2001 Mercury Cougar: what breaks, and at what mileage
What breaks on the 2001 Mercury Cougar
On the 2001 Mercury Cougar, the failure owners report most often is fuel pump failure, with 10 reports on file. Across every failure mode on this year, half the dated reports were filed before 77,500 miles. Overall it scores 66 out of 100, high risk for a 2001.
High risk for a 2001 — 193rd riskiest of the 320 2001 vehicles we can rate. 103 owner reports; fleet size estimated from this year's own recall paperwork.
What owners report breaking
Owners have reported 28 named failure modes on the 2001 Mercury Cougar, and the three most-reported carry 27% of everything filed, which is an unusually even spread for one model year.
Fuel pump failure leads with 10 reports and about 0.5 per 1,000 vehicles.
Other engine problem follows with 9 reports, median 60,000 miles. 3 of those reports mention a fire.
Other fuel system problem follows with 9 reports, median 125,000 miles.
By system, the reports fall mostly into fuel (21), engine (16) and transmission (11).
At what mileage it happens
68 of the reports on the 2001 Mercury Cougar came with an odometer reading, and half of those were filed before 77,500 miles.
Cumulatively, 28% by 50,000 miles, 66% by 100,000 miles and 82% by 150,000 miles of the dated reports had been filed, with 2 filed above the top of the chart.
The busiest stretch is between 60,000 and 70,000 miles, which alone holds 12% of the dated reports.
15% of the dated reports were filed below 36,000 miles.
Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens
Showing the 12 most-reported failure modes of 28. The full list is in the table below.
How reports accumulate
Every report with an odometer reading, cumulative, from 0 to 200,000 miles. A further 2 reports came in above that, which is why the line stops short of the top. A curve that climbs early is a car with early problems, whatever its total.
- Line share of reports filed by that mileage
- Dashed the median reported mileage
What happens when these parts fail
Across the named modes, 4 mention a crash, 8 a fire and 2 an injury. Those are the words owners used in their own complaints, and NHTSA does not verify them, but they are the closest thing in this data to a measure of what a failure actually did.
The average severity weight across every report on this year is 5.25, where a stalled engine or a failed airbag weighs many times more than a rattling trim panel, and a figure this high means the reports are dominated by failures with safety consequences rather than annoyances. The weighting is set out in full on the methodology page.
What the top failures cost to put right, as editorial estimates for an independent US shop rather than figures from NHTSA: fuel pump failure at $600–$2,600, other engine problem at $300–$4,000, other fuel system problem at $300–$2,200 and other wheel or tire problem at $200–$1,500. Dealer labour, a seized bolt or a part that is no longer made can push any of these past the top of its range.
32% of the reports on this year sit in the engine, transmission, drivetrain or cooling systems — the four where a repair bill is usually four figures.
Every reported failure mode
| Failure mode | System | Reports | With reading | 25th | Median | 75th | Per 1,000 | Typical repair | Severity |
|---|---|---|---|---|---|---|---|---|---|
| Fuel pump failure | fuel | 10 | 7 | — | 52k | — | 0.5 | $600–$2,600 | High |
| Other engine problem | engine | 9 | 5 | — | 60k | — | 0.4 | $300–$4,000 | High |
| Other fuel system problem | fuel | 9 | 6 | — | 124k | — | 0.4 | $300–$2,200 | High |
| Other wheel or tire problem | wheels | 7 | 1 | — | 148k | — | 0.3 | $200–$1,500 | High |
| Sunroof failure or glass breakage | body | 6 | 5 | — | 55k | — | 0.3 | $700–$4,500 | High |
| Other powertrain problem | transmission | 6 | 2 | — | 52k | — | 0.3 | $400–$4,500 | High |
| Other electrical problem | electrical | 5 | 3 | — | 50k | — | 0.2 | $250–$2,000 | Moderate |
| Stalling while driving | engine | 4 | 4 | — | 90k | — | 0.2 | $300–$2,500 | Critical |
