2008 Toyota Prius: wrong fuel gauge reading

Filed Jun 5, 2025 · Brakes, Electrical · LA

I recently took my vehicle to the dealership because all the hazard lights on the dash came on. They diagnosed it as an issue with the inverter water pump and suggested that the engine was overheating, which was causing the hazard light to appear on the dashboard. So I had them replace that part and everything was fine. A week later, I went to drive to work and my entire dashboard was out. My radio, clock, blinkers, and brakes worked, but I could not see the speedometer, gas gauge, odometer or any other dashboard features. When I tried to restart the car, it wouldn't turn off. I tried several times and even got my husband to try. When we couldn't turn it off, I drove blindly straight to the dealership. They diagnosed the issue as being a problem with the combination meter. Recently, I found out that there was a Customer Support Program through Toyota that replaced the combination meter in my same car model. This service expired in 2017. I got the car in 2020-21. Thankfully I was home, and was able to follow my husband to the dealership. I'm not sure what I would've done if this happened while I was out. I am also have traction issues with the brakes. When I try to brake on a slope or incline, the glide hazard lights come on. It's happened several times when it's raining, but it's been happening more when it's not. I typically give enough space between myself and the car in front of me, but it's concerning that the brakes lock up when I'm on any type of sloped surface.

Filed Feb 17, 2023 · Electrical · FL

The vehicle we own is no longer covered by an extended warranty offered to Toyota owners of 2004-2009 Prius. The warranty covered the replacement of the digital combination meter which, when failing, no longer displays anything on the dashboard. The situation is dangerous because you lose the ability to monitor fuel tank capacity, speed, warning lights, reverse lights and backup camera. To get around this malfunction requires that the back storage panels be removed and 12-volt battery be disconnected and reconnected. However, the fix is short term since the problem resets itself once the car is turned off. Even when the display is working, we have just discovered that the fuel gauge is inaccurate, causing a serious overflow of fuel due to the display showing 1 bar, when the tank was actually 50% full. Toyota, fully aware of this problem offered a "warranty enhancement" that offered replacement coverage up to September 30, 2013. It only covered customers whose care was demonstrating the problem, excluding any cars that were not showing signs of malfunction. We have a 2008 model, purchased from a Toyota dealership in 2011, that up until around 2-years ago showed no signs of malfunctioning. Therefore, the warranty did not apply. We now, however, are experiencing the malfunction on a daily basis and our vehicle is unsafe, and inconvenient to drive. I called Toyota regarding this and they will not offer any further coverage beyond the September 30, 2013 date. The repair for this malfunction is a minimum $1000, which rightfully should be covered by Toyota due to the potential safety issues surrounding this problem. We would like Toyota to acknowledge customers such as ourselves where the malfunction did not appear until later during our ownership of a 2008 Prius, and pay or reimburse for the repair.

Filed May 19, 2022 · Electrical · WA

The electric dashboard (warning lights, speedometer, fuel gauge, etc.) is sometimes off when starting the car. The backup camera and the center display also will not be working. The car will not shut off when the displays are not working. It will usually fix itself after pushing the on/off button a few times. It has happened many times now but isn’t predictable. It hasn’t been looked at by a mechanic yet.

Filed Mar 25, 2022 · Electrical · MD

The instrument cluster goes completely blank (no fuel gauge, no speedometer, no odometer) and the car cannot be shut down.

Filed Mar 22, 2022 · Acceleration, Electrical · OH

Dashboard speedometer, fuel gauge, headlight indicators, transmission status, cruise control do not show, are not lit up. Backup camera does not work nor do the back-up lights. This occured after the auxiliary battery was replaced and the dashboard lights and backup camera will occassionally spontaneously return when the car has not been driven for a week or longer but then will go out next time the car is turned off. There are problems with the car turning off consistently and at times the start button needs to be manually depressed for 5+ seconds to shut down.

