NHTSA owner reports · September 18, 2026 snapshot.
Service Brakes, Hydraulic complaints
31 reportsClear category filter52,179 miles · Aug 15, 2006
EquipmentPower TrainService Brakes, Hydraulic
4 ITEMS 1 - HAVE OWNED THE 2003 FORD EXPLORER FOR 7 MONTHS. WHILE TEST DRIVING, I NOTICED A HUM NOISE COMING FROM REAR TIRES. WAS TOLD IT WAS TREAD NOISE. WE TOOK IT FOR OIL CHANGE AT VERY WELL RESPECTED NATIONAL AUTOMOTIVE SERVICE SHOP. I WAS INFORMED I NEEDED TO REPLACE THE REAR HUB ASSEMBLY THAT IS WAS CRITICALLY BROKEN.…
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4 ITEMS 1 - HAVE OWNED THE 2003 FORD EXPLORER FOR 7 MONTHS. WHILE TEST DRIVING, I NOTICED A HUM NOISE COMING FROM REAR TIRES. WAS TOLD IT WAS TREAD NOISE. WE TOOK IT FOR OIL CHANGE AT VERY WELL RESPECTED NATIONAL AUTOMOTIVE SERVICE SHOP. I WAS INFORMED I NEEDED TO REPLACE THE REAR HUB ASSEMBLY THAT IS WAS CRITICALLY BROKEN. WAITING TO CONTACT LOCAL FORD DEALER FOR RESOLUTION BASED ON TSB RESEARCH I HAVE DONE. 2 - WHINING NOISE FROM AIR CONDITIONER WHEN ACCELERATING. DON'T REALLY KNOW WHAT IS GOING ON. SAW THIS ALSO ON TSB. CONTACTING LOCAL FORD DEALERSHIP. 3 - ABS LIGHT RANDOMLY COMES ON. DON'T KNOW WHY AND NO PATTERN TO WHEN. CONTACTING LOCAL FORD DEALERSHIP. 4 - CRUISE CONTROL NOT WORKING. I WAS DRIVING DOWN THE ROAD THIS WEEKEND, USING CRUISE CONTROL. STOPPED QUICKLY FOR A CAR IN FRONT OF ME. WHEN I STARTED GOING AGAIN, THE CRUISE CONTROL WOULDN'T WORK AND HASN'T WORKED SINCE THEN. I DON'T KNOW IF IT HAS TO DO WITH THE BRAKES. I NOTICED FORD RECALLED SOME CRUISE CONTROL MECHANISMS IN OTHER VEHICLES BUT NOT IN THE 2003 EXPLORER. *JB
NHTSA ODI #10165588
63,000 miles · Feb 12, 2006
Service Brakes, Hydraulic
ABS SPEED SENSOR FAILURE AT 63,000 MILES. THIS ALSO HAPPENED ON MY SON'S 2003 EXPLORER AND 2002 MERCURY MOUNTAINEER. *JB
NHTSA ODI #10150044
Mileage unknown · Nov 10, 2005
Power TrainService Brakes, Hydraulic
I HAVE A 2003 FORD EXPLORER XLT 4X4, I HAVE HAD NOTHING BUT PROBLEMS WITH IT, A FEW MONTHS AGO I TOOK IT TO THE DEALERSHIP BECAUSE THE ABS LIGHT WAS ON AND THE 4X4 WAS NOT WORKING PROPERLY, THEY SUPPOSEDLY FIXED IT AND TOLD US THEY REPLACED A SPEED SENSOR, THEY ALSO FOUND 2 REAR AXLE SEAL LEAKS AND SUPPOSEDLY FIXED THOSE, THEN …
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I HAVE A 2003 FORD EXPLORER XLT 4X4, I HAVE HAD NOTHING BUT PROBLEMS WITH IT, A FEW MONTHS AGO I TOOK IT TO THE DEALERSHIP BECAUSE THE ABS LIGHT WAS ON AND THE 4X4 WAS NOT WORKING PROPERLY, THEY SUPPOSEDLY FIXED IT AND TOLD US THEY REPLACED A SPEED SENSOR, THEY ALSO FOUND 2 REAR AXLE SEAL LEAKS AND SUPPOSEDLY FIXED THOSE, THEN IN OCTOBER OF '05 I TOOK IT IN TO THE DEALERSHIP BECAUSE IT WAS JERKING BETWEEN 30 AND 40 MPH AND UPON ACCELERATION ON HILLS NOT MENTION THAT I COULD HEAR SOMETHING HAPPENING UNDERNEATH MY VEHICLE, THEY PUT IT UP ON THE RACK AND CAME BACK OUT AND SAID THE CLUTCH IN THE REAR END WAS SCORCHED AND NEEDED TO HAVE THE WHOLE REAR END REPLACE, SO I DID BUT WHEN I WAS DRIVING IT