RoadVitals

1998 Ford Expedition Engine Problems

Owner-reported complaints naming the engine system, filed with NHTSA

Data refreshed

Engine reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
144
Latest May 9, 2019
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
17%
of 836 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
10
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
1

What this page shows

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components. Every record below is an owner-reported complaint about the 1998 Ford Expedition submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 144 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming engine

The 25 most recent of 144, in the owner's own words

ElectricalEngine
Filed May 9, 2019

TAKATA RECALL: THE SPARK PLUGS HAVE BLOWN OUT OF THE ENGINE BLOCK. THEY HAVE BEEN REPAIRED 3 TIMES. EACH TIME, IT SMELLS OF AN ELECTRICAL LINE IS BURNING, THE INSTRUMENT CLUSTER GOES ERRATIC AND THEY ZEROS OUT AND DOESN'T MOVE. THIS HAS HAPPENED WHILE DRIVING ON CITY AND HIGHWAYS.

NHTSA ID
11206618
Incident
Jun 13, 2015
Mileage
98,710 mi
Engine
Filed Dec 26, 2018

5.4L GAS ENGINE. SPARK PLUGS HAVE BLOWN OUT OF 2 DIFFERENT CYLINDERS IN 2 MONTHS. I HAVE FOUND ONLY THAT THIS IS A KNOWN ISSUE FOR SEVERAL MODELS WITH THIS ENGINE INCLUDING THE F-150. FORD HAD DONE NOTHING TO ADDRESS THIS FAULTY ENGINE DESIGN. BOTH TIMES MY PLUGS BLEW OUT I WAS ACCELERATING FROM A STOP WHILE TURNING LEFT.

NHTSA ID
11163573
Incident
Dec 26, 2018
Mileage
200,000 mi
ElectricalEngine
Filed Feb 4, 2017

(TAKATA RECALL) I HAVE PURCHASED MY TRUCK FROM A LEGAL CAR DEALERSHIP IN RENO NV HAD 135000 MILES WEN BOUGHT IVE HAD TO REPLACE FUEL PUMP HAD TO BUY DIFFERENT RIMS/TIRES DUE TO WEAR OF STOCK RIMS .. EXHAUST PROBLEMS REPLACED FUEL INJECTOR. . WEAR OF THING CAUSING WATER DAMAGE WHEN RAINING OUTSIDE. SPARK PLUG EJECTED FROM ENGINE WAS IN MOTION 45 MPH STATIONARY MOVING PROBLEMS ALSO N WEN TURNING.

NHTSA ID
10949552
Incident
Oct 1, 2014
Engine
Filed Oct 11, 2016

I HAVE A FORD 1998 EXPEDITION, EDDIE BAUER EDITION. IT HAS A 5.4 LITER ENGINE WITH ALUMINUM HEADS. THREE TIMES I'VE HAD A HELICOIL BLOWN OUT LEAVING ME STRANDED. NOW A SPARK PLUG HAS BLOWN OUT BREAKING TWO COILS. FORD HAS MADE THIS VEHICLE FOR YEARS WITH THIS ENGINE. ALL WITH THE SAME PROBLEMS OF COMPONENTS BLOWING OUT OF THE ENGINE. I FEEL IT IS FORD'S RESPONSIBILITY TO START A RECALL AND FIX THIS DEFECT.

NHTSA ID
10915249
Incident
Oct 1, 2016
Mileage
180,000 mi
Engine
Filed Aug 15, 2016

#2 SPARK PLUG BLEW OUT OF 5.4L 2 V V8. WAS ON HIGHWAY AT TIME. HAD TO IMMEDIATELY PULL OVER AND DISCONNECT FUEL AND SPARK FOR THAT CYLINDER. WAS OVER 100KM FROM HOME, COULDNT AFFORD TO TOW VEICLE SO I HAD TO DRIVE IT THE REMAINDER OF THE DISTANCE HOME. INSPECTED TODAY, THERE IS NO THREADS LEFT. NOW NEED TO DRILL AND TAP HEAD, INSTALL HELICOIL/TIMESERT AND HOPE FOR THE BEST.