Filed Mar 18, 2021 · Acceleration, Electrical · 146,500 miles · AZ

Instrument cluster in my 2008 toyota prius completely went dark while driving from phoenix to my home in tucson. I was travelling on I-10 at a speed of approximately 70mph. Terribly frightening when all gauges fail at the same instant. This happened in jan 2021. Speedometer, fuel gauge, headlight indicators, prndl, lcruise control, lights that indicate engine emergencies do not light. Back-up camera does not work nor do the back-up lights. These all are extremely dangerous safety issues. Having researched this problem it is evident that toyota knew about this problem as they have recalled thousands of prius' for this issue. They issued an extended warranty for this issue but mine expired before I purchased this vehicle in february, 2020. I firmly am convinced that toyota should honor the warranty for this dangerously common failure which happens to many different model year of the prius. It's, in fact, irresponsible of toyota to not repair these vehicles as they have known how massively prevalent these failures are. The local toyota dealers is charging over $1000.00 to fix the problem. I, for one, cannot afford such a cost for a malfunctioning, critical for safely operating their product, that should be remedied into perpetuity, since they have unquestionably been fully aware of the problem and it's severity. I should not be excluded from repair simply because the failure happened later in this particular vehicle than others.

Filed Feb 24, 2021 · Electrical, Fuel system · 213,885 miles · TX

My vehicle was showing 4 bars for how much gas was left in the tank. I drove to fill it up but despite how much I put in the fuel gauge won't read it and is stuck on 4 bars. When driving it won't decrease either I've driven over 70 miles and it still won't adjust.

Filed Dec 31, 2020 · Electrical · 193,447 miles · MA

1, dark instument panel, speedometer, odometer, fuel gauge, prnd display. 2, power button inoperable, at the time of speedometer failsure this is very dangerous when driving without instrument panel, you do not know the speed of driving, you do not know when you run out of gas , you do not know which prnd mode you are at and you cannot turn off the power of the car.

Filed Dec 17, 2019 · Electrical · 231,429 miles · NY

Recurring problem, inconsistency in fuel levels at the gas pump. Possible hybrid energy theft from batteries or heating element. Last fill-up at the north conduit mobil with 8 dollars, resulting in a less than a half a tank level, with a quarter tank level before fill up.

Filed Oct 3, 2019 · Electrical, Lights · 196,050 miles · ME

The 2008 prius has a digital display. Sometimes when the vehicle starts up there is no information displayed on the screen. Nothing shows what gear (reverse, neutral, forward) it is in. There is no speedometer display. No odometer display. No fuel level display. At the same time that the dash does not light up, I have noticed there is no backup camera or backup lights when the vehicle is in reverse. In addition to the above, the start button will not fully shut down the car. It will cycle between accessory mode and full start when the button is pressed. I have noticed that when the problem is happening the vehicle is also not keeping track of the miles driven while the dash is not displaying - so when the dash does start working again, the odometer is not showing true mileage. After getting the vehicle to finally shut down, I have sometimes had the issue not present the next day at startup. Other times it will last through several starts and stops. I have read online that this problem is consistent with a faulty combination meter. And I feel it is a safety issue.

Filed Jul 26, 2019 · Acceleration, Electrical · 250,000 miles · AZ

The speedometer does not display when turning on the car. I figured out that by unplugging the battery in the back it would sometime bring it back on. Now it only comes on every once in a while, it's no longer keeping track of miles when not on, as well as the fuel gauge is not keeping track of gas and have ran out twice because it stated half full.

Filed Jul 15, 2019 · Fuel system · 98,000 miles · TX

The fuel gauge and fuel sensor doesn't work in the 2008 prius touring that I just purchased on july 09, 2019. The dealership that I purchased it from did not inform me of this issue at all. Now I see that this exact issue is happening to a lot of these particular year models. The reset for the faulty readings doesn't work either... Please do a recall for this issue!!! I am on disability and can not afford to pay for this defect!!! I'm afraid to go more than a few blocks in this car for fear of running out of gas... I have no clue how much gas is in this thing as it spits a lot of what I put in, back out when it suddenly overflows gas all over me. Are there other options available to help us owners???