IllustrationAIRBAGS FOR NOW COMPLETELY SO DOES THE AIR COMPRESSOR CARS WITHOUT AIRBAGS WENT OUT BRAKES WENT OUT RADIATOR WENT OUT COMPLETELY THE CAR IS FALLING APART
2004 Lincoln Navigator
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2004 Lincoln Navigator do not stand out strongly from the model-year median of 30.
About this comparison →How this year compares
Owner complaints by model year
Compare all Navigator years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
180–25K
525–50K
1150–75K
1175–100K
11100–150K
6150K+
62 reports with mileage · 24 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.
- Suspension. Review the 24 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Air Bags. Review the 13 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
4 crash reports2 fire reports5 injury reports
Air Bags complaints
13 reportsTHE BACK AIR BAGS ARE NOT EVEN 3 MONTHS I PIT IN THE FRONT.
VEHICLE WAS PARKED IN A PARKING LOT, DRIVER WAS TEXTING. STEERING WHEEL AIRBAG DEPLOYED FOR NO REASON. NO BUMPS, NO ACCIDENTS. UPON CHANGING AIRBAG, FOUND STEERING WHEEL AIRBAG WIRING HAD CHAFED AGAINST THE HORN MOUNT RING, AND GROUNDED OUT, CAUSING THE DEPLOYMENT.
I WAS DRIVING DOWN A COUNTY ROAD WHEN THE SIDE AIRBAGS DEPLOYED WITH NO COLLISION OR FAST BRAKING. I WAS APPROACHING A STOP SIGN AND WAS COASTING AND HAD NOT APPLIED THE BRAKES WHEN IT OCCURRED.
I HAVE A 2004 LINCOLN NAVIGATOR AND WHEN IT GETS TOO COLD THE AIRBAGS HAVE BUSTED ON ME AND THE COMPRESSOR. I HAVE OWNED THIS VEHICLE FOR 2 YEARS AND 2 YEARS IN A ROW EACH WINTER MY SUSPENSION HAS FAILED. MY WHEELS ARE RIDING RIGHT UNDER MY TIRE WALL AND IT IS GOING TO CAUSE ME TO HAVE AN ACCIDENT OR CAUSE FURTHER DAMAGE. AT $10…
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I HAVE A 2004 LINCOLN NAVIGATOR AND WHEN IT GETS TOO COLD THE AIRBAGS HAVE BUSTED ON ME AND THE COMPRESSOR. I HAVE OWNED THIS VEHICLE FOR 2 YEARS AND 2 YEARS IN A ROW EACH WINTER MY SUSPENSION HAS FAILED. MY WHEELS ARE RIDING RIGHT UNDER MY TIRE WALL AND IT IS GOING TO CAUSE ME TO HAVE AN ACCIDENT OR CAUSE FURTHER DAMAGE. AT $1000 TO FIX THESE THEY SHOULD LAST LONGER THAN 1 YEAR. PLEASE LOOK INTO THIS AND RECALL OUR VEHICLES, THE AIR SUSPENSION IS SUPPOSED TO PROVIDE A SMOOTHER RIDE NOT A ROUGH WINTER. *TR
WHILE DRIVING NORTH ON AR HWY 9 A FEW MILES SOUTH OF MALVERN, ARKANSAS WITH MY WIFE IN THE FRONT PASSENGER SEAT AND MY SON IN THE SECOND ROW DIRECTLY BEHIND ME, A LOUD BANG OCCURRED. IN THE NEXT MOMENTS I REALIZED THE SIDE CURTAIN AIR BAGS DEPLOYED ON BOTH SIDES OF THE VEHICLE, A SMELL LIKE FIREWORKS BECAME IMMEDIATELY APPARENT…