BACK HOME AFTER THE REPAIR IT STARTED JERKING AGAIN, AND AFTER SEVERAL WEEKS OF WORRY AND WONDER ANOTHER DEALERSHIP TELLS ME THAT THE TRANSFER CASE IS BAD, MY EXPLORER IS TRYING TO ENGAGE ITSELF IN 4X4, SO NOW I AM HAVING THE TRANSFER CASE REPLACED! MY EXPLORER HAS 41,000 ON IT RIGHT NOW AND FORD HAS NOT BEEN MUCH OF A HELP, I HAVE TO PAY $1500 FOR THE TRANSFER CASE, I WILL NEVER BUY ANOTHER FORD PRODUCT, I WILL BUY A FOREIGN CAR. FORD REALLY NEEDS TO LOOK INTO ALL OF THE COMPLAINTS AND TECHNICAL SERVICE BULLETINS ON THESE VEHICLES AND I WILL DO ANYTHING I CAN TO PROMOTE THAT. *NM
NHTSA ODI #10142403
32,000 miles · Jul 24, 2005
Service Brakes, AirService Brakes, HydraulicCrash
BECAUSE THE ABS LIGHT COMES ON DURING LONG DRIVES AND REMAINS ON UNTIL WE STOP THE VEHICLE, OUR EXPLORER HAS BEEN IN THE SHOP ON 3 TIMES IN 3 STATES. WE''VE BEEN TOLD THAT WE SHOULDN''T WORRY IF THE LIGHT GOES OFF AFTER STOPPING. A ''GRINDING'' NOISE CHECKED IN COLORADO FOR 3 DAYS LAST YEAR WASN''T A PROBLEM UNTIL OUR REAR DIFFE…
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BECAUSE THE ABS LIGHT COMES ON DURING LONG DRIVES AND REMAINS ON UNTIL WE STOP THE VEHICLE, OUR EXPLORER HAS BEEN IN THE SHOP ON 3 TIMES IN 3 STATES. WE''VE BEEN TOLD THAT WE SHOULDN''T WORRY IF THE LIGHT GOES OFF AFTER STOPPING. A ''GRINDING'' NOISE CHECKED IN COLORADO FOR 3 DAYS LAST YEAR WASN''T A PROBLEM UNTIL OUR REAR DIFFERENTIAL SUDDENLY WENT "OUT," IN OHIO. IN ILLINOIS, THE ABS LIGHT CAME ON AND STAYED ON FOR THE FIRST TIME. WE WENT TO THE CLOSEST FORD DEALERSHIP, AND SINCE IT DIDN''T REMAIN LIT, WE WERE TOLD TO GET IT REPAIRED IN IOWA, SINCE IT WASN'T "MAJOR." THE ABS REAR SENSOR WAS REPLACED. THE MECHANIC SAID THAT EXPLORERS WITH DIFFERENTIAL REPLACEMENT WERE HAVING SENSOR PROBLEMS. WHEN THE DIFFERENTIAL WAS REPLACED IN OHIO, THE SERVICE REP MENTIONED A "KIT" TO REPLACE THE DIFFERENTIAL. BOTH GARAGES SEEMED CONVERSANT WITH THE ABS SENSOR AND DIFFERENTIAL PROBLEMS. THE SUV HAS BEEN MAINTAINED AT FORD DEALERSHIPS TO ENSURE SYSTEMS SERVICED BY MECHANICS AND TECHNICIANS WELL VERSED IN FORD PRODUCTS. THE ABS SENSOR LIGHT PROBLEM RECURRED IN MAY AFTER A 200 MILE ROAD TRIP, GOING OFF AFTER WE STOPPED. MY BRAKES FAILED WHEN I TRIED TO STOP WHILE TRAVELING BETWEEN 5-10 MPH,ABOUT 550+ MILES INTO AN EXTENDED ROAD TRIP. NO CITATION WAS ISSUED AS THE SHERIFF'S DEPUTY SAID THERE WERE NO SKID MARKS ON THE PAVEMENT TO INDICATE THAT I HAD "JAMMED" ON THE BRAKES. I HAD PRESSED THE BRAKE PEDAL TO THE FLOOR AND HAD NO BRAKES WHEN I HIT THE BACK OF A PENSKE MOVING TRUCK. THE ABS BRAKES AND "AUXILIARY" BRAKES FAILED ON THE VEHICLE, WITH OVER $11,000 WORTH OF DAMAGE TO THE FRONT END OF THE VEHICLE, EVEN AT A LOW RATE OF SPEED, WHICH SEEMS TO BE A PATTERN OF PROBLEMS WITH THE ABS. THE AIR BAG DIDN''T DEPLOY. I REPORTED THIS TO FORD'S CUSTOMER CARE CENTER ON 7/18/2005, GOT A REFERENCE NUMBER, AND WAS TOLD I WOULD HEAR FROM THE CONSUMER ADVISORY GROUP WITHIN 3 BUSINESS DAYS, HAVEN''T HEARD FROM THEM, YET.
