2004 Toyota Prius Engine Problems
- 29
- Owner complaint records in our dataset
Records are owner complaints, not a measured failure rate.
Owner complaint recordsComplaint records reflect reports in our dataset and do not measure how frequently the problem occurs across all vehicles.
Among these 29 stored complaint records:
- 1 indicate a crash
- 0 indicate injury
- 0 indicate fire
What owners report
- Gasoline · 3 records
Mileage in stored records
| Band | Records |
|---|---|
| 1–30k mi | 19 |
Complaint records
Owner-submitted complaint content, presented as stored.
Engine
Prius stalled when pulling into traffic from a stop light. All lights on the dash board were illuminated including the check engine light. Only electric drive systems was operational. I immediately pulled into a parking lot and turned the car off. Upon restart, only the check engine light was on. Was able to drive to the dealership 2 miles away. Stored error code p0a7a was identified - bulletin eg029-05. "false…
ODI 10180771
Engine
I own a 2004 toyota prius purchased on march 2nd 2004. Approximately 4 months after acquiring my vehicle i was merging onto the interstate when i experienced and ice engine failure. All the warning lights came on and i was able to pull to the shoulder of the road using the electric motor. Subsequently i rebooted the car and the engine turned over. The next day i took the prius to a toyota dealership. They had the…
ODI 10139811
Engine · Vehicle Speed Control
Dt: total breakdown of wife's 2004 prius on september 2 in fine weather one in san jose. The vehicle displayed sudden and significant loss of power while merging into the interstate. Loss of gas/engine power with failure of the internal combustion with engine to start, resulted in only electric motor propulsion and breakdown on the highway as the battery quickly went to single pink bar level within a 1/2 miles.…
ODI 10136239
Engine
Nothing special or extraordinary led up to this failure. I was driving to work at about 7:00am. The temperature outside was about 70 degrees and the car is kept in a garage every evening. In the middle of acceleration (i was going about 25mph), the car stalled and the "red triangle of death" came up on the dash, along with several warning lights. The navigation system also provided the word "problem" and a little,…
ODI 10134013
Engine · Gasoline
For the second time my 2004 prius has stalled while driving and shut down. I have attached my previous report to you when it happed in may 2005. The first time the ecu was reprogramed. This time i was driving on the freeway going 65 miles per hour on july 2, 2005 when the emergency engine lights came on on the dash board. The vehicle quickly loss power before the engine shut down. The battery meter confirmed the…
ODI 10128541
Engine
2004 toyota prius. Stalled while driving at about 40 mph. Able to restart car after driving with electric motor for a few blocks.
ODI 10127215
Engine
While driving around town and some highway, intermittently, the battery charge level will drop very low (one red bar), the battery will not charge, and the car will loose power. When the prius has power loss, the average mpg drops from the low 40's to the low 30's. The car has never stalled as per current investigation with '04 prius, but, the loss of power almost caused an accident. I have taken the car to a toyota…
ODI 10126569
Engine
Dt: vehicle stalled intermittently and lost power. *ak the consumer sold the vehicle back to the dealership. *jb
ODI 10127845
Engine
2004 toyota prius, stalled while driving. This is the second time i have taken it to the shop for this problem.
ODI 10124336
Engine
I was driving on highway 101 north in a stop-and-go traffic. I noticed that the battery level continued to drop and the gas engine failed to start to recharge the battery. I manage to slide out of the freeway and stopped on the shoulder. I could not shut off the car for about 2 minutes. I was able to restart the car after 5 minutes and the gas engine started. The display showed symbols of "check engine" and "hybrid…
ODI 10124010
Engine
While driving at 25mph, 4 trouble lights lit up on dashboard. After 1-2 more miles, the engine lost all power, despite the gas engine still running. The electric system showed no battery power. Restarting the engine didn't help, and the car had to be towed.
ODI 10123897
Engine
Driving down the road at approx 45 mph in my '04 toyota prius. The vehicle lost power and stalled in the middle of the road. Engine stopped running and battery power ran out causing the vehicle to stall.
