Which parts fail
Components named in complaints (accelerator pedal, throttle, sudden acceleration, cruise control).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2000 Chevrolet Impala owners, lightly cleaned up (personal details are redacted by NHTSA).
Tl* the contact owns a 2000 Chevrolet Impala. The contact stated that the vehicle accelerated rapidly without warning and caused a crash. The air bags did not deploy. There were injuries sustained and medical attention was required. A police report was filed. The vehicle was not repaired. The manufacturer was not made aware of the issue. The failure mileage was 100,000.
I drove around the rear of my home which is where my garage is located. I came to a complete stop. I activated my garage opener from my vehicle. Once the garage door completed opened I took my foot off the brake pedal and all of a sudden my car accelerated to a high speed. I could not stop the car. The car jumped a 9 inch ledge and I crashed through my garage wall, and into my basement and the car finally stopped in my basement when it hit my computer desk.
The vehicle accelerated by itself as I was turning into a parking space, the engine revving so loudly a person stopped and observed the collision as the Impala crashed into a parked vehicle directly in front of it on the other side. Nothing would stop the acceleration except manually forcing the car into park.
Tl contact owns a 2000 Chevrolet Impala. While driving approximately 30 MPH the vehicle accelerated on its own. The contact applied pressure to the brake pedal and was able to stop the vehicle. The vehicle was not taken to a dealer diagnostic testing. The contact stated that she had not driven the vehicle since the failure occurred. The cruise control also deactivated on its own on a different occasion and failed to function normally. The vehicle was not repaired. The approximate failure mileage was 180,000.
2000 Chevrolet Impala. Consumer writes in regards to GM recall #14350.* ld the consumer stated prior to receiving the recall, she experienced several problems with the vehicle, such as: the gas needle stopped working, a loud thumping noise was heard, every time she attempted to start the vehicle. Also, the engine light illuminated, and it wouldn't go off. The repair shop was unable to determine the problem. The consumer was involved in an accident and the air bag did not deploy.
Cruise control came on unexpectedly. It was the 2nd such incident on this car. The car had been in cruise, but I had slowed down for a reduced speed area. When I gave it the gas, the cruise came on without the resume button being pushed. The first time, the car was not in cruise. I had just started it in a parking lot, was entering traffic, and it came on at 15 MPH. Both times, the cruise went off when I applied the brake.
Re: date complaint filed: 03/15/2011 component(s): vehicle speed control date of incident: 03/11/2011 NHTSA id number: 10390238 every once in a while my 2000 Impala with a 3400cc v6 would maintain 50mph with my foot off the gas! The cause is an intermittent malfunction of the tps sensor. It took my Impala 3 years to throw a code and after I replaced the tps, the car's throttle settled down.
I was driving into the parking lot of my place of employment. I was going slowly and all of a sudden the car accelerated to a high rate of speed and, I could not stop. I crashed into a cyclone fence, 2 central A/C units, went down a hill and nearly crashed into 2 poles . I finally stopped the car by holding the brakes and shutting the car off.
2000 Chevrolet Impala. Consumer states vehicle accelerates by itself. The consumer was involved in an accident, during a rain storm. The vehicle hydroplaned/fish-tailed in the road. The consumer struck a tree and flipped over. The air bags never deployed. The consumer suffered minor injuries.
Car keeps rolling back at idle sitting at light,took car in asst. Service manager told me tgere had been a # of complaints about the same thing,nothing they can do. Gave me a [phone]# to call explained this to them was told they had not heard anything about this either and gave me a file# and was told to keep in touch with asst. Service manger. I feel this is a saftey issue if stoped at a light and another car is on my bumper if I roll into them it could cause a real problem. Thank you in advance for looking into this matter. Dianne topping
Acceleration complaints in other Impala years
Frequently asked questions
How common are acceleration problems on the 2000 Chevrolet Impala?
NHTSA has 29 complaints about the speed control & acceleration of the 2000 Chevrolet Impala, 4% of the model year's 818 complaints. The component named most often is accelerator pedal (5 mentions).
Is there a recall for 2000 Chevrolet Impala acceleration problems?
No. NHTSA lists no speed control & acceleration recall for the 2000 Chevrolet Impala, though it has 7 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2000 Chevrolet Impala acceleration problems start?
Half of the complaints with a recorded mileage happened before about 101,000 miles.
Is it dangerous?
Owners linked 6 crashes, 0 fires and 2 injuries to speed control & acceleration problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.