NHTSA ID
10896138
Incident
Aug 14, 2016
Mileage
13,600 mi
ElectricalEngine
Filed Mar 30, 2016

WENT TO STORE, CAME OUT BATTERY DEAD, CAR WOULDN'T START. HAD NOT LEFT LIGHTS OR ANY ACCESSORIES ON. GOT A JUMP, DROVE TO AUTO PARTS STORE. THEY CHECKED ALTERNATOR AND BATTERY AND SAID BATTERY DEAD, NEEDED AN OVERNIGHT CHARGE. LET THEM CHARGE BATTERY, PUT BACK IN CAR, HORN STARTED BLOWING AND WOULD NOT STOP DESPITE MY USING BOTH THE KEY AND KEY FOB. HORN BLEW FOR 5 HOURS BEFORE I FOUND OUT HOW TO DISCONNECT FROM GOOGLE. GOT HORN TO STOP, AND CAR WOULDN'T START. FORD DEALER SAID ANTI-THEFT SYSTEM HAD TO BE REPROGRAMMED AT COST OF $250 PLUS TOW TO DEALER. I NEVER ARMED THE SYSTEM AND IT SHOULD NOT HAVE SHUT MY TRUCK DOWN AND PREVENTED ME FROM DRIVING IT. I DON'T HAVE $250 AND THEN I FOUND OUT THE REPAIR IS ONLY $100 AT MOST. BUT THIS ACCORDING TO MY DEALER HAPPENS TO ANY FORD ANYTIME THE BATTERY GOES DEAD AND IS REPLACED, ANTI-THEFT SYSTEM IS MAKING PEOPLE PAY $250 TO FORD TO REPROGRAM WHAT SHOULD NOT HAVE TO BE REPROGRAMMED. PLEASE HELP ME. THANK YOU. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ID
10852469
Incident
Mar 17, 2016
Mileage
203,538 mi
Engine
Filed May 18, 2015
Fire reported

TL* THE CONTACT OWNED A 1998 FORD EXPEDITION. WHILE THE VEHICLE WAS PARKED, THE ENGINE CAUGHT FIRE. THE FIRE WAS EXTINGUISHED BY THE FIRE DEPARTMENT. THE VEHICLE WAS DEEMED DESTROYED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. A POLICE REPORT WAS NOT FILED. THE APPROXIMATE FAILURE MILEAGE WAS 160,000.

NHTSA ID
10717145
Incident
May 3, 2015
Mileage
160,000 mi
Driver assistanceEngine
Filed Dec 7, 2014

WHILE I WAS DIVING AROUND 35 MPH TO 45 MPH A HORRIBLE VIOLENT SHAKE STARTS TO OCCUR. AND IS VERY DIFFICULT TO ACCELERATE ESPECIALLY ONCE YOU HIT THE FREEWAY VERY UNSAFE TO DRIVE AT SUCH SPEEDS. IT STARTS WITH A VIOLENT SHAKE WITH LOUD NOISES COMING FROM THE EXHAUST. IT HAS BLOWN 2 COILS ALREADY. *TR

NHTSA ID
10662626
Incident
Oct 1, 2014
Mileage
225,000 mi
Engine
Filed Nov 2, 2014

BLEW A SPARK PLUG, STRIPPED THE THREADS RIGHT OUT OF THE ALUMINUM HEADS (HORRIBLE DESIGN). NOT AN ISSUE FOR NEWER VEHICLES UNTIL THEY REACH 140-190,000 MILES, AND NOW I SEE ONLINE THAT IT IS A HUGE ISSUE FOR THOUSANDS OF OWNERS OF THE 4.6 & 5.4L ENGINES. BREACHING THE HEADS EXPOSES FUEL TO THE SPARK AND COULD CREATE DANGEROUS FIRES. THE FIXES ARE EITHER TEMPORARY OR VERY COSTLY, THIS SHODDY DESIGN SHOULD BE CORRECTED BY FORD NOW THAT ALL OF THESE VEHICLES ARE REACHING HIGHER MILEAGES AND STILL ON THE ROAD. FOR FORD TO SAVE A FEW BUCKS BY USING ALUMINUM HEADS IS NOT WORTH THE SAFETY OF THOUSANDS OF LOYAL CUSTOMERS WHO HAVE ALWAYS STOOD BY FORD. MY CONFIDENCE IS DEFINITELY SHAKEN BY THEIR WILLINGNESS TO COMPROMISE QUALITY AND SAFETY FOR PROFIT. *TR

