Prius (2004-09) :: Mileage Sporadically Resetting On MFD
Mar 9, 2015
I'm not sure where this should be posted, but my MFD showed a mileage reset to 0 today. I only reset at fill-ups so that I can do long division.
Anyway, while trying to figure this out, I saw on the Consumption screen that the AMPG also started bouncing around. Before I shut off the engine, it bounced between 39 and 42.
Since the last fill up, the pips have been decreasing quickly...4 in 71 miles. I know the pips are not a linear measure, but 4 in 71 miles seems pretty quick.
Where I should start looking?
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I have a vague memory that the PiP will start its petrol engine every XXX miles just for a maintenance warm up if it has not been used for that mileage. An engine start will reset that mileage back to zero and start recounting its EV miles until that limit is reached again. What is that limit?
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I had the oil changed in my 2009 Prius but the "change oil" light stayed lit. Rather than taking it back in to the Jiffy Lube, I found instructions on this site for resetting the light (hold down odometer button while pressing on button twice, etc.) and the display did what it was supposed to--the numbers were replaced with dashes and it seemed like the system reset. But the oil light remained on. I tried it several times to no avail.
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I have a 2008 prius and the Trip A and B odometers keep resetting to zero as well as the clock to a different time. It has happened 3 times in the last month.
I stopped to ask a seasoned service if he knew what the problem might be and said that he had never heard
of it. I recently 3 mos ago replaced the 12v ignition battery.
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So for the last few months, I've had my check engine light on my 111,000 mile 2005 Prius going off sporadically. Everyone tells me it's the gas cap, but I've been putting off replacing it because I want to make sure I get something compatible.
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I'm rebuilding the traction battery on my 2006 Gen II Prius. When completed, I'd like to erase any "error codes" that should be erased (I don't even know where these might be), and turn off the red triangle of death, the VSC light, the (!) idiot light, the engine check light and the maintenance required light.
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I have an 05 Prius that I bought used. It has 59K miles on it. Recently I took it to the dealer for an oil change. They told me it didn't need an oil change, but did need an air filter. Afterwards, the mileage dropped from about 47 around town to about 42. Had the oil changed a week later, and the mileage is now about 40 around town. The dipstick when cold shows a little above the full mark.
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I replaced my 12V battery yesterday with the Optima yellow top. immediately after, my gas mileage dropped to about 16 mpg.
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I have a 2006 Prius with 165K miles. My MPG suddenly went down 20% (47 to 38). Tires are fully inflated. I did change to high-mileage oil at last service, could this be the cause?
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My 2004 has 132K miles and still running great. We now have a PIP standard model as well. I can't find a screen that tells what the overall mileage per tank is. Does it exist on this car?
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I've had my 2007 Driftwood Pearl Package 2 Touring a little more than a year now. I had been getting 42-46 MPG every tank until I filled up my gas tank today.
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When I filled up with gas today the mileage in the display didn't reset to back to zero after I turned the car back on and drove away. Is this indicative of a problem, or is it just a fluke?
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My '05 Prius has been going strong with just passing the 200k mark recently. However about 2-3 weeks ago after I replaced the PCV valve, I started getting really bad gas mileage. I'm talking about getting an average of 45 mpg in city/highway combo down to 30 mpg. Filled up my tank twice from empty so I'm pretty sure it's not just bad gas. Highway driving does slightly better than city.
Today I noticed that my acceleration from stop is just absolutely terrible. The car responds really slow and sluggish and takes a while for it to realize I want to go. Low speed doesn't get good mileage at all. It seems I get normal mileage at almost 65 mph, not sure why.
I don't think the 100 degree weather we are having here in Texas is causing THAT much of an effect because last year and two years ago during 100 degrees, gas mileage was normal. What to check? I searched and most talk about cold weather. I have a relatively new 12V gel battery so I doubt it is that but I can try disconnecting it.
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Experienced lower mileage after changing the plugs at about 120k miles?
In the 10 months (23.6k miles) since I had the dealer change the plugs, I have averaged 43.3 mpg overall.
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Well I work overnight security and I'm able to watch movies in my car or be on my laptop at work but I ruined my battery( didn't have the car engine on) and now that my battery is dying I noticed huge drop in gas mileage .
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I have a 2009 Prius (purchased in March of '09) - working just fine - 58.6 mpg.
Each time that I have gone to purchase gas, I have not pushed the reset button on the Consumption screen as I have wanted to keep a running average for mpg. However, the miles driven count since the last refill automatically goes back to 0 (again on the Consumption Screen) and then starts a new count. This is useful as I know how many miles I have driven since the last refill. Today, however, I purchased fuel and the count did not revert to 0. Has a sensor been damaged? Is there anything I can or should do? I know I could press the Reset button but that would be a last resort.
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She was driving and she turned onto another road this morning and the Prius started making a popping noise which lasted about 30 seconds. She normally averages about 42/43 mpg but it is down to 37 mpg. She said she has noticed since yesterday the Prius did not drive the same (I am assuming she means the power). The Prius is a 2006 with about 105,000 miles on it. Nothing has ever been done to it since we purchased it new in 2006 except oil and tires.
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I have recently noticed that the ODO meter of the car does not work i.e. it is stuck at the reading (57735 km) it was on when I got the car and does not record/show the increase in mileage. the trip A and B are working perfectly fine. I took the car to the local Toyota dealer but he has no clue what is wrong with it, the guy there suggested that ECU is working fine but the ODO meter is damaged and needs replacement.
I am not sure what the guy at the dealership suggested is correct because what i think is that if ODO gets damaged then the whole speedo meter should mal function.
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Average MPG per tank is automatically reset anytime you fill up with more than about 4 gallons. But the owner's manual PDF I've been reading for the C seems to indicate that this is manually done by resetting one of the tripmeters. What is actually the correct method?
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We recently replaced the driver's window on our 2001 Prius, and now when the auto-close switch is activated, the window closes and then immediately bounces back open to halfway (triggering jam protection function). I know it's common to have to reinitialize the window in this situation, but can't figure out how to do it!
I have the Gen II+ instructions but they don't work for this car. How it should be done on a Gen 1? The manual has no details, unfortunately.
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Here is the definitive how to guide to clear all the old bad shifting and idle habits from the defective parts you have changed out. A simple battery disconnect will clear codes but not the adaptive shift and idle strategy. Many times the vehicle will exhibit the same concern even after replacing the part due to old "Learned Value". Take a moment to watch the video and you will then finish the repair job right!
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