pretty bad
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
6,425 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.

2004 Toyota Prius fuel system problems

fuel system problem

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2004 Toyota Prius Owner Comments

problem #2

Apr 092005

Prius 4-cyl

  • Automatic transmission
  • 8,300 miles


2004 Toyota Prius sedan. Stalls out while driving about 35 miles hour and the electric recharable battery drains. This has happened two times to me and I have taken it back to Toyota deal for this. The 1st approximately Jan -Feb time frame. Dealer could find nothing wrong. 2nd time approximately early April. Dealer said had trouble code in computer and have corrected problem but let them know if happens again or any other problem. Engine load, automatic gear shifts hard and car rolls slightly when put into park.

- Medford, MA, USA

problem #1

May 072005


  • Automatic transmission
  • 4,550 miles
1) after breaking gently to a stop, the car switched to battery-mode and reported errors, including "check engine" 2) the car would not switch back to the gasoline engine, and could only be driven at 40mph on battery to the dealer 3) the dealer reported that the error codes suggested the onboard computer had to be reset, and once it was reset the car went back to normal operation

- Ann Arbor, MI, USA

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