Problems · NHTSA complaints

2001 Mercury Cougar problems

Owners filed 82 complaints about the 2001 Mercury Cougar with NHTSA between Mar 2001 and Aug 2020. The most-cited component is fuel system, gasoline (18).

Complaints
82
Filed with NHTSA
Crashes
7
Reported by owners
Fires
6
Reported by owners
Injuries
5
People reported injured
Deaths
1
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Fuel system, gasoline18
  2. Electrical system12
  3. Engine and engine cooling11
  4. Power train10
  5. Visibility7
  6. Fuel/propulsion system6
  7. Air bags6
  8. Structure5
  9. Tires5
  10. Vehicle speed control3
  11. Service brakes, hydraulic3
  12. Suspension3
  13. Exterior lighting2
  14. Fuel system, other2

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 Nov 10, 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
20018
20028
20037
200418
20059
20062
20075
20083
20092
20100
20115
20123
20130
20142
20151
20162
20173
20180
20190
20204

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

Fuel system, gasoline

18 reports1 related recall
“TL* THE CONTACT OWNS A 2001 MERCURY COUGAR. THE CONTACT STATED THAT THE VEHICLE FAILED TO START-UP AFTER MULTIPLE ATTEMPTS. THE CONTACT ALSO STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE WOULD SHUTOFF AS THE OIL WARNING LIGHT WOULD ILLUMINATE ON THE INSTRUMENT PANEL. THE CONTACT HAD TAKEN THE VEHICLE TO AN INDEPENDENT MECHANIC WHERE THE FUEL SENSOR, RELAY SENSOR, FUEL INJECTION SENOR AND MULTIPLE OTHER PARTS WERE REPLACED. DESPITE MULTIPLE REPAIRS TO THE VEHICLE, THE FAILURE PERSISTED. THE MANUFACTURER HAD BEEN NOTIFIED OF THE FAILURE AND THEY INFORMED HER THAT HER VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 04V421000 (FUEL SYSTEM, GASOLINE) WHICH WAS LINKED TO HER FAILURE. A DEALER HAD NOT BEEN NOTIFIED OF THE FAILURE. THE VEHICLE HAD YET TO BE REPAIRED. THE FAILURE MILEAGE WAS 116,000.”
Owner complaint to NHTSAFiled Aug 18, 2020Fuel system, gasolineODI 11350028

Electrical system

12 reports3 fires
“WELL HEADLIGHT WIRING HARNESS IS DRY ROTTED LIKE CRAZY THE CAR LOOSES POWER WHILE EXCELERATING WHEN BELOW 3/4 OF A TANK BRAKE FLUID/CLUTCH FLUID IS LEAKING DON'T KNOW WHY AND THE BATTERY LIGHT IS ON”
Owner complaint to NHTSAFiled Apr 14, 2020Electrical system, Exterior lighting, Service brakesODI 11321150

Engine and engine cooling

11 reports3 fires
“TL*THE CONTACT OWNS A 2001 MERCURY COUGAR. WHILE DRIVING 55 MPH, THE ENGINE BEGAN MAKING A KNOCKING SOUND AND EVENTUALLY FAILED. NO WARNING LIGHTS ILLUMINATED AND THE TEMPERATURE GAUGE DID NOT INDICATE ANYTHING ABNORMAL. THE VEHICLE BEGAN SMOKING ONCE THE CONTACT PULLED OVER AND SHE NOTICED RADIATOR FLUID LEAKING. AFTER RESTARTING THE VEHICLE, ALL OF THE INSTRUMENT PANEL WARNING LIGHTS ILLUMINATED. THE CONTACT TOOK THE VEHICLE TO A MECHANIC AND THEY STATED THAT A NEW ENGINE WAS NEEDED. SHE TOOK THE VEHICLE TO MIDAS FOR A SECOND OPINION AND WAS INFORMED AGAIN THAT HER VEHICLE NEEDED A NEW ENGINE. THE CURRENT AND FAILURE MILEAGES WERE 75,000. UPDATED 02/01/08. *LJ THE HEAD GASKETS WERE LEAKING WHICH ALLOWED RADIATOR FLUID TO MIX WITH THE OIL.”
Owner complaint to NHTSAFiled Jul 30, 2007Engine and engine coolingODI 10197835