NHTSA ID
10651884
Incident
Oct 30, 2014
Mileage
184,000 mi
Engine
Filed Oct 19, 2014

I HAVE A 1998 FORD EXPEDITION THE SPARK PLUGS NUMBER 3 AND 4 KEEP GOING OUT I HAVE DONE EVERYTHING I CAN OWN MY BUDGET TO TRY AND FIX BUT THE PROBLEM KEEP HAPPEN. I SMELL GAS AND SEE SMOKE THIS IS THE ONLY VEHICLE I HAVE TO GET ME AND MY DAUGHTER AROUND I NEED THIS PROBLEM FIX PERMANENTLY DON'T WONT NOTHING TO HAPPEN TO ME AND MY KID AS FAR AS TRUCK FIRE OR GAS FUMES. SO PLEASE CAN YOU GET WITH FORD TO FIX BEFORE SOMETHING BAD HAPPENS TO US.THANK YOU. *TR

NHTSA ID
10648684
Incident
Oct 19, 2014
Mileage
180,000 mi
Body & structureEngine
Filed Apr 25, 2014
Fire reported

FORD EXPEDITION CAUGHT FIRE WHILE PARKED AT WALMART STORE, IT STARTED AT DRIVER SIDE ON ENGINE AND IT TOOK A FEW MINUTES TO BURN WHOLE SUV. *TR

NHTSA ID
10585018
Incident
Mar 2, 2013
Mileage
120,000 mi
EngineFuel system
Filed Apr 1, 2013
Fire reported

WHILE DRIVING DOWN THE ROAD, MY 98 FORD EXPEDITION SPARK PLUG BLEW OUT AND CAUSED A SMALL FIRE IN THE ENGINE COMPARTMENT. *TR

NHTSA ID
10505291
Incident
Nov 14, 2012
Mileage
260,159 mi
Engine
Filed Jan 9, 2013

I HAVE THE 5.4 TRITON V8 ENGINE. I JUST HAD MY 3RD SPARK PLUG BLOW OUT IN THE LAST YEAR.THEY NEED TO RECALL THESE HEADS. LUCKILY IT HASN'T RESULTED IN AN ENGINE FIRE LIKE IT HAS FOR OTHERS. *TR

NHTSA ID
10492065
Incident
Jan 9, 2013
Mileage
125,000 mi
EngineFuel system
Filed Oct 20, 2012

SPARK PLUG KEEPS COMING OUT AND IF YOU DON'T STOP AND PULL OVER IMMEDIATELY IT CAN CAUSE A FIRE DUE TO GES COMING OUT OF THE HOLE AND GETTING ON A HOT ENGINE. *TR

NHTSA ID
10481231
Incident
Oct 14, 2012
Mileage
296,770 mi
Engine
Filed Sep 14, 2012

DRIVING DOWN THE ROAD IN OUR TOWN AND #3 SPARK PLUG BLEW OUT OF CYLINDER HEAD, HAD TO BE TRAILERED TO A FORD MECHANIC TO FIX THE PROBLEM - NEW SPARK PLUG, COIL AND CYLINDER HEAD WORK - AND I FOUND OUT THIS A VERY COMMON PROBLEM WITH THE 5.4 TRITON MOTOR!! *TR

NHTSA ID
10475395
Incident
May 21, 2012
Mileage
158,000 mi
Engine
Filed May 12, 2012

THE SPARKS PLUGS BURNT OUT THEY WERE RUINED AND I JUST HAD A TUNE UP. *TR

NHTSA ID
10458192
Incident
Apr 30, 2012
EnginePowertrain (other)
Filed Apr 2, 2012

