Problems · NHTSA complaints

1998 Ford Mustang problems

Owners filed 320 complaints about the 1998 Ford Mustang with NHTSA between Dec 1997 and May 2021. The most-cited component is engine and engine cooling (91).

Complaints
320
Filed with NHTSA
Crashes
51
Reported by owners
Fires
22
Reported by owners
Injuries
39
People reported injured
Deaths
1
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Engine and engine cooling91
  2. Fuel system, gasoline31
  3. Seat belts24
  4. Vehicle speed control23
  5. Steering23
  6. Power train23
  7. Suspension18
  8. Parking brake18
  9. Air bags16
  10. Electrical system16
  11. Tires13
  12. Service brakes, hydraulic13
  13. Seats10
  14. Structure9

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Oct 27, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
19971
199829
199969
200033
200140
200223
200320
200437
200523
200611
200710
20081
20095
20104
20113
20122
20131
20142
20151
20161
20171
20180
20191
20201
20211

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Engine and engine cooling

91 reports4 crashes7 fires
“THE PLASTIC INTAKE MANIFOLD CRACKED AND LEAKED COOLANT ONTO THE ENGINE AND OTHER RELATED COMPONENTS. CAR DIED ON FREEWAY. THE PLASTIC INTAKE MANIFOLD CRACKS. THE COOLANT WILL LEAK ONTO THE TOP OF THE BLOCK AND THEN DOWN THE BACK OF THE ENGINE. THIS INTAKE DESIGN IS A KNOWN DEFECT BY FORD. BELOW IS AN "OWNER NOTIFICATION LETTER" FROM FORD: 97M91 APRIL, 1999 FORD MOTOR COMPANY IS PROVIDING A NO-CHARGE SERVICE PROGRAM NUMBER 97M91, TO OWNERS OF CERTAIN 1996 THROUGH 1998 CROWN VICTORIA TAXI, TOWN CAR LIMO PREP & DELIVERY PACKAGE, 1996 AND 1997 THUNDERBIRD, COUGAR AND MUSTANG VEHICLES EQUIPPED WITH 4.6L SOHC ENGINES. THIS SERVICE PROGRAM PROVIDES ADDITIONAL COVERAGE FOR THE INTAKE MANIFOLD. REASON FOR THIS PROGRAM FATIGUE CRACKS MAY DEVELOP IN SOME OF THE COMPOSITE INTAKE MANIFOLDS USED ON THE 4.6L SOHC ENGINES INSTALLED IN THE AFFECTED CARS. THIS CONDITION MAY RESULT IN ENGINE COOLANT LEAKAGE WHICH, IF NOT DETECTED OR IGNORED, WILL CAUSE ENGINE OVERHEATING. COMPLETE LOSS OF COOLANT MAY RESULT IN ENGINE DAMAGE OR ENGINE FAILURE. WHAT WE WILL DO IF THE ENGINE OF YOUR CAR SHOULD DEVELOP A COOLANT LEAK AT THE INTAKE MANIFOLD CROSS OVER COOLANT PASSAGE, LOCATED DIRECTLY…”
Owner complaint to NHTSAFiled Feb 2, 2012Engine and engine coolingODI 10446283

Fuel system, gasoline

31 reports2 crashes2 fires2 related recalls
“FILLER NECK TO TANK GASKET RIPPED AND LEAKING FUEL. CAUSES FUEL TO POUR FROM THE VEHICLE ON LEFT HAND TURNS WITH FULL TANK OF FUEL. HIGH PROBABILITY OF AN AUTO FIRE DUE TO THIS CONDITION. *TR”
Owner complaint to NHTSAFiled May 10, 2011Fuel system, gasolineODI 10399778

Seat belts

24 reports5 crashes
“PASSENGER SIDE SEATBELT WILL NOT. WORK , CANNOT PULL OUT TO USE IT... THE REPAIR SHOP IS HAVING A HARD TIME FINDING. A RETRACTOR. MECHANISM....MY FAMILY CANNOT SIT IN THE FRONT PASSENGER SEAT. RIGHT NOW”
Owner complaint to NHTSAFiled Oct 3, 2019Seat beltsODI 11265842

Vehicle speed control

23 reports7 crashes4 fires1 related recall
“I WAS BRAKING AT A RED LIGHT BEHIND A TOYOTA PRIUS. WHEN I HAD ALMOST COMPLETELY STOPPED, MY CAR LURCHED FORWARD, WITH MY FOOT STILL ON THE BRAKE. I LIFTED MY FOOT FROM THE BRAKE FOR AN INSTANT, THEN SLAMMED THE BRAKE PEDAL DOWN, STOPPING MY CAR JUST A COUPLE INCHES FROM SLAMMING INTO THE CAR IN FRONT OF ME. *TR”
Owner complaint to NHTSAFiled May 6, 2014Vehicle speed control, Service brakesODI 10586767

Steering

23 reports7 crashes1 related recall
“THERE HAS BEEN A SIGNIFICANT LOSS IN STEERING STABILITY. EVERYTHING FROM THE POWER STEERING PUMP TO THE RACK AND PINION SHOW NO SIGNS OF LEAKING. I'VE HAD THE PS LINES REPLACED AS WELL AS THE PS PUMP, BECAUSE IF THE LACK OF STABILITY AND THE PROBLEM STILL PERSISTS. PS FLUID HAS BEEN REPLACED AND BLED. AND THE PUMP IS STILL VERY LOUD (IT WAS ALWAYS LOUD, THE NEW PUMP IS THE SAME WAY. BUT THAT'S MORE ANNOYING THAN A SAFELY CONCERN). I'LL BE DRIVING DOWN THE STREET AND ON THE HIGHWAY AND THE CAR WILL SUDDENLY VEER TO THE LEFT OR RIGHT. CAR HAS NEW TIRES AND HAS BEEN ALIGNED RECENTLY. *TR”
Owner complaint to NHTSAFiled May 22, 2009SteeringODI 10269724

Power train

23 reports2 crashes
“DT*: THE CONTACT STATED, THE ENGINE OVERHEATED DUE TO CRACKS IN THE HEAD GASKET, CAUSING THE TRANSMISSION TO SLIP. THERE WAS AN ACCIDENT ON 6/20/06 DUE TO THE TRANSMISSION SLIPPAGE. IT WAS RAINING AND THE RATE OF SPEED WAS 30MPH. NO INJURIES INCURRED BUT MINOR DAMAGE TO THE OTHER VEHICLE WAS REPORTED IN THE POLICE REPORT.”
Owner complaint to NHTSAFiled Jun 28, 2006Engine and engine cooling, Power trainCrash reportedODI 10160961
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 27, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.