Power train

10 reports
“AFTER ALL THE PROBLEMS WITH MY 2001 COUGAR I WISH I WOULD HAVE MADE A BETTER CHOICE IN WHAT VEHICLE I BOUGHT. THE ONE RECALL THAT THEY HAD ON THE FUEL PUMP I HAD TO HAVE THAT REPLACED, BUT I AM NOT SURE THEY REALLY FIXED IT BECAUSE IT STILL HESITATED WHEN I ACCELERATING . THE LOW COOLANT LIGHT ON THE DASH WENT ON IN THE WINTER TIME WHEN I FIRST STARTED THE CAR. AFTER I DRIVING A BIT THE LIGHT WILL JUST TURN OFF. SO HOW THE AM I SUPPOSE TO KNOW WHEN THERE REALLY WAS A COOLANT PROBLEM IF THE LIGHT JUST WENT ON. THEN, THE TRANSMISSION WENT OUT AT 94,000 MILES WITH NO SIGNS OF IT GOING OUT. I WAS DRIVING ON THE HIGHWAY AT 70 MPH WHEN I PRESSED ON THE GAS PEDAL AND NOTHING HAPPENED, LIKE THE CAR WAS IN NEUTRAL. I TRIED DIFFERENT GEARS AND NOTHING. I WAS ABLE TO COAST TO THE SHOULDER OF THE ROAD AND HAD TO CALL A TOW TRUCK TO BRING THE CAR HOME AND COST $300.00. I HAD TO FIND A PLACE TO BRING THE CAR TO GET A NEW TRANSMISSION WHICH WAS AT A FORD DEALERSHIP. THEY SAID IT WOULD TAKE ABOUT 3 DAYS TO HAVE IT DONE, AND TURNED OUT TAKING 2 WEEKS BECAUSE THEY DIDN'T KNOW HOW TO PUT THE CORRECT TRANSMISSION IN THE BOX. THEY SENT TWO WRONG TRANSMISSIONS BEFORE FORD FINALLY…”
Owner complaint to NHTSAFiled May 14, 2007Fuel system, gasoline, Power train, EquipmentODI 10190620

Visibility

7 reports
“TL* THE CONTACT OWNS A 2001 MERCURY COUGAR. THE CONTACT STATED THAT THE VEHICLE STALLED WHILE DRIVING 60 MPH. THE VEHICLE RESTARTED AFTER WAITING A FEW MOMENTS. THE FAILURE RECURRED ON AN INTERMITTENT BASIS AND OCCURRED MORE FREQUENTLY OVER TIME. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER AND WAS REPAIRED UNDER THE RECALL ASSOCIATED WITH NHTSA CAMPAIGN ID NUMBER 04V421000 (FUEL SYSTEM, GASOLINE). THE FAILURE BEGAN TO RECUR APPROXIMATELY THREE MONTHS LATER. THE VEHICLE HAD NOT BEEN TAKEN BACK FOR ADDITIONAL REPAIRS. THE CONTACT ALSO STATED THAT FUEL SYSTEM FAILURES LED TO AN ALTERNATOR FAILURE, WHICH DRAINED THE VEHICLE'S BATTERY. IN ADDITION, THE CONTACT STATED THAT THE SUNROOF WAS JAMMED AND WOULD NOT LONGER OPEN. THE MANUFACTURER WAS MADE AWARE OF THE FAILURES AND OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS 90,000.”
Owner complaint to NHTSAFiled Nov 14, 2011Fuel system, gasoline, Electrical system, VisibilityODI 10435572

Fuel/propulsion system

6 reports1 fire
“TL* THE CONTACT OWNS A 2001 MERCURY COUGAR. WHILE DRIVING APPROXIMATELY 40 MPH, THE VEHICLE DECELERATED AND STALLED WITHOUT WARNING. THE CONTACT, WITH THE HELP OF OTHER DRIVERS, HAD TO PHYSICALLY PUSH THE VEHICLE OUT OF TRAFFIC TO THE SIDE OF THE ROAD. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE FUEL PUMP MOTOR BURNED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 102,000.”
Owner complaint to NHTSAFiled Jan 11, 2017Fuel/propulsion systemODI 10944316
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026

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