really awful
Crashes / Fires:
45 / 1
Injuries / Deaths:
21 / 1
Average Mileage:
27,758 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.

2008 Toyota Prius engine problems

engine problem

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2008 Toyota Prius Owner Comments (Page 7 of 7)

« Read the previous 20 complaints

problem #7

Jul 122009


  • 18,800 miles


I own a 2008 Toyota Prius. On 12jul2008 I was returning home and driving on hwy 70 East, near goldsboro, nc. I was traveling at a speed of approx 55-60 mph. The vehicle was in cruise control. The traffic was getting heavy and I had to slow down. So I put on the brakes and the cruise control did not respond or disengage at that time. So I kept applying pressure on the brake pedal and pulled off of the roadway. When I lifted my foot off of the brake pedal the vehicle again wanted to accelerate. I had to turn the ignition system off and wait a short time. I re-started the vehicle and every seem to be ok. On 13jul09 I had the vehicle checked out by a Toyota of new bern, and they couldn't find anything wrong with the vehicle. They stated they would open a case on it and notify there company. I just wanted to write this notice in case it happens again to me or someone else.

- New Bern, NC, USA

problem #6

Apr 042009


  • 5,000 miles
I drive a 2008 Toyota Prius. As I was driving out of the gas station and stepped on the accelerator, the car continued going faster. The brake did not work, the only way the car stopped was by hitting another car. See also 10265332.

- Laguna Hills, CA, USA

problem #5

May 152009


  • 3,000 miles
The contact owns a 2008 Toyota Prius. While driving 50 mph, the vehicle accelerated to a high speed and would not slow down. The contact depressed the brake pedal, but the vehicle still would not stop. He had to push the power button in order to turn off the vehicle. The vehicle was able to be restarted, but it would not reset itself. The vehicle was towed to the dealer and is currently being repaired. The VIN was unknown. The failure mileage was 3,000.

- Boston, MA, USA

problem #4

Apr 042009


  • 6,000 miles


The contact owns a 2008 Toyota Prius. While driving 20 mph, the accelerator in the vehicle launched the vehicle into oncoming traffic. The contact crashed into another vehicle. A police report was filed and there were no injuries. He does not want to drive the vehicle again and feels that the issue should be taken seriously by the manufacturer. The failure and current mileages were 6,000. See also 10273044.

- Laguna Hills, CA, USA

problem #3

Sep 032008


  • 200 miles
On a slight incline, with front wheels turned, car started normally then accelerated by itself and was difficult to stop with both feet on brake pedal. Acceleration was not suddenly fast but was increasing when I turned car into gravel drive leading up a hill. Car stopped with braking and was successfully turned off in the manner required by manual. Car restarted and no further problem was experienced.

- Palmyra, VA, USA

problem #2

Aug 172008


  • 7,250 miles
The contact owns a 2008 Toyota Prius. While driving 75 mph with the cruise control activated, the contact accelerated past 80 mph to pass another vehicle. The vehicle would not slow down afterwards and accelerated past 90 mph. She depressed the brake pedal, but the cruise control would not disengage. The contact attempted to tap the brake pedal and shut off the cruise control manually, but was unsuccessful. She managed to pull to the shoulder of the road and shut off the engine. Upon restarting, the vehicle accelerated again without depressing the accelerator pedal. She attempted to reset the cruise control to 60 mph, but it would not respond. The contact waited 30 minutes before restarting the vehicle and it appeared to have moved from the locked position of acceleration. The failure and current mileages were less than 7,250.

- Salt Lake City, UT, USA

problem #1

Aug 082008


  • 10,000 miles
I have a 2008 Toyota Prius with 10K miles on it. Several weeks ago while driving 65 on the highway, the cruise control kicked out and the car rapidly decelerated, almost like it was braking. I could not re-set the cruise control again until after stopping and restarting the car. The problem has again happened 3 more times in the past week. Auto dealership says they cannot do anything about it unless I bring it in and can recreate the problem. Very dangerous when cruise control kicks out and people are driving closely behind me.

- Gilman, WI, USA

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