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WHILE DRIVING NORTH ON AR HWY 9 A FEW MILES SOUTH OF MALVERN, ARKANSAS WITH MY WIFE IN THE FRONT PASSENGER SEAT AND MY SON IN THE SECOND ROW DIRECTLY BEHIND ME, A LOUD BANG OCCURRED. IN THE NEXT MOMENTS I REALIZED THE SIDE CURTAIN AIR BAGS DEPLOYED ON BOTH SIDES OF THE VEHICLE, A SMELL LIKE FIREWORKS BECAME IMMEDIATELY APPARENT, AND THE DRIVER'S SIDE SUN VISOR WAS DESTROYED AND HANGING DOWN DIRECTLY IN FRONT OF ME AT AN ANGLE. I WAS ABLE TO MAINTAIN CONTROL OF THE VEHICLE AND STAY IN MY LANE OF THE TWO-LANE HIGHWAY AND SLOWED DOWN. AFTER SHORTLY REALIZING WHAT HAPPENED, I LOOKED FOR A PLACE TO PULL OVER, DID SO, AND TOOK MY POCKET KNIFE AND CUT AWAY THE SIDE CURTAIN AIRBAGS TO BE ABLE TO SEE OUT OF THE SIDE WINDOWS AND CONTINUE OUR TRIP NORTH. I FOUND THE DRIVER'S VISOR VANITY MIRROR HAD SHATTERED IN PIECES IN MY LAP AND ON THE FLOOR, ALONG WITH OTHER PARTS FROM THE VISOR WHICH NOW HUNG DOWN AT A STEEP ANGLE. BOTH THE DRIVER'S SIDE AND PASSENGER SIDE FRONT SEAT BELTS WERE DAMAGED, AND THE DRIVER'S SEAT BELT UPPER ANCHOR WOULD NO LONGER STAY LOCKED IN POSITION, SAGGING TO ITS LOWEST POSITION BY GRAVITY. LATER THAT DAY I DISCOVERED THAT THE MAP LIGHTS AND PASSENGER SIDE VISOR VANITY MIRROR LIGHT NO LONGER WORKED. I TOOK THE CAR TO THE LOCAL FORD DEALER NEAR WHERE I WAS STAYING, WHO TOLD ME THAT IT (AIR BAG SYSTEM) WAS NO LONGER COVERED BY WARRANTY. I THEN MADE AN APPOINTMENT WITH MY HOMETOWN DEALER TO FURTHER RESOLVE THE ISSUE, AND ALSO INSTIGATED A CASE WITH THE LINCOLN CUSTOMER RELATIONSHIP CENTER TO SEE IF THEY WOULD HELP. *TR
I HAVE A 2004 LINCOLN NAVIGATOR, WHICH I HAVE OWNED SINCE IT WAS NEW. WITH THE RECENT RECALL OF F-SERIES FOR DEFECTIVE AIRBAG CLOCKSPRINGS, I AM CONCERNED THAT MY NAVIGATOR WAS NOT INCLUDED. THE AIRBAG LIGHT CAME ON TWO DAYS AGO, I CYCLED THE IGNITION AND IT WENT OFF. TODAY IT CAME ON AGAIN AND STAYED ON THROUGH MANY ON/OFF …
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I HAVE A 2004 LINCOLN NAVIGATOR, WHICH I HAVE OWNED SINCE IT WAS NEW. WITH THE RECENT RECALL OF F-SERIES FOR DEFECTIVE AIRBAG CLOCKSPRINGS, I AM CONCERNED THAT MY NAVIGATOR WAS NOT INCLUDED. THE AIRBAG LIGHT CAME ON TWO DAYS AGO, I CYCLED THE IGNITION AND IT WENT OFF. TODAY IT CAME ON AGAIN AND STAYED ON THROUGH MANY ON/OFF CYCLES OF THE VEHICLE. I AM CONCERNED ABOUT INADVERTENT DEPLOYMENT ISSUES FROM A POSSIBLY DEFECTIVE CLOCKSPRING. PLEASE HELP. *TR
I OWN A 2004 LINCOLN NAVIGATOR. I HAVE HAD PROBLEMS WITH THE AIR BAG SUSPENSION SYSTEM SINCE I HAVE OWNED MY VEHICLE. WHAT HAPPENS IS WHEN IT GETS COLD THE SYSTEM FAILS TO OPERATE CAUSING THE VEHICLE TO DROP DOWN ON THE TIRES. RIPPING THEM FROM UNDER THE VEHICLE, IT DESTROYS THE TIRES AND COULD VERY EASILY CAUSE AN ACCIDENT. I …
