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really awful
Crashes / Fires:
3 / 0
Injuries / Deaths:
1 / 0
Average Mileage:
119,389 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2007 Chevrolet Impala engine problems

engine problem

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2007 Chevrolet Impala Owner Comments (Page 2 of 2)

« Read the previous 20 complaints

problem #4

Sep 212011


  • 50,000 miles


Vehicle's transmission slips when accelerating, and also jerks when idling. This is a common issue that has been reported in multiple places by a large number of people. Issue has been increasing in frequency - making this car unsafe to drive, yet Chevrolet has not bothered to address the now obvious problem.

- Coon Rapids, MN, USA

problem #3

Apr 192011

Impala 6-cyl

  • Automatic transmission
  • miles
2007 Chevrolet Impala. Consumer states vehicle jerked while driving, the air conditioner was clucking, the engine light came on and the speedometer stopped working the dealer advised the consumer the air inlet actuator and speed sensor needed to be replaced.

- Inverness, FL, USA

problem #2

Jun 042008

Impala 8-cyl

  • Automatic transmission
  • 12,500 miles
The contact owns a 2007 Chevrolet Impala. While driving approximately 40 mph at 2,000 RPM, the contact released the accelerator pedal and the RPM immediately increased. Occasionally, the RPM will remain the same when pressure is released from the accelerator pedal. After the failure occurs, the vehicle will continue to accelerate for a few seconds. After a period of time, the RPM's will return to normal. The vehicle was taken to an authorized dealer, but they could not determine the cause of the failure. The mechanic stated that there was not a solution to correct the failure. The vehicle has not been repaired. The failure mileage was 12,500 and current mileage was 14,900. Updated 7/3/08 updated 07/03/08

- Jackson, NJ, USA

problem #1

Dec 112007

Impala 6-cyl

  • Automatic transmission
  • 11,710 miles
(1) my wife pulled into a parking space at our church and applied the brakes to stop. (2) the car continued on rolling over a concrete barrier and knocking down an ornamental iron fence surrounding the parking lot and continuing out into the street where it finally stopped. In addition to the damage to the fence, there was considerable damage to the front of the car. (3) cause of failure has not been identified. On one or two previous occasions, when pulling the car into our garage I have had the car stall and then surge forward. Car is being taken to a body shop to repair the damage.

- Tullahoma, TN, USA

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