ODI 10124040
Engine
Dt: problems began 5-10-05. Several warning lights appeared on dashboard. The vehicle experienced a loss of power. The electric motor and the battery were working correctly, however, the gas portion of the engine was not working. Dealer reported ecu was out of calibration, and was reprogrammed. Vehicle is now repaired. Driver visited a forum where she noticed there was a report in the wall street journal and she…
ODI 10122500
Engine
On 4/7/05 i was traveling on the nj parkway and all of a sudden for no reason my 2004 prius engine stalled no gas to engine only electric power then the electric power slowly in about lest than 2 minutes went to zero and then i had to coast to a safe spot to pull over on the shoulder. Luckily i was already traveling in the slow right lane, although at 5 pm rush hour its still going 65+ mph, i coasted down to 40 mph…
ODI 10123754
12v/24v/48v Battery · Engine
2004 toyota prius died at 65 mph on i-395 carpool lanes. Multiple warning lights flashed on. Was able to coast it over and restart for a mile or two when it completely died again. Was towed to springfield va toyota dealership were it was serviced. Error codes c2318 (low voltage error - power supply malfunction), battery code 8442 were reported. Also, check engine light on, found code p3791/engine won't start.…
ODI 10116069
Engine
2004 toyota prius engine stalled while driving. ***no answer required*** *ts the consumer requested reimbursement for the towing expense. *sc
ODI 10142112
Engine
I own a 2004 prius and also experienced a complete system shutdown while driving on the highway about 3 months ago. The entire gas engine shut down and all warning lights came on. The electric motor remained operational and allowed me to get off the road and into a parking lot safely. The dealer (cabe toyota - long beach, ca) gave me a brief and unsatisfactory explaination..brushing this off as a minor problem…
ODI 10121610
Engine
1) my wife was driving our 2004 toyota prius and the car had a warning light turn on on display, went to "limp" mode (slow) and suddenly stopped after 1/2 mile. 2) car could not be controlled, no power. 3) toyota towed car to shop and replaced ecu controller in area of fuel tank, ecu relay and entire fuel tank assembly. Problem has not happened again.
ODI 10129051
Engine
I was driving my 2004 toyota prius at approximately 35 mph when it suddenly stalled and the electric engine power dropped to zero. I could not get the vehicle to move and needed to have it towed to the dealer for service.
ODI 10123933
Engine
Dt: the contact owns a 2004 toyota prius. The vehicle is a hybrid. She states that while driving down the freeway at about 60 mph vehicle stalled, making it difficult for her to brake or accelerate. The dealer told her that it was a software glitch, and they knew that they had other problems with this. Toyota stated that they contacted everyone. However they did not notify everyone because she was not notified.…
ODI 10123830
Engine
Pe05029 2 times the car engine stopped for no reason at all. Dashboard lit up entirely. Both times the car restarted. Each time, fewer lights came on. Brought car in 2x- 1st time, did nothing. 2nd time, supposedly upgraded program. When 1st heard about your investigation, contacted toyota to see if we were part of the 33-- we believe it is being under-reported. Contact name: diane romanchick and paul embree.
ODI 10124409
Engine
Our 2004 prius stalled repeatedly on a drive from holland, mich., to st. Louis, mo, on dec. 26/27, 2004. The first time it happened, it was after about an hour of highway driving, when all the dashboard lights went on and the engine died. We were able to coast off the highway. After about 30 minutes on the side of the road (it was he day after christmas and a sunday, so help was not readily available), we were able…
ODI 10123887
Engine
I have a 2004 toyota prius. I have had it stall at low speed (approx 35mph) march 2004 i had it lose power at highway speed on nov 7, 2004.
ODI 10123812
Electrical System · Engine
2004 toyota prius cut off while consumer was driving at highway speeds.*mr when the consumers vehicle stalled on the highway, another motorist rear ended the consumers vehicle. *jb
Crash reported
ODI 10126863
Engine · Engine And Engine Cooling · Gasoline
1. I was driving around 30 to 40 mph and the gas engine failed suddenly during the course of normal driving, leaving only the electrical engine running. At the same time the engine failed, many lights turned on on the dashboard. 2. I was on a canyon road in the los angeles mountains when it failed, which was a single lane road each way with nowhere to pull off. Luckily, i had just reached on of the crests in the…
ODI 10123743