COIL AND SPARK PLUG BLOW OUT OF ENGINE WHEN TRUCK WAS STARTED (1998). THE EXPEDITION HAS BEEN KNOWN TO HAVE THIS ISSUES AS WELL AS OTHER ISSUES. WHY IS FORD NOT TAKING RESPONSIBILITY; SO FAR ACCIDENT AVOIDED. I HAD TO REPLACE ONE COIL PACK EACH YEAR SO FAR BUT THIS WAS THE WORSE. I NEEDED THE CINDER RETREADED TO FIT THE SPARK PLUG IN. *TR

NHTSA ID
10453753
Incident
Feb 25, 2012
Mileage
175,000 mi
Engine
Filed Feb 12, 2012

#6 SPARK PLUG BLEW OUT OF CYL HEAD. REINSTALLED AND REPLACED COIL SINCE IT BROKE MOUNT. PUT BACK IN SERVICE AND NEXT PLUG IN BANK (#7) BLEW WITHIN 10 MILES AT APPROX SAME SPEED. WHEN SEARCHING THE INTERNET THIS IS A COMMON PROBLEM WITH FORDS MODULAR ENGINE PRIOR TO 04. WHEN THEY MAKE SPECIAL TOOLS AND INSERTS TO ADDRESS THE PROBLEM, FORD SHOULD PONY UP AND HAVE THE INSERTS INSTALLED AT LEAST FOR THE NORMAL LIFE EXPECTANCY OF THE ENGINE. *TR

NHTSA ID
10447543
Incident
Feb 8, 2012
Mileage
87,000 mi
Engine
Filed Feb 3, 2012

SPARK PLUG BLEW OUT WHILE DRIVING ON HIGHWAY -- VERY DANGEROUS. HAD CHILDREN IN CAR. HAD TO BE TOWED. MY MECHANIC TOLD ME THIS IS A RECURRING PROBLEM WITH THIS ENGINE--5.4L-- IN OTHER FORDS AS WELL. HE HAD ANOTHER FORD WITH SAME PROBLEM COME IN THE PREVIOUS WEEK, AND HAS SEEN SEVERAL OTHERS RECENTLY (THIS IS JUST ONE SMALL TOWN/RURAL MECHANIC). PLEASE TAKE ACTION -- IT'S A COSTLY REPAIR. *KB

NHTSA ID
10446369
Incident
Jan 30, 2012
Mileage
175,000 mi
Engine
Filed Nov 4, 2011

PLASTIC INTAKE MANIFOLD FAILURE RESULTING IN REPAIRS IN EXCESS OF $1500. *TR

NHTSA ID
10434195
Incident
Oct 21, 2011
Mileage
241,252 mi
Engine
Filed Jul 20, 2011

OUR 1998 FORD EXPEDITION WITH THE 5.4 V8 TRITON ENGINE HAD ANOTHER SPARK PLUG BLOW OUT OF THE CYLINDER HEAD. THE LAST TIME THIS HAPPENED WAS ABOUT 3 YEARS AGO, IT WAS THE #3 CYLINDER PLUG THEN AND LAST WEEK IT WAS THE #6 CYLINDER PLUG, I SEARCHED THE INTERNET CONCERNING THIS PROBLEM AND FOUND HUNDREDS IF NOT MORE OF THE SAME ISSUES, AND NO ONE IS MAKING FORD DO ANYTHING ABOUT THIS, JUST THOUGHT MY VOICE IN THIS MATTER MIGHT HELP. PLEASE IF THERE WAS EVER AN INSTANCE OF A RECALL THIS IS SURELY ONE. THIS IS GETTING VERY EXPENSIVE FOR THE AUTO OWNER, THE FIRST TIME WE HAD IT FIXED BY FORD AND IT WAS $250 AND THIS TIME IT WAS OVER $1,000. THANK YOU FOR ADDRESSING THIS ISSUE. *TR *KB

NHTSA ID
10413768
Incident
Jul 13, 2011
Mileage
144,000 mi
Engine
Filed Jul 4, 2011

