10.0

really awful
Crashes / Fires:
1 / 2
Injuries / Deaths:
0 / 0
Average Mileage:
96,857 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.

2011 Toyota Prius engine problems

engine problem

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2011 Toyota Prius Owner Comments (Page 3 of 3)

« Read the previous 20 complaints

problem #3

Jan 182014

Prius 4-cyl

  • 43,800 miles

A D V E R T I S E M E N T S

On Jan. 18th, 2014 I was leaving fl to return to nc, when I started up my Prius and waited for the gas engine to start, it did not want to start. It sounded like a diesel engine, making a loud knocking noise and the whole car shook. I turned the car off and then restarted it a couple of times, but did not experience the issue again. I drove back to nc and did not experience the issue at all. The car was due for maintenance, so B-4 taking it in, I researched the issue online. I found numerous people that have experienced the same problem on the "priuschat.com" web site, there were also links to youtube vids that showed the same problem. I also found that there is a tsb out for this issue, but it only covers certain vins and the dealers usually require that they can duplicate the problem B-4 they will perform the tsb. The repair is to replace the intake manifold, but this does not appear to be resolving the problem. The problem appears to have started with the 2010 model with the 1.8L motor and has yet to be resolved.

- Raleigh, NC, USA

problem #2

Oct 082012

Prius

  • 20,000 miles
The contact owns a 2011 Toyota Prius. The contact stated that she noticed a leak coming from inside the vehicle. The vehicle was taken to the dealer for diagnosis where the contact was advised that there were spiders in the HVAC drainage hose and the spiders had created a nest egg in the hose, which caused the leak. The vehicle was not repaired. The manufacturer was contacted and they advised her that the failure was not covered under her warranty. The vehicle was not repaired. The failure and current mileages were approximately 20,000. The VIN was unavailable.

- Ocean , NJ, USA

problem #1

Jan 052012

Prius

  • 3,500 miles
Started car after prolonged period of cold soak (parked for one week outside in temperatures around the freezing mark). Engine exhibited a loud knock/rattle and had a delayed throttle response as I was pulling out onto the street. Had to shut engine down (with vehicle located in street, safety concern) to stop loud knock and re-start engine. Rattle/knock had disappeared. Toyota dealership when presented with issue and Toyota issued tsb (T-sb 0012-10) on this very issue declined to perform necessary work since they were not able to "recreate" the issue. I explained that this only happened once and to replicate they would need to park it in the same conditions for a week. I cannot leave my car with them for this long and therefore this is an unreasonable request. Multiple owners have experienced this problem (as a quick search on youtube will confirm) yet Toyota is denying to fix this.

- Lambertville, NJ, USA

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