NHTSA ODI #10129816
31,900 miles · May 29, 2005
Service Brakes, Hydraulic
I WAS DRIVING AT FREEWAY SPEEDS WHEN A COLLISION OCCURED IN THE LANES NEXT TO ME AND THE VEHICLES SWERVED INTO MY LANE. I SLAMED ON THE BRAKES AND THE ABS SYSTEM STARTED WORKING, THEN FAILED. THE BACK WHEELS LOCKED UP AND I FISH-TAILED, ENDING UP IN THE DIRT CENTER MEDIAN. WHEN I LOOKED AT THE DASH, THE ABS WARNING LIGHT WAS O…
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I WAS DRIVING AT FREEWAY SPEEDS WHEN A COLLISION OCCURED IN THE LANES NEXT TO ME AND THE VEHICLES SWERVED INTO MY LANE. I SLAMED ON THE BRAKES AND THE ABS SYSTEM STARTED WORKING, THEN FAILED. THE BACK WHEELS LOCKED UP AND I FISH-TAILED, ENDING UP IN THE DIRT CENTER MEDIAN. WHEN I LOOKED AT THE DASH, THE ABS WARNING LIGHT WAS ON. THE DEALERSHIP CHECKED AND FOUND THAT THE REAR ABS SENSOR FAILED (OPEN CIRCUT).
NHTSA ODI #10122432
260,000 miles · Jan 16, 2005
Service Brakes, Hydraulic
ABS LIGHT HAS BEEN ACTIVATED TWICE. I HAVE TAKEN MY VEHICLE TO THE DEALERSHIP. THE DEALERSHIP HAS REPLACED BOTH REAR ABS SENSORS ON THE VEHICLE. *NM
NHTSA ODI #10106449
22,000 miles · Nov 9, 2004
Service Brakes, Hydraulic
WHEN BRAKING BRAKE PEDAL WENT TO THE FLOOR, CAUSING EXTENDED STOPPING DISTANCE. DEALERSHIP WAS NOTIFIED, BUT DID NOT RESOLVE THE PROBLEM.*AK
NHTSA ODI #10099655
23,000 miles · Oct 21, 2004
Service Brakes, Hydraulic
WHEN APPLYING THE BRAKES THE PEDAL PROCEEDED TO THE FLOOR WITHOUT WARNING. THE DEALER STATED THIS PROCEDURE WAS NORMAL. PLEASE PROVIDE ADDITIONAL INFORMATION. *JB
NHTSA ODI #10097397
Mileage unknown · Oct 20, 2004
Service Brakes, Hydraulic
WHILE STOPPED WITH FOOT ON BRAKE, THE BRAKE PEDAL WENT TO FLOOR WHEN APPLIED. *BF CONSUMER WAS TOLD THAT THE VEHICLE WAS FUNCTIONING PROPERLY. *TC
NHTSA ODI #10097749
23,300 miles · Oct 19, 2004
Service Brakes, Hydraulic
I WAS APPROACHING A STOP SIGN AND BEGAN TO BRAKE, WHEN THE BRAKE PEDAL STARTED TO MAKE A GRINDING NOISE AND THEN WENT ALL THE WAY TO THE FLOOR. I BEGAN TO PUMP THE BRAKE AND LUCKILY ENOUGH I STOPPED BEFORE ENTERING THE INTERSECTION. IF THERE WOULD HAVE BEEN A VEHICLE IN FRONT OF ME, I WOULD HAVE HIT THEM BECAUSE THE BRAKES WOU…
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I WAS APPROACHING A STOP SIGN AND BEGAN TO BRAKE, WHEN THE BRAKE PEDAL STARTED TO MAKE A GRINDING NOISE AND THEN WENT ALL THE WAY TO THE FLOOR. I BEGAN TO PUMP THE BRAKE AND LUCKILY ENOUGH I STOPPED BEFORE ENTERING THE INTERSECTION. IF THERE WOULD HAVE BEEN A VEHICLE IN FRONT OF ME, I WOULD HAVE HIT THEM BECAUSE THE BRAKES WOULD NOT WORK. I CALLED THE FORD DEALERSHIP WHERE I PURCHASE THE EXPLORER AND THEY HAD ME CALL ROAD ASSISTANCE TO PICK UP MY VEHICLE. OF COURSE, THEY WERE NOT ABLE TO "DUPLICATE" THE PROBLEM. I WAS TOLD THAT THE ABS PROBABLY LOCKED UP BECAUSE THE STREET MAY HAVE BEEN WET, WHICH IT WAS NOT. THEN THEY SAID THAT MAYBE I WAS ON A GRAVEL OR DIRT ROAD, WHICH I WAS NOT. I WAS TOLD TO KEEP AN EYE ON IT AND IF IT HAPPENS AGAIN TO CALL ROADSIDE ASSISTANCE AND THEY WILL LOOK INTO IT AGAIN. IF THERE IS A NEXT TIME, I HOPE THERE WILL NOT BE ANYONE INJURED.
NHTSA ODI #10096073
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.