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I OWN A 2004 LINCOLN NAVIGATOR. I HAVE HAD PROBLEMS WITH THE AIR BAG SUSPENSION SYSTEM SINCE I HAVE OWNED MY VEHICLE. WHAT HAPPENS IS WHEN IT GETS COLD THE SYSTEM FAILS TO OPERATE CAUSING THE VEHICLE TO DROP DOWN ON THE TIRES. RIPPING THEM FROM UNDER THE VEHICLE, IT DESTROYS THE TIRES AND COULD VERY EASILY CAUSE AN ACCIDENT. I HAVE HAD TO REPLACE THE TIRES MANY TIMES DUE TO THIS ISSUE. THIS WINTER ALONE IT HAS BEEN IN THE SHOP AT LEASE 6 OR 7 TIMES. THIS SYSTEM IS NO LONGER IN USE ON THE NEW NAVIGATORS. FORD HAS ISSUED NO RECALLS AND WILL NOT ASSIST ME IN GETTING THIS ISSUE RESOLVED. THEY SAID UNLESS THEY ARE FORCED TO DEAL WITH THIS BY THE NHTSA , I CAN NO LONGER AFFORD TO SPENT THOUSANDS OF DOLLARS TO RESOLVE THIS ISSUE WHICH IS CLEARLY A MFG PROBLEM. EVERYONE I KNOW WHO OWNS A NAVIGATOR WITH THIS SYSTEM HAVE GOTTEN RID OF THEM. MINE IS PAID FOR AND I CAN'T AFFORD ANOTHER VEHICLE. *TR
WHILE DRIVING DOWN THE HIGHWAY AT 70 MPH, THE SIDE AIRBAG CURTAINS IN OUR 2004 LINCOLN NAVIGATOR DEPLOYED FOR NO REASON. WE TOOK THE VEHICLE DIRECTLY TO THE FORD DEALERSHIP AND WAS TOLD THAT THE DIAGNOSTICS RAN ON IT SHOWED THAT WE HAD A COLLISION THAT CAUSED THE AIRBAGS TO DEPLOY. OUR INSURANCE ADJUSTER LOOKED AT THE VEHICLE A…
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WHILE DRIVING DOWN THE HIGHWAY AT 70 MPH, THE SIDE AIRBAG CURTAINS IN OUR 2004 LINCOLN NAVIGATOR DEPLOYED FOR NO REASON. WE TOOK THE VEHICLE DIRECTLY TO THE FORD DEALERSHIP AND WAS TOLD THAT THE DIAGNOSTICS RAN ON IT SHOWED THAT WE HAD A COLLISION THAT CAUSED THE AIRBAGS TO DEPLOY. OUR INSURANCE ADJUSTER LOOKED AT THE VEHICLE AND FOUND THAT THERE WAS NO TYPE OF COLLISION TO HAVE CAUSED THE AIRBAGS TO DEPLOY. THE DEALERSHIP INSISTS THAT WE HIT SOMETHING AND CHOOSES NOT TO REPAIR IT. INSTEAD, WE WERE TOLD THAT WE HAD TO PAY FOR IT; $6,000.00. *TR
I BOUGHT MY ONE OWNER CARFAX INCIDENT FREE 2004 LINCOLN NAVIGATOR IN APRIL 2009 , IN MAY 2009 I WAS DRIVING DOWN THE HIGHWAY AND MY SIDE CURTAIN AIRBAGS DEPLOYED ALMOST CAUSING ME TO WRECK MY VEHICLE, THE TRUCK WAS TAKEN TO THE DEALER WHERE PURCHASED , AFTER WAITING OVER A WEEK THE TRUCK WAS RETURNED WITH NO EXPLANATION THE ONLY…
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I BOUGHT MY ONE OWNER CARFAX INCIDENT FREE 2004 LINCOLN NAVIGATOR IN APRIL 2009 , IN MAY 2009 I WAS DRIVING DOWN THE HIGHWAY AND MY SIDE CURTAIN AIRBAGS DEPLOYED ALMOST CAUSING ME TO WRECK MY VEHICLE, THE TRUCK WAS TAKEN TO THE DEALER WHERE PURCHASED , AFTER WAITING OVER A WEEK THE TRUCK WAS RETURNED WITH NO EXPLANATION THE ONLY THING I WAS TOLD WAS THAT IT DID NOT FALL UNDER WARRANTY AND THEY WOULD NOT BE WILLING TO HELP. LEFT WITH NO OPTION, I AM DRIVING THE VEHICLE AS IS, I WAS NOT GIVEN ANY INFORMATION OR WARNINGS. WHILE DRIVING THE VEHICLE AGAIN ON 5/24 THE DRIVERS AIRBAG FIRED BUT DID NOT DEPLOY, AGAIN ALMOST CAUSING AN ACCIDENT. I AM CURRENTLY TAKING THE VEHICLE TO GET THE AIRBAGS TURNED OFF. *TR
Official recalls
0No 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
1DP05005 · 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.