APRIL 2011 FORD 5.4 LITER TRITON BLEW OUT YET ANOTHER SPARK PLUG. *TR

NHTSA ID
10410394
Incident
Apr 7, 2011
Mileage
80,638 mi
Engine
Filed Feb 7, 2011

3RD TIME WE HAVE HAD A SPARK PLUG EJECTION FROM THE PASSENGER ENGINE HEAD OF OUR 1998 FORD EXPEDITION WITH A TRITON 5.4 LITER ENGINE. I OWNED A FORD F150 AND HAD THIS SAME PROBLEM TWICE. I DID RESEARCH AND CALLED A FEW ASE MASTER MECHANICS THAT ARE RATED AS AMERICA'S #1 AND #4 MECHANICS IN THE NATION, AND WAS TOLD IT IS THE MOST COMMON PROBLEM FORDS TRITON ENGINES HAVE EVER HAD, AND THEY SEE THESE PROBLEMS ON A DAILY BASIS, YET FORD DOES NOT ACKNOWLEDGE THE PROBLEM. FORD DESPERATELY NEEDS TO RECALL THESE ENGINES, THEY ARE A HAZARD, AND THE SPARK PLUG EJECTS WITH EXPLOSIVE POWER DAMAGING NEARBY COMPONENTS ON IT'S WAY OUT OF THE ENGINE. FORD REFUSES TO ACKNOWLEDGE THIS COMMON MANUFACTURE DEFECT. TO FIX THIS PROBLEM NEW HEADS NEED TO BE INSTALLED ON THE ENGINE. THE QUICK HELICAL STYLE SLEEVE INTO THE STRIPPED SPARK PLUG THREADS HAS A FAILURE RATE OF 100%. AGAIN THIS IS A MAJOR PROBLEM AND THE MAGNITUDE CAN BE SEEN ALL OVER THE INTERNET BY SEARCHING FORDS SPARK PLUG BLOWOUTS. LITERALLY 10'S OF THOUSANDS OF FORUMS, AND INSIGHT IN THIS PROBLEM IS AVAILABLE ONLINE, EXCEPT SUPPORT FROM FORD MOTOR COMPANY. *LN

NHTSA ID
10381058
Incident
Feb 4, 2011
Mileage
120,000 mi
EngineFuel system
Filed Nov 16, 2010

I WAS DRIVING @ 70MPH DOWN INTERSTATE 10 IN SEGUINE TEXAS WHEN THE SPARKPLUG ON MY 1998 FORD EXPEDITION BLEW OUT OF THE HEAD, DESTROYING THE COIL, PLUG AND WIRE. THE VEHICLE INTERIOR FILLED WITH GAS FUMES AND THE VEHICLE STARTED TO KNOCK VERY LOUDLY. I WAS ABLE TO STOP THE VEHICLE PRIOR TO THE FUEL VAPORS IGNITING, HOWEVER THIS WAS EXTREMELY DANGEROUS AS MY WIFE AND CHILDREN WERE IN THE VEHICLE WITH ME. AFTER RESEARCHING I HAVE FOUND THAT THIS PROBLEM IS COMMON WITH THE FORD 5.4 TRITON ENGINES. THE MECHANIC I TOOK THE VEHICLE TO EXPLAINED THAT THE ALUMINUM HEADS DO NOT MESH WITH THE STEEL SPARK PLUGS AND EVENTUALLY TEAR ALL THE THREADS OUT OF THE HEAD AND SHOOT THE PLUG OUT OF THE HOLE. THE HEAD OF THE VEHICLE HAD TO BE REMOVED AND MACHINED AT A COST OF 1400$. *TR

NHTSA ID
10365947
Incident
Nov 15, 2010
Mileage
145,000 mi
Engine
Filed Oct 19, 2010

1998 FORD EXPEDITION THE SPARK PLUG BLOW OUT. *TR

NHTSA ID
10361295
Incident
Oct 8, 2010
Mileage
120,000 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Other components reported on this vehicle

Categories with enough reports to have a page of their own

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .