RoadVitals

2004 Toyota Prius Fuel system Problems

Owner-reported complaints naming the fuel system system, filed with NHTSA

Data refreshed

Fuel system reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
13
Latest Apr 22, 2019
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
2%
of 610 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
0
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
0

What this page shows

Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks. Every record below is an owner-reported complaint about the 2004 Toyota Prius submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 13 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming fuel system

Shown in the owner’s own words, exactly as filed

Driver assistanceElectricalFuel system
Filed Apr 22, 2019

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.

NHTSA ID
11202903
Incident
Apr 22, 2019
Mileage
115,000 mi
Driver assistanceEngineFuel system
Filed Jul 12, 2018

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.

NHTSA ID
11111093
Incident
Jul 11, 2018
Mileage
184,000 mi
Fuel system
Filed Jan 29, 2018

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.

NHTSA ID
11065659
Incident
Jan 26, 2018
Mileage
52,000 mi
Driver assistanceElectricalFuel system
Filed Sep 16, 2017

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 ID
11023778
Incident
Sep 16, 2017
Mileage
104,000 mi
Fuel system
Filed Nov 17, 2010

2004 TOYOTA PRIUS. CONSUMER WRITES REGARDING RECALL ACCELERATOR PEDAL INTERFERENCE *TGW THE CONSUMER STATED HE HAS RECEIVED TWO RECALL LETTERS. HE STATED HE IS PLEASED WITH HIS VEHICLE AND IS SKEPTICAL ABOUT LETTING THE DEALER WORK ON HIS VEHICLE. *JB THE CONSUMER STATED THE GAS GAUGE WAS INOPERATIVE, TO THE POINT WHERE GAS WOULD LEAK OUT AFTER FILLING THE TANK. THE DEALER INFORMED HIM, THEY SIMPLY DID NOT KNOW HOW TO FIX THE PROBLEM. UPDATED 12/01/11. *JB

NHTSA ID
10366288
Incident
Nov 1, 2010
Driver assistanceFuel system
Filed Jul 13, 2010

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... I REALIZED THIS IS POTENTIALLY SAME ISSUE THAT PEOPLE REPORTED ON PRESS AND WITH LOT OF STRUGGLE TRYING TO BRAKE AND SLOW DOWN, REALIZED AND PUT THE CAR INTO N, NEUTRAL POSITION. I AM LUCKY TO KNOW THIS FROM MEDIA REPORTS, OTHERWISE I WOULD HAVE BEEN ANOTHER DEAD GUY ON A PRIUS! WHILE I WAS STILL ON HIGHWAY, NEEDING TO MAINTAIN SPEED I PUT THE CAR BACK ON DRIVE MODE, D AND THE PROBLEM CONTINUED. I REALIZED, I CAN LIFT THE GAS PEDAL WITH MY LEFT FOOT, AND SUCCEEDED IN UNTANGLING THE PEDAL FROM THE FLOOR MAT. AFTER I DID THAT IT WAS FINE. I ARRIVED AT WORK, BUT WITH EXTREME SHOCK AND DISAPPOINTMENT. I AM WONDERING HOW THIS PROBLEM CAN STILL REMAIN AFTER A RECALL REPAIR IS DONE ON THIS VEHICLE. THIS IS COMPLETELY UNACCEPTABLE AND MY LIFE WAS IN TOTAL RISK AND I SURVIVED TODAY PURELY BECAUSE OF MY TECHNICAL SKILLS AND KNOWLEDGE ABOUT THIS CAR ISSUE. I AM AN ENGINEER IN PROFESSION, A MECHANICAL ENGINEER WITH A MASTERS DEGREE AND I UNDERSTOOD HOW TO REACT. IF IT WAS FOR MY OTHER FAMILY MEMBERS IN THIS SITUATION THE OUTCOME WOULD HAVE BEEN TOTALLY DIFFERENT. I AM VERY VERY DISAPPOINTED WITH TOYOTA CORPORATION AND ALSO WITH YOU, THE NHTSA FOR NOT MAKING SURE THAT ALL PRIUS OUT THERE ARE SAFETY COMPLIANT. THIS IS REALLY TERRIBLE ! ...BECAUSE ITS A KNOWN ISSUE, AND OLD ISSUE THAT SHOULD HAVE BEEN CORRECTED. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ID
10342933
Incident
Jul 13, 2010
Mileage
44,500 mi
Fuel system
Filed Feb 15, 2010

THE FUEL TANK CAN NOT BE FILLED UP WITHOUT SPILLING LARGE AMOUNT OF GAS, WHICH IS A GREAT FIRE HAZARD. IT SEEMS THAT THE FUEL TANK GETS TOO MUCH AIR INSIDE WHEN FILLING UP AND THE AIR PUSHES THE GAS GASHING OUT. *TR

NHTSA ID
10310685
Incident
Feb 14, 2010
Mileage
98,111 mi
ElectricalFuel system
Filed Dec 7, 2009

