1.5

hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
113,750 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 #4

Apr 222019

Prius

  • 115,000 miles

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

I am the owner of a 2004 Prius. After buying my car used 2 years ago I noticed that once in awhile the display, including fuel consumption, speedometer, odometer, and more, would not light up and that the car would not turn off easily several times I have been in situations where I have little gas an am unable to see my gas gauge or know how fat iam going on the highway. I understand that this was once covered by Toyota under the warranty extension but is not considered a safety concern. The warranty extension is expired. In what universe are a functioning fuel gauge and speedometer not considered a safety concern? I am also concerned that this will deteriorate further and cause an accident.

- Denver, CO, USA

problem #3

Jul 112018

Prius

  • 184,000 miles
This occurred to me yesterday while traveling 60 mph in 94 F heat on I-76 E just before the 676 / 76 split. I was traveling in the far left lane when the car suddenly lost power. Looking at the dash I noticed the shifter had moved itself into N (neutral), it would not move back into drive. I applied my hazard lights and began forced my way rightward across three lanes to the shoulder, speed rapidly decreasing and seemingly more sluggishly than a normal coast. I think the emergency brake was automatically being applied or I was fighting a braking system. One lane from the shoulder, a ups truck was headed for me from behind. Luckily, he was able to swerve into the shoulder and pass me there as he could not move left into other traffic. We only narrowly avoided a collision with me or the elevated barrier on the side of the road. I had only 10 mph left and no ability to redirect my vehicle. Once on the side of the expressway, I was able to google this well-known issue with the vehicle. I let the vehicle cool off, turned off the air conditioning, though didn't want to risk turning the vehicle off. I was concerned I would have to wait until nightfall to get back into traffic (still flowing around 60 mph and a very narrow shoulder) luckily during a small traffic backup up the road I was able to re-enter traffic at a modest speed. I crossed my fingers as the rest of my commute (another 2 miles or so) was 95% highway driving. Luckily the car held out for me to get home.

- Philadelphia, PA, USA

problem #2

Jan 262018

Prius

  • 52,000 miles
Please add this information to case no. 11065233. Leaking fuel line part no. 77251-47080 and 23901-21081. This may help future owners that could experience the same fuel leaks.

- Palm Beach Gardens, FL, USA

problem #1

Sep 162017

Prius

  • 104,000 miles
My 2004 Prius's check engine light turns on randomly wnd often and I lose full power of the car. The battery is fully charged. The car stopped 4 times today - lost all power and the brake would not stop the car.

- Port St Lucie, FL, USA

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