2001 Mercury Cougar: common problems
Owners of the 2001 Mercury Cougar filed 82 complaints with NHTSA, most often about fuel system and electrical system. Details by component below, with sources.
Key figures
- Owner complaints
- 82
- involving a crash
- 7
What fails most often
- 1 Fuel system 24% of all complaints
- 2 Electrical system 15% of all complaints
- 3 Engine and cooling 13% of all complaints
- 4 Powertrain 12% of all complaints
- 5 Visibility 9% of all complaints
- 6 Air bags 7% of all complaints
- 7 Fuel/propulsion system 7% of all complaints
- 8 Structure 6% of all complaints
- Fuel system: 20 complaints (24% of all).
- Electrical system: 12 complaints (15% of all).
- Engine and cooling: 11 complaints (13% of all).
- Powertrain: 10 complaints (12% of all).
- Visibility: 7 complaints (9% of all).
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 2 L · petrol · 4 cyl
- 2.5 L · petrol · 6 cyl
- automatic, 4-speed
- manual, 5-speednamed in 1 complaints
Drive: FWD
Symptoms owners describe
How many of the 82 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Fuel system | 20 | 0 | 0 |
| Electrical system | 12 | 0 | 0 |
| Engine and cooling | 11 | 0 | 0 |
| Powertrain | 10 | 0 | 0 |
| Visibility | 7 | 0 | 0 |
| Air bags | 6 | 5 | 0 |
| Fuel/propulsion system | 6 | 0 | 0 |
| Structure | 5 | 0 | 0 |
| Tires | 5 | 1 | 0 |
| Service brakes | 4 | 1 | 0 |
| Suspension | 3 | 0 | 0 |
| Vehicle speed control | 3 | 1 | 0 |
| Equipment | 2 | 0 | 0 |
| Exterior lighting | 2 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
While pulling out of a parking lot vehicle suddenly/unexpectedly accelerated and lurch forward. Consumer applied the brakes hard to slow the vehicle down, allowed the vehicle to hit the curb, and turned off the ignition switch. Vehicle was towed to the dealer.
Ten minutes after having the brakes replaced and while driving 30 mph consumer applied the brake pedal and the brakes failed, causing a collision with a woman. No one was injured. The vehicle was towed to a body shop.
While driving 30 mph consumer hit a pile of sand and lost control, causing the vehicle to role twice. Vehicle landed upside down. Upon impact, airbags did not deploy. Driver sustained minor injuries.
The vehicle was involved in an accident and the air bags failed to deploy. The consumer was concerned that all bf goodrich tires failed on slippery conditions. Dot # unknown.
Vehicle was not considered a total loss, and the air bags did not deploy. Contacted dealer, and the dealer said bumper did not hit hard enough. Consumer sustained permanent injuries because of accident.
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 stated that once the fuel level reached a half tank of gasoline, the vehicle hesitated and loss motive power with the accelerator pedal depressed. The contact stated that the trans axle and check engine warning lights were illuminated.
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
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 4,021 of 36,656 model years in the NHTSA data (top 11% most complained about).
On average one model year of the Cougar has 73 complaints (26 years in the data). This year has 82, about average.
What to check before buying
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Other years of this model
- Cougar 198417 sources
- Cougar 198510 sources
- Cougar 198613 sources
- Cougar 198733 sources
- Cougar 198855 sources
- Cougar 198981 sources
- Cougar 199086 sources
- Cougar 199173 sources
- Cougar 199292 sources
- Cougar 1993195 sources
- Cougar 1994137 sources
- Cougar 1995109 sources
- Cougar 199662 sources
- Cougar 199776 sources
- Cougar 1999454 sources
- Cougar 2000211 sources
- Cougar 200295 sources
- Cougar 99994 sources
Questions and answers
What are the most common problems with the 2001 Mercury Cougar?
Owner complaints to NHTSA most often mention: fuel system, electrical system, engine and cooling. Total complaints: 82. The most frequent symptoms in complaint texts: stalls while driving (23%), fuel system, fuel smell (12%), windows, sunroof (12%).
How many service bulletins (TSB) were issued for the 2001 Mercury Cougar?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2001 Mercury Cougar from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2001 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.