| Complete transmission failure | transmission | 4 | 1 | — | 48k | — | 0.2 | $2,800–$8,000 | Critical |
| Wheel bearing or hub failure | drivetrain | 4 | 4 | — | 67k | — | 0.2 | $350–$1,200 | Moderate |
| DPF, EGR or DEF system failure | emissions | 4 | 4 | — | 80k | — | 0.2 | $800–$5,000 | High |
| No-start or intermittent start failure | engine | 3 | 3 | — | 129k | — | 0.1 | $200–$1,800 | Moderate |
| Wiring harness or short circuit | electrical | 3 | 3 | — | 173k | — | 0.1 | $400–$3,500 | High |
| Headlight failure or clouding | lighting | 3 | 3 | — | 178k | — | 0.1 | $150–$1,800 | Moderate |
| Other visibility problem | glass | 3 | 3 | — | 87k | — | 0.1 | $150–$1,400 | Moderate |
| Radiator or coolant leak | cooling | 2 | 1 | — | 75k | — | 0.1 | $350–$1,900 | High |
| Ignition switch, key fob or immobilizer failure | electrical | 2 | 2 | — | 98k | — | 0.1 | $250–$1,500 | High |
| Loss of braking | brakes | 2 | 1 | — | 13k | — | 0.1 | $400–$3,000 | Critical |
| Other body or interior problem | body | 2 | 1 | — | 66k | — | 0.1 | $200–$2,000 | Moderate |
| Torque converter failure | transmission | 1 | 1 | — | 38k | — | 0.0 | $1,100–$3,200 | High |
| Fuel leak or fuel odor | fuel | 1 | 1 | — | 99k | — | 0.0 | $300–$2,500 | Critical |
| Fuel tank, filler or EVAP failure | fuel | 1 | 1 | — | 200k | — | 0.0 | $250–$1,800 | Moderate |
| Alternator or charging system failure | electrical | 1 | 1 | — | 37k | — | 0.0 | $450–$1,600 | High |
| Airbag failed to deploy in a crash | airbag | 1 | 0 | — | — | — | 0.0 | $1,000–$5,000 | Critical |
| Control arm, ball joint or bushing failure | suspension | 1 | 1 | — | 33k | — | 0.0 | $400–$2,200 | High |
| Wiper or washer failure | glass | 1 | 1 | — | 25k | — | 0.0 | $120–$800 | Moderate |
| Other suspension problem | suspension | 1 | 0 | — | — | — | 0.0 | $350–$2,000 | Moderate |
| Other speed control problem | adas | 1 | 1 | — | 20k | — | 0.0 | $250–$2,000 | Critical |
| Unclassified problem | other | 6 | 2 | — | 83k | — | 0.3 | — | Moderate |
Rate per 1,000 uses a fleet-size estimate derived from recall paperwork for this exact model year. It is a lower bound. Repair costs are typical independent-shop ranges for the failure, not figures from these reports.
How often, against how many were built
Scaled by an estimate of how many of these cars exist, the 2001 Mercury Cougar draws about 4.7 per 1,000 vehicles, which puts it in the 81st percentile of complaint rates among 2001 vehicles we can rate.
That denominator is the weakest number on the page and it is fair to say so plainly. Rate per 1,000 uses a fleet-size estimate derived from recall paperwork for this exact model year. It is a lower bound.
The working figure is 22,150 vehicles. If the true number is twice that, every rate on this page is half what it says; the ranking against other 2001 vehicles, which is what the risk score uses, is far more robust than the rate itself.
What owners wrote
Verbatim from NHTSA complaint narratives, trimmed for length. The odometer reading is the one the owner gave.
Fuel pump failure
Fuel pump failure - fuel pump had been replaced previously (with an oem ford one), while driving on i95 near dc in heavy traffic, pump died, causing car to stall, almost causing a multi car accident while trying to merge thru traffic to reach the breakdown lane. Dealer replaced fuel pump (52,000 miles). Now at 61,000 the pump is dying again. *la
I have experienced loss of power as if my car was not getting gas several times in the past 1 1/2 years. Dealer replaced the dpfe unit. Good for 4 months. Stalled out. We replaced the fuel filter. Did not work, still experienced the problem. Stalled out on the road again, had to be towed. Took to dealer again. They replaced the dpfe unit again. Still experiencing the problem. Also, experienced a problem with the fuel registering after filling the car up, it still read empty. Still having the problem with hesitation and stalling out. The dealer is going to replace the fuel pump. Since I received the letter of recall.
