2004 Toyota Prius Fuel system Problems
- Complaints
- 13about this part
- Share
- 2%of 610 total for the year
- Median mileage
- 44,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 13 complaints about the fuel system of the 2004 Toyota Prius, 2% of the 610 complaints for this model year. Where a mileage was given, the median is 44,500 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“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.”
NHTSA complaint #11023778, filed 2017-09, 104,000 miles“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. …”
NHTSA complaint #11202903, filed 2019-04, 115,000 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. …”
NHTSA complaint #11111093, filed 2018-07, 184,000 miles“2004 Toyota Prius accelerates due to gas pedal getting stuck in the floor mat. This morning I was driving my Toyota Prius 2004 that I bought from the original owner who mentioned all recall issues were addressed by Toyota dealership. He mentioned the dealer shaved off the gas pedal to make it shorter. But today, while on I 495 going eastwards just before entering the hov lane, I pressed the gas pedal all the way down to over take another slow vehicle. The car engine kept raising noise, and car started to accelerate on its own. I braked, the car slowed a bit but engine kept running fast... …”
NHTSA complaint #10342933, filed 2010-07, 44,500 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.”
NHTSA complaint #10124921, filed 2005-06, 8,300 milesRelated service bulletins
- 10034264Aug 5, 2008Toyota: fuel tank and fuel gauge diagnostic tips. Meter/gauge/display. The design and operational characteristics of the bladder tank and fuel gauge system. Diagnostic tips for…
- 10016188May 25, 2005Fuel - fuel system (1nz-fxe). Repair manual correction. 00400-rm113-0u2. 00400-rm107-5u2.
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 1 | 6% |
| 2021 | 2 | 33% |
| 2020 | 1 | 7% |
| 2019 | 1 | 3% |
| 2018 | 2 | 5% |
| 2017 | 12 | 13% |
| 2016 | 6 | 4% |
| 2015 | 6 | 4% |
| 2014 | 5 | 2% |
| 2013 | 16 | 4% |
| 2012 | 11 | 3% |
| 2011 | 11 | 2% |
| 2010 | 71 | 3% |
| 2009 | 24 | 5% |
| 2008 | 55 | 4% |
| 2007 | 28 | 1% |
| 2006 | 20 | 1% |
| 2005 | 28 | 3% |
| 2004 | 13 | 2% |
| 2003 | 4 | 4% |
| 2002 | 5 | 3% |
| 2001 | 12 | 7% |
Other parts of the 2004 Toyota Prius
184 complaintsElectrical system
177 complaintsEngine cooling
89 complaintsBrakes
76 complaintsVehicle speed control
52 complaintsTransmission and drivetrain
34 complaintsAir bags
18 complaintsOther or unknown
18 complaintsSteering
10 complaintsVisibility (wipers, defrost, mirrors)
10 complaintsEngine
9 complaintsElectronic stability control
8 complaints
← All problems reported for the 2004 Toyota Prius
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology