1991 Mercury Cougar: Recalls, Problems & MPG
Here are the deets on the 1991 Mercury Cougar: 3 recalls, 73 owner complaints and up to 20 mpg combined.
Recalls
3 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Transmission & drivetrain Vehicle recall #91V048000 · 1991 · 6,800 vehicles
What's wrong: The park rod assembly contains a park cam with inadequate surface hardness, which could lead to park disengagement or no park engagement when the lever is placed in park.
Why it matters: If park is not engaged and the parking brake is off, avehicle roll-away could result.
The fix: Replace park rod assembly on automatic transmissions.
Visibility (wipers, glass) Vehicle recall #91V076000 · 1991 · 125,000 vehicles
What's wrong: The nuts which hold windshield wiper motor to the wiper module May not have been sufficiently tightened and May loosen or come off. This causes changed wiper patterns, or the wipers May jam if two of the three nuts come off.
Why it matters: Changes in the wiper pattern or jamming of the wiperswould result in reduced driver visibilty in inclement weather conditions.
The fix: Apply torque retention material to wiper motor studs and nuts and retorque.
Electrical Vehicle recall #96V071000 · 1996 · 7,900,000 vehicles
What's wrong: The ignition switch could experience an internal short circuit.
Why it matters: This condition could cause overheating, smoke, and possibly fire in the steering column area of the vehicle.
The fix: Dealers will replace the ignition switch.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 6 mention a fire, 5 injuries and 0 deaths were reported.
What owners describe
- Engine & cooling (17): the most common themes are stalls / loses power (3), overheating (2).
- Brakes (hydraulic) (11): the most common themes are brake failure / soft pedal (3).
- Electrical (11): the most common themes are fire / smoke (7), electrical failure (6).
- Speed control / throttle (9): the most common themes are sudden acceleration (2).
The 1991 Mercury Cougar has 73 owner complaints, ranking #11 of 13 Cougar model years for complaints (well below the 129 average). Complaints peaked in 1996 (17 filed that year). The typical problem showed up when the car was about 6 years old, at a median of 95,000 miles. Neighboring years: 1990 (86 complaints, 3 recalls), 1992 (92 complaints, 3 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 3.8 L 6-cyl | Automatic 4-spd | Rear-Wheel Drive | 17 | 24 | 20 | Regular |
| 5.0 L 8-cyl | Automatic 4-spd | Rear-Wheel Drive | 16 | 22 | 18 | Regular |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 1991 Mercury Cougar.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
Books ~$30–$40 · AllAccess $34.99/moHeads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure
FAQ
Does the 1991 Mercury Cougar have any recalls?
Yes. NHTSA lists 3 vehicle recalls for the 1991 Mercury Cougar. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 1991 Mercury Cougar problems?
Owners have filed 73 complaints with NHTSA. The most-reported areas are engine & cooling (17), brakes (hydraulic) (11), electrical (11).
What gas mileage does the 1991 Mercury Cougar get?
EPA ratings run up to 20 mpg combined (3.8 L, Automatic 4-spd), across 2 engine and transmission combos.
Where can I get a 1991 Mercury Cougar repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.