TL* THE CONTACT OWNS A 2004 TOYOTA PRIUS. WHILE DRIVING BETWEEN 40-45 MPH THE GASOLINE MOTOR WOULD FAIL, AND THEN CAUSE THE VEHICLE TO STALL WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE DEALER TWICE. THE BATTERY WAS REPLACED FIRST, AND THEN THE FUEL SYSTEM WAS FLUSHED. THE SECOND REPAIR CORRECTED THE PROBLEM, BUT THE PROBLEM OF THE VEHICLE LOCKING IN PARK WAS NOT ADDRESSED. THE CURRENT MILEAGE WAS 32,100. THE FAILURE MILEAGE WAS 31,999. UPDATED 01/12/10 *BF ALL OF THE ALARM LIGHTS ON THE DASHBOARD HAD ILLUMINATED WHEN ACCELERATING. WHEN THE CONSUMER STOPPED THE VEHICLE AND SWITCHED TO PARK, HE WAS UNABLE TO SHIFT THE VEHICLE INTO NEUTRAL. AFTER ABOUT 15 MINUTES, THE CONSUMER WAS ABLE TO SHIFT TO NEUTRAL. THE INSTRUMENTAL PANEL DID NOT DISPLAY A CLEAR EXPLANATION THAT THE INTERNAL COMBUSTION ENGINE WAS NOT STARTING AND THAT THE VEHICLE WAS RUNNING ON THE BATTERY ONLY. UPDATED 01/15/10.*JB

NHTSA ID
10294778
Incident
Nov 19, 2009
Mileage
31,999 mi
ElectricalFuel system
Filed Jun 10, 2005

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 ID
10124921
Incident
Apr 9, 2005
Mileage
8,300 mi
Fuel system
Filed Jun 7, 2005

DT:TWO WEEKS AGO, THE CONSUMER WAS DRIVING HER 2004 TOYOTA PRIUS AT 50 MPH AND IT DIED. LUCKILY IT WAS NOT DURING RUSH HOUR TRAFFIC AND OCCURRED NEAR AN EXIT RAMP. THE CONSUMER WAS ABLE TO MANEUVER TO AN EXIT RAMP WHERE SHE COASTED DOWNHILL INTO AN OFF STREET. THE VEHICLE WAS TOWED TO A DEALER AND THEY HAVE HAD IT FOR 2 WEEKS NOW AND THEY STATED THE INVERTER THAT TIES THE HYBRID TO THE GAS SYSTEM WAS THE PROBLEM. THE CONSUMER FEEL THIS IS A DESIGN FLAW AND FEELS THAT SHE SHOULD HAVE BEEN NOTIFIED BY TOYOTA OF THIS PROBLEM. *JB *SB

NHTSA ID
10121212
Incident
May 5, 2005
Mileage
10,000 mi
ElectricalEngineFuel system+1 more
Filed Jun 3, 2005

DT: THE CONSUMER OWNS A 2004 TOYOTA PRIUS. HE SAYS THAT HE IS HAVING PROBLEMS WITH THE VEHICLE BECAUSE IT WILL SHUT OFF WHILE IN TRAFFIC. ALSO THE PARK MECHANISM WILL DISENGAGED AND THE LOCK BUTTON DOES NOT UNLOCK THE DOORS AS SPECIFIED IN THE OWNERS MANUAL. ALSO THE START BUTTON DOES NOT CONSISTENTLY START THE VEHICLE PROPERLY. *JB THE VEHICLE EXPERIENCED: INOPERATIVE BRAKE LIGHT, THE FUEL DOOR SPRING WAS REPLACED, DOME LIGHT REMAINED ON, ENGINE WOULD DISENGAGE, LIGHTS WOULD REMAIN LIT AFTER THE VEHICLE WAS STARTED, VEHICLE WOULD NOT MOVE UNTIL THE VEHICLE WAS SHUT OFF AND RESTARTED TO GET THE BRAKE LIGHT TO GO OUT, RATTLING AS IF IT WERE GOING TO STALL, THE ALARM SOUNDED ON ONE OCCASION WHEN THE DOOR WAS OPENED, FUEL DOOR SPRING MALFUNCTIONED AND FUEL DOOR WOULD NOT OPEN. THE TECHNICIANS WERE UNABLE TO VERIFY THE DOOR LOCK MALFUNCTION. THE CONSUMER WOULD LIKE THE VEHICLE REPLACED WITH A 2005 MODEL EQUIPPED AS DETAILED ON THE ORIGINAL INVOICE INCLUDING AFTERMARKET ITEMS PAID FOR. *SC

NHTSA ID
10121220
Incident
Sep 30, 2004
Fuel system
Filed May 9, 2005

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

NHTSA ID
10120294
Incident
May 7, 2005
Mileage
4,550 mi
Fuel system
Filed Feb 8, 2005

THE FUEL INDICATOR MALFUNCTIONS DURING THE WINTER MONTHS. IT STARTS TO SHOW EMPTY GAS TANK WHEN IT IS 1/2 FULL. THIS PROBLEM GOES AWAY WHEN TEMPORATURE RISES. TOYOTA IS AWARE OF THIS PROBLEM AND TELLS US THAT THIS IS PROBABLY DUE TO BAD GAS TANK DESIGN. THERE IS NO SOLUTION TO THIS PROBLEM FOR OVER ONE YEAR AND TOYOTA IS NOT WILLING TO FIX THIS ISSUE.*AK

NHTSA ID
10110090
Incident
Jan 1, 2005
Mileage
10 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

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Data on this page last refreshed .