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1990 Mercury Cougar problems

The most common problem on the 1990 Mercury Cougar is electrical system. Its complaint count is close to a typical Cougar model year.

Typical yearClose to a typical year
Owner complaints
86
Recalls
3
Service bulletins
33
Worst area
Electrical
Fuel economy
18-20mpg

The worst 1990 Mercury Cougar problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

Problems by type

Tap a problem to see which part fails, at what mileage and in which other years.

Specific symptoms reported on the 1990 Mercury Cougar

Sudden acceleration 8Fire or smoke 5Headlights 5

Recalls 3

Electrical system: ignitionReported April 25, 1996 · 7,900,000 vehicles affected
What is wrong
The ignition switch could experience an internal short circuit.
Risk
This condition could cause overheating, smoke, and possibly fire in the steering column area of the vehicle.
Remedy
Dealers will replace the ignition switch.

Recall number 96V071000 · Recall details

Visibility: windshield wiper/washer: motorReported May 6, 1991 · 125,000 vehicles affected
What is 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.
Risk
Changes in the wiper pattern or jamming of the wiperswould result in reduced driver visibilty in inclement weather conditions.
Remedy
Apply torque retention material to wiper motor studs and nuts and retorque.

Recall number 91V076000 · Recall details

Electrical system: 12v/24v/48v battery: cablesReported February 12, 1990 · 72 vehicles affected
What is wrong
Battery to starter cables are longer than specified; excessive cable length could contact engine damper pulley.
Risk
Cable protective covering and insulation could wear through and cause a direct short to ground, resulting in overheating of the cable insulation and possibly a underhood fire.
Remedy
Replace battery to starter cable with correct length cable.

Recall number 90V026000 · Recall details

See all 3 recalls for the 1990 Mercury Cougar

Defect investigations

Faulty seatbelt bucklesOpened March 27, 1995, closed July 31, 1995

There is no summary currently available

PE95019

Thrttl vlv linkage bushingOpened December 30, 1993, closed December 30, 1994

There is no summary currently available

EA93033

Thrttl vlv linkage bushingOpened August 30, 1993, closed December 30, 1993

There is no summary currently available

PE93075

Hood latches failOpened June 26, 1990, closed February 25, 1992

There is no summary currently available

EA90034

Hood latches failOpened April 11, 1990, closed June 26, 1990

There is no summary currently available

PE90073

Technical service bulletins for the 1990 Mercury Cougar 33

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

See all 33 bulletins for the 1990 Mercury Cougar

1990 Mercury Cougar fuel economy

Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.

EngineDriveCityHighwayCombined
3.8L 6‑cylRWD15-1721-2418-20

What 1990 Mercury Cougar owners say

Most recent owner complaints, unedited.

Filed Jul 19, 2018 · Electrical, Fuel system · 235,000 miles · NM

Seat belt doesn't stay locked and latch broke, automatic head lights don't work the digital instrument cluster don't work and as soon as is gets so hot it vaper locks a lot

Filed Sep 19, 2017 · Electrical · 61,800 miles · DE

After starting vehicle flickering on off of dash lights,panel completely out and now will not come back on,creating an issue driving,unable to see speed,milage gas usage,when checking under hood I was given an electrical shock,the motor was running,immediately turned off motor

Filed Sep 18, 2017 · Electrical, Engine · 60,000 miles · DE

Heavy traffic on state highway engine overheating alarm activated,incident has occured twice,in traffic,everything had to be turned off and I had to pull off of highway, other complaint dash panel lights out with definitely electrical issue,almost will not start,this occured while driving and now eill not come back on at all

Filed Jan 7, 2014 · Electrical · 89,000 miles · LA · fire

Tl* the contact owns a 1990 mercury cougar. The contact stated smoke emitted from underneath the hood when the engine was turned on and within seconds the engine was on fire. The fire department advised the fire originated at a fuse box located in the battery and alternator area. The vehicle was destroyed. The manufacturer was not made aware of the failure. The failure and current mileage was 89,000.

Filed Apr 20, 2010 · Acceleration · CT · crash · 1 injury

The consumer pressed on the accelerator and accelerated way too fast and he bolted forward striking a concrete barrier. *dt consumer sent additional letter regarding results from incident. *tgw 04/06/10 the vehicle was inspected and it was found that the throttle linkage was defective.

Filed Jul 1, 2004 · Electrical · FL

Two years ago the consumer received a recall letter the federal safety agency # 96v071000. Dealer replaced the ignition switch. One year later the recalled component failed and this time an independent shop replaced the ignition switch. Once again the ignition switch needs to be replaced. The dealer has been notified.

Filed May 6, 2002 · Electrical, Engine · NJ

The vehicle's ignition module was replaced because it was defective.

Filed Sep 25, 2001 · Visibility · MD

Passenger and driver side windows cannot remain on track. Dealer has been contacted. *ak consumer contacted dealer to see if there were any recalls on windows coming off track, dealer informed consumer that they have fixed other cougar with this problem, consumer stated she will be driving and the windows will just fall down at times, windows will just completely go down in the door, consumer has to pay someone to take the door apart to get the windows out.

Filed May 17, 2001 · Electrical · IN

Ignition went bad. Ford no longer makes the part. Please provide details.

Filed Feb 15, 2001 · Engine · IL

Heads/head gaskets had caused vehicle to over-heat as well as shut itself down during motion. Problem were brought to the attention of howard pontiac dealership as well as president, the following day used car manager dean schulatz had offered to make another even trade with me to a oldsmobile acheiva so he could put the vehicle I were currently operatting back in service and do the repair work needed to make it a safe vehicle for the road, but upon finding out that I have put this vehicle in a private repair shop he had declined to come forth with the money to do the repair work ,he would have found if he had serviced thisvehicle prior to the sale of this vehicle.

Used buying checklistWhat to check on a 1990 Mercury Cougar before you buy

Compare the 1990 Mercury Cougar

Other model years

1990199119921993199419951996199719981999200020012002

Questions about the 1990 Mercury Cougar

Is the 1990 Mercury Cougar reliable?

Owners have filed 86 complaints about the 1990 Mercury Cougar, close to a typical Cougar model year.

What is the most common problem with the 1990 Mercury Cougar?

Electrical system, with 19 complaints. Next is acceleration (18).

How many recalls does the 1990 Mercury Cougar have?

3 recalls, covering electrical system and visibility.

Was there a recall on the 1990 Mercury Cougar electrical?

Yes, 2 recalls: 96V071000, 90V026000. Check your VIN to see if your car still needs the free repair.

What year does the Mercury Cougar have the most electrical problems?

The Mercury Cougar model years with the most electrical complaints are 1999 (99 complaints), 2000 (63 complaints) and 1990 (19 complaints).

What gas mileage does the 1990 Mercury Cougar get?

Official estimates for the 1990 Mercury Cougar range from 18 to 20 mpg combined. The most efficient version (3.8L 6-cyl, RWD) gets 15-17 city and 21-24 highway.

Share your experience with the 1990 Mercury Cougar

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