLEGING DIFFICULTY OR THE INABILITY TO SHIFT THE VEHICLE INTO PARK.THIS PRELIMINARY EVALUATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA09-013) TO FURTHER ASSESS THE SCOPE, FREQUENCY AND RISK TO MOTOR VEHICLE SAFETY OF THE ALLEGED DEFECT IN THE SUBJECT VEHICLES.
Steering:column LOCKING:ANTI-THEFT Device
IN RESPONSE TO AN INFORMATION REQUEST (IR) LETTER SENT BY THE OFFICE OF DEFECTS INVESTIGATION (ODI), FORD STATED CONSUMER REPORTS OF HIGHER THAN EXPECTED EFFORTS WHEN SHIFTING INTO AND OUT OF PARK COULD BE A RESULT OF A GROOVE BEING WORN INTO THE SWING ARM RAMP OF THE STEERING COLUMN. THE SWING ARM IS A COMPONENT BOLTED TO THE STEERING COLUMN THAT ASSISTS IN SHIFTING THROUGH THE TRANSMISSION GEARS.AN ENGINEERING EVALUATION CONDUCTED BY FORD OF RETURNED STEERING COLUMNS FOUND THE GROOVE COULD BE CREATED OVER TIME IF CONSUMER SHIFT MORE QUICKLY FROM THE DRIVE OR REVERSE TO PARK THAN THE BRAKE SHIFT INTERLOCK (BSI) SOLENOID PIN RETRACTS AFTER THE BRAKE PEDAL IS APPLIED. IN NOVEMBER OF 2004, FORD RELEASED A REDESIGNED BSI SOLENOID WITH A SHORTER PIN RETRACTING TIME AS A SERVICEABLE COMPONENT. FORD HAS NOTED THE SHORTER RETRACTION TIME SIGNIFICANTLY LESSENS THE LIKELIHOOD OF BSI SOLENOID PIN TO SWING ARM CONTACT EVEN WITH RAPID CONSUMER SHIFTS.FORD ALSO ISSUED A TECHNICAL SERVICE BULLETIN, TSB 04-22-12, TO INSTRUCT SERVICE TECHNICIANS ON THE PROPER DIAGNOSIS AND VEHICLE REPAIR. REVIEWING COMPLAINTS TO ODI AND DATA SUBMITTED BY FORD, ODI HAS IDENTIFIED 200 ALLEGED INCIDENTS OF UNINTENDED VEHICLE MOVEMENT AFTER CONSUMERS BELIEVE THEY HAVE SHIFTED THE VEHICLE INTO PARK, RESULTING IN 85 ALLEGED CRASHES AND 32 ALLEGED INJURIES.IN ADDITION TO THE REPORTS OF ALLEGED INCIDENTS OF UNINTENDED VEHICLE MOVEMENT, ODI HAS ALSO IDENTIFIED 883 REPORTS OF CONSUMERS ALLEGING DIFFICULTY OR THE INABILITY TO SHIFT THE VEHICLE INTO PARK.THIS PRELIMINARY EVALUATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA09-013) TO FURTHER ASSESS THE SCOPE, FREQUENCY AND RISK TO MOTOR VEHICLE SAFETY OF THE ALLEGED DEFECT IN THE SUBJECT VEHICLES.
Steering
IN RESPONSE TO AN INFORMATION REQUEST (IR) LETTER SENT BY THE OFFICE OF DEFECTS INVESTIGATION (ODI), FORD STATED CONSUMER REPORTS OF HIGHER THAN EXPECTED EFFORTS WHEN SHIFTING INTO AND OUT OF PARK COULD BE A RESULT OF A GROOVE BEING WORN INTO THE SWING ARM RAMP OF THE STEERING COLUMN. THE SWING ARM IS A COMPONENT BOLTED TO THE STEERING COLUMN THAT ASSISTS IN SHIFTING THROUGH THE TRANSMISSION GEARS.AN ENGINEERING EVALUATION CONDUCTED BY FORD OF RETURNED STEERING COLUMNS FOUND THE GROOVE COULD BE CREATED OVER TIME IF CONSUMER SHIFT MORE QUICKLY FROM THE DRIVE OR REVERSE TO PARK THAN THE BRAKE SHIFT INTERLOCK (BSI) SOLENOID PIN RETRACTS AFTER THE BRAKE PEDAL IS APPLIED. IN NOVEMBER OF 2004, FORD RELEASED A REDESIGNED BSI SOLENOID WITH A SHORTER PIN RETRACTING TIME AS A SERVICEABLE COMPONENT. FORD HAS NOTED THE SHORTER RETRACTION TIME SIGNIFICANTLY LESSENS THE LIKELIHOOD OF BSI SOLENOID PIN TO SWING ARM CONTACT EVEN WITH RAPID CONSUMER SHIFTS.FORD ALSO ISSUED A TECHNICAL SERVICE BULLETIN, TSB 04-22-12, TO INSTRUCT SERVICE TECHNICIANS ON THE PROPER DIAGNOSIS AND VEHICLE REPAIR. REVIEWING COMPLAINTS TO ODI AND DATA SUBMITTED BY FORD, ODI HAS IDENTIFIED 200 ALLEGED INCIDENTS OF UNINTENDED VEHICLE MOVEMENT AFTER CONSUMERS BELIEVE THEY HAVE SHIFTED THE VEHICLE INTO PARK, RESULTING IN 85 ALLEGED CRASHES AND 32 ALLEGED INJURIES.IN ADDITION TO THE REPORTS OF ALLEGED INCIDENTS OF UNINTENDED VEHICLE MOVEMENT, ODI HAS ALSO IDENTIFIED 883 REPORTS OF CONSUMERS ALLEGING DIFFICULTY OR THE INABILITY TO SHIFT THE VEHICLE INTO PARK.THIS PRELIMINARY EVALUATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA09-013) TO FURTHER ASSESS THE SCOPE, FREQUENCY AND RISK TO MOTOR VEHICLE SAFETY OF THE ALLEGED DEFECT IN THE SUBJECT VEHICLES.
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.