Other engine problem
While driving 15 MPH, the vehicle began to hesitate and then it stalled, the consumer was unable to restart the vehicle. The vehicle was towed to the dealer. The dealer was unable to duplicate the problem. *jb
I have a smell in the car after aggressive driving, and the tsb # is 00252 and NHTSA is 616819. What is causing this smell, it just started. Also what is NHTSA # 10004066 tsb # 17174. Hesitation I know, what is making it hesitate. *tr
Other fuel system problem
Tl*the contact owns a 2001 mercury cougar. While attempting to make a turn and/or when driving forward, the vehicle shuts off. The failure occurs intermittently and at various speeds. The vehicle must be restarted and operates normally until the next occurrence. No warning lights are illuminated prior to the failure. The failure was included in a recall for the fuel system, gasoline, but the contact had the recall repair performed two years ago. The manufacturer informed her that since the repairs were made under the recall, she would be responsible for the cost of the new repairs. The recall number was unknown. The failure mileage was 102,000 and current mileage was 109,000.
Tl* the contact owns a 2001 mercury cougar. The contact stated that she received notification of NHTSA campaign id number: 04v421000 (fuel system, gasoline) and took the vehicle to the dealer for inspection. The technicians stated that they could not complete the repair because she had not experienced the failure. The contact stated that the fuel system failed and she attempted to have the vehicle repaired but the parts needed for the recall repairs were not available. The vehicle was not repaired. The manufacturer was notified and stated that she would have to wait until the parts had become available. The failure mileage was 111,000. Updated 12/06/12*lj updated 12/07/2012 *js
Recalls on the 2001 model year
NHTSA has issued 3 recall campaigns covering the 2001 Mercury Cougar, affecting an estimated 22,492 vehicles. A recall is a different kind of evidence from a complaint: it is the regulator and the manufacturer agreeing that something has to be fixed, and the fix is free for as long as the car exists.
The campaigns cover suspension, service brakes, hydraulic and fuel system, gasoline. Whether the work was actually done on the car in front of you is a question only the VIN can answer, and the manufacturer or NHTSA will answer it free.
Recalls also distort complaint counts. Publicity about a campaign reminds owners that complaining is possible, so reports for a recalled component often spike after the recall rather than before it.
SUSPENSION
6,903 vehicles 2008-04-14- Defect
- Federal mogul is recalling 6,903 aftermarket ball joint assemblies shipped between november 9, 2007 and march 26, 2008, which may have been packaged with incorrect nuts. The part numbers packaged with incorrect nuts are: k7147, k7329, k8683, and 104353. These parts were made for use on the various vehicles listed above.
- Consequence
- The nuts included in the packaging for these ball joint assemblies are missing the intended prevailing torque (self-locking) feature. If the incorrect nut was to become loose, the joining members may loosen leading to a separation of the ball joint. This may result in loss of vehicle control, possibly resulting in a vehicle crash.
- Remedy
- Federal mogul will notify owners and replace the parts free of charge. The recall began on may 22, 2008. Owners can contact federal mogul at 877-489-6659.
SERVICE BRAKES, HYDRAULIC
7,440 vehicles 2006-03-13- Defect
- Certain aftermarket brake hydraulic master cylinders sold as replacement brake cylinders for certain ford, daimlerchrysler, and jeep passenger vehicles. These brake cylinders were sold under the brand names of napa, raybestos, aimco, AC delco, carquest, bendix, and wagner. Only products that were manufactured from july 27, 2005 through january 17, 2006 (date codes 0529 through 0602) are subject to this recall. When subject to very cold temperatures, an internal seal in the master cylinder could lose flexibility and may cause brake fluid to leak.
- Consequence
- Loss of brake fluid can lead to a decrease in brake line pressure and an increase in stopping distance, which can result in a vehicle crash.
- Remedy
- Affinia (brake parts, inc.) will replace the subject brake hydraulic master cylinders free of charge. The recall began on march 20, 2006. Owners can contact affina group customer service at 1-800-323-0354.
