While driving any speed, the vehicle would hesitate/surge forward before stalling. The consumer managed to pull over and restart the vehicle. The dealership will be notified. Please provide more information.
1999 Mercury Cougar: sudden unintended acceleration
7 of the 454 complaints about the 1999 Mercury Cougar describe sudden unintended acceleration.
- owner complaints
- 7
- of this car's complaints
- 2%
- recalls
- 1
Is there a fix? There is 1 recall and 9 service bulletins for this area of the car. See below
Sudden unintended acceleration by model year
- 20021
- 20011
- 20001
- 19997
- 19943
- 19931
- 19912
- 19908
What owners say
While driving 40 MPH and without warning, the vehicle suddenly accelerated. The consumer was able to maintain control of the vehicle and drive it to the dealer. The mechanic could not duplicate or resolve the problem. *ak the accelerator stuck as the consumer was taking a right turn. The vehicle spun around and the emergency brake was applied and the vehicle continued until the vehicle was shut off. *sc
Consumer states that throttle sticks intermittently when driving, causing unintended acceleration. Problem has been occurring for 2 years.
While driving at highway speeds, vehicle suddenly accelerates. Dealer has yet to be contacted. *ak consumer states that when the vehicle suddenly accelerates, the lights on the dashboard and the headlights go out, then the vehicle stalls it will not cut back on, dealer replaced the fuel pump and the alternator, however vehicle continued to stall, a mechanic stated that the alternator had burned and needed replacing again, alternator continues to burn and no one can figure out why.
Vehicle experiences sudden acceleration causing temporary control problems, consumer states on some occasions the accelerator will pat her foot just before it suddenly accelerates.
While driving about a low speed vehicle will suddenly accelerate without a prior warning. Consumer had taken vehicle to dealer for repairs, but dealer's personnel could not duplicate problem.
When applying brakes after pulling into a parking space, vehicle suddenly accelerated and engine began to race, causing vehicle to run into the bedroom of a townhouse. Cause unknown. *ak.et
Service bulletins that may apply
- Some vehicles may exhibit a rough idle or hesitation after a hot soak of approximately 30 minutes
- Some vehicles may exhibit a rough idle or hesitation after a hot soak at approximately 30 minutes
- Some vehicles equipped with a 2.5L engine and built after may 5, 1999 may exhibit an intermittent hard /...
- Some vehicles may experience a hoot noise from the idle idle air bypass solenoid on deceleration, usually...
- Experiencing a hoot noise from the idle idle air bypass solenoid on deceleration, usually in cold ambient...
- Information regarding speed control switch voltage readings - service tip
- Subject regarding the speed control switch voltage readings - service tip
- Some vehicles with CD4E automatic transaxle, may exhibit an objectionable sulfur or rotten egg odor from...
Related recalls
Vehicle speed control
- What is wrong
- Vehicle description: passenger vehicles. The accelerator cable may have been manufactured with a burr on or near the end of the cable sleeve interior. This burr could fray the core wire resulting in the accelerator not returning to idle when the accelerator is released.
- Risk
- This condition can result in the throttle sticking, binding, or causing high engine RPM.
- Remedy
- Dealers will install a revised accelerator cable that has a flared conduit sleeve end and molded on end fitting.
Recall number 99V194000 · Recall details
Questions about the 1999 Mercury Cougar sudden acceleration
Is sudden unintended acceleration a common problem on the 1999 Mercury Cougar?
7 of 454 owner complaints about the 1999 Mercury Cougar (2%) mention sudden unintended acceleration. The model year with the most reports is 1990.
Is there a recall or service bulletin for this on the 1999 Mercury Cougar?
There is 1 recall and 9 service bulletins for the same area of the car. Check them below with your VIN.
Other symptoms on the 1999 Mercury Cougar
Stalling 45Grinding brakes 30Check engine light 21Hesitation 18Fuel pump 16Loss of power 15Brake failure 13Tire blowout 12No deployment 11Headlights 11Sunroof shattered 10Won't start 10Door locks 9Wipers 8Jerking 7Transmission failure 7Adaptive cruise 6Engine failure 6Slipping 6ABS 5Fire or smoke 5Misfire 5Power steering loss 5Pulling 5
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