FUEL SYSTEM, GASOLINE
88,600 vehicles 2004-08-30- Defect
- On certain passenger vehicles, contamination of the filter in the fuel delivery module (fdm) can reduce, and eventually block, the flow of fuel to the engine.
- Consequence
- This may cause engine hesitation, loss of power, surging, and other similar symptoms. Over time, the filter may become sufficiently blocked to cause the engine to stall, which could result in a crash.
- Remedy
- This action is deemed a safety improvement campaign and is not being conducted under the safety act. All owners will be notified of the problem, and dealers will replace the fdm with a new design at no charge if the owner reports that the vehicle exhibits any of the identified symptoms. The free replacement will be available for a period of 10 years following the original purchase of the vehicle, with no mileage limit. The campaign began on april 16, 2004. Owners should contact ford at 1-800-392-3673.
Recall work is free at a franchised dealer regardless of the car's age. Check the VIN at nhtsa.gov/recalls before assuming it was done.
How it ranks in the 2001 field
The score at the top of the page, placed among its peers. The zones are the same thresholds the scorer applies, read out of the scorer itself, so the picture and the band word cannot disagree.
Scores are ranked within the model year, never across years, because an older car has had longer to accumulate reports.
- Left fewer and less serious reports
- Right more, or worse
- Marker this vehicle
Where 2001 sits in the model line
High risk for a 2001 — 193rd riskiest of the 320 2001 vehicles we can rate. Every score on this site is a rank inside its own model year, which is what makes a 2004 and a 2019 comparable at all.
Across the 6 model years of this car that carry enough reports to score, 1997 comes out best at 59 and 1999 worst at 69, with 2001 itself at 66.
If the model year is negotiable, 1997 scores lower than 2001 by a margin worth acting on. Same body, same engines, different luck — usually a supplier change or a mid-cycle fix, which the complaint data can show but never explain.
Within the 1996–2002 generation specifically, 1997 is the strongest year at 59 and 1999 the weakest at 69.
Scores compare each year against other cars of the same model year, so a low number on an older car is a real result and not an artefact of age.
Shorter is better. Years with too few reports to score are shown without a bar rather than as a zero, because no data is not good news.
Within the 1996-2002 generation, 1997 Mercury Cougar scores best at 59 and 1999 Mercury Cougar worst at 69.
What this page cannot tell you
103 owner reports; fleet size estimated from this year's own recall paperwork. Every count on this page is therefore a floor: it is the number of owners who went to the trouble of filing with a federal agency, which is a small and self-selected fraction of the owners who had the fault.
Of those 103 reports, 68 carried an odometer reading, so the mileages here describe 66% of the sample rather than all of it. Owners also round: readings pile up on multiples of ten thousand, which is why this site publishes "about 90,000 miles" and not "91,438".
Named failure modes come from matching phrases in the complaint text, so a badly worded complaint can land in the wrong bucket. The effect washes out across hundreds of reports and does not wash out across five.
And nothing here predicts what one car will do. These are other people's complaints, filed years apart, on cars maintained by strangers. Read the page as a map of where this model year has previously gone wrong, then have the specific car in front of you inspected.
Questions this page answers
What are the most common problems with the 2001 Mercury Cougar?
The most-reported failures are fuel pump failure (10 reports, median 50,000 miles), other engine problem (9 reports, median 60,000 miles) and other fuel system problem (9 reports, median 125,000 miles). Counts come from owner complaints filed with NHTSA, which are voluntary, so they show what owners bothered to report rather than every fault that occurred.
Is the 2001 Mercury Cougar reliable?
It scores 66 out of 100 on our risk index, which is high — 193rd riskiest of the 320 2001 vehicles we can rate. The score is a comparison against other 2001 vehicles, not a prediction about any individual car, and it is built from complaint rates, severity and how early failures appear.
Which year of the Mercury Cougar is best?
Within the 1996–2002 generation, 1997 scores best at 59 out of 100 and 1999 worst at 69. Same body, same engines, different luck.
Where this comes from. Every figure above is computed from NHTSA owner complaints and recall records for this exact make, model and year. Complaints are voluntary and self-selected, so treat counts as a floor. The methodology page writes out each formula, and the same numbers are available as JSON.
What breaks at my mileage Compare with another car
Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt Published by AtWhatMileage How every figure is computed