Sonata I45 (YF - 2011+) :: Average MPG Fluctuating A Lot?
Feb 13, 2013
I purchased a recertified 2011 Sonata GLS with 15k miles about a month ago. It has treated me well so far but today it started doing something really weird. I refilled the tank about 60 miles ago and reset the average MPG gauge when doing so. I was averaging 28 MPGs and it was fluctuating no more than .2 MPG when accelerating, going up hills etc. With 60 miles on the gauge, the average should be relatively steady and has been. Until tonight... On the way home from work my average MPG suddenly dropped down to about 18 or so, and was fluctuating up to about 25 MPG on flat roads. Whenever I would accelerate even a little it would drop way down to around 18 within a matter of seconds, and come back up to 25 in the same amount of time. It was acting more like the instantaneous MPG gauge...
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I wonder if our Azeras automatically reset an AMPG on a trip computer after each fill ups like Sonata does?
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We have a 2011 Lexus RX350
It has a message saying "Average Speed 19 MPH"
1. what does it mean?
2. how to reset it?
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I just replaced my OEM battery with a duralast from autozone. The battery had 138,000 miles. Shortly after, the check engine light came on and code says P0106. Map Sensor. Seems like to much of coincidence that this happened. Have read that disconnecting battery cables for 3 hours may do the trick.
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I noticed yesterday my AVG MPG was stuck at 20.3... I drove hard, drove light, and it remained there at 20.3. My Consumption was registering normally activity as well as all other functions in the MFD. The car sat over night and is still the Avg MPG is stuck at 20.3... short of pulling the battery to hopefully reset the MFD, whatelse could it be... and why??
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I deliver mail out of my 2014 Prius C and noticed that my MPG is only about 30-35 MPG? What am I doing wrong?! I thought stop and go driving is the best way to get the best MPG?
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I can't find the average mpg display anywhere. On my 2008 I could hit the info button and it would display your average mpg but on my 2013 Prius 3 there is no reading for that, at least I can't find it.
In the owners manual there is a pic of one of the display's that has it in there, but I can't seem to find that display anywhere.
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That MPH average at the bottom right of the screen. Is that actually show the average miles per hour that you have driven? Mine is currently displaying 24. I never drive that slowly, much less often enough to average out my usual 55-70 driving. What is the purpose of that display?
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For those of you regular Gen3 (non PiP) that average in the low to mid 60's for MPG during the warmer months of the year....what do you average in the winter for mpg? And what is your yearly average?
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I have a new 2015 Prius five and can't figure out how to determine average mpg. In my 2007 model, there was an info screen that displayed average mpg that was reset each time you refilled the tank. With the new Prius this screen is gone and all I can find is a display showing average mpg for the last 5 minutes.
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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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So we bought our 2013 prius v 3 last week and have since put on just under 300miles. This is our family vehicle but most of the miles have come from me driving it to work. My commute is in the Phoenix area and the temps have been in the 30-40s in the morning and 60s when I leave. Terrain is flat, and mostly fwy, maybe 70% hwy and 30% streets. My gripe is that I have never seen the avg get over 38mpg. I have not taken it out of Eco mode the past 4 days.
Should I wait till after the first full up to start getting real numbers?
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I'm relatively new with my 2011 Prius. I've been averaging about 53.6 mpg, but I feel as if I can do better. I've set 54 mpg as this "magic number" that I'm aspiring to, but if I ever reach that, the number will probably rise to 55 and so on ... (As an aside, if I just set the cruise control while on the commute I'm about to describe, I get the same mileage as I do when I'm working on hypermiling, so I don't know if it's worth the effort with this route).
My daily commute is around 15 miles. About half of this is a hilly and curvy road. The PSL on that portion is 55 mph, and it is a two-lane (one lane in each direction) road. At least one of the hills are so steep that if I DWL, I'll lose between 15 to 20 mph from the bottom to the top; that's with the HSI "pegged" right before the power section of the line. I can maintain speed, or at least lose less, if I go into the power area. Additionally, there are several curves at the bottom of the hills where I must brake down to around 40 mph to safely negotiate the curve.
Finally, it is well-trafficked road as well, so, while observing the speed limit, I may have 10 cars piled up behind me, which makes me nervous.
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Ok, so I've had my '16 SE for about 3 weeks. Last night, I noticed the tire pressure was way too high (41lbs in the front and 39lbs in the back). So, I let the car sit overnight, and set all 4 tires to 33lbs this morning.
Ever since I did that, every time I turn the car off, the Average MPG display (on the dash) keeps resetting to 0. I took about 5 trips today, and it keeps happening. The ECO app on the radio shows my previous trips, so I know that the data isn't being lost somewhere, it's just not being displayed anymore. Basically it's acting like I trip MPG system now.
What could cause this, or what setting I should change to fix this? I messed around with it for about an hour, and can't figure it out.
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I have had my 2013 s one month . My gas mileage is averaging 22 mpg and i called my dealer and they said there is nothing they can do. Is this normal! If this is the case i will never by a toyota again because i bought it because i was expecting good gas mileage.
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We've had our 2013 RX350 CPO for about a month now. We traveled to NC a few weeks ago and I noticed that the speedo would read 70 but the computer Ave. MPH would read 4 mph less. This was using cruse on the highway. In about an hours time I zeroed the Ave. MPH a couple of times only to have the same result. It still is happening at any speed. Is it a dealer issue?
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Just recently I replaced my spark plugs, cleaned my throttle body and mass air flow sensor. I cleaned both with its recommended cleaner. After that, for a few days the vehicle was acting up in terms of the rpm was jumping up and down when i was coming to a stop. It was also idling high most of the time when the engine was on and on park. After a few days the car settled in and operates fine now. However, now when i check the avg mpg I'm getting about 20-21 city and highway. This doesn't add up.
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My gas gauge is moving up and down like when I start up the car the gas indicator will go down to the middle when my gas is full. My car is a 2003 toyota camry.
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I have a "new to me" 2009 Touring that I purchased on 9/2/10. She had approximately 35K miles on her and an Average MPG of 39.6. While I have managed to increase that average up to 41.7, I'm tired of looking at the results of the previous owner's bad habits.
I have hit the Reset button on the Consumption screen several times, but the only thing resetting is the number of miles driven. I have reset both the Trip A and Trip B Odometers, again the only change is the trip odometer reading, NOT the Average MPGs.
This is making me a little crazy as my previous car was a 2004 Prius and the Average MPGs AND miles driven automatically reset any time I filled up with fuel.
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I'm so fed up with this Prius C. I did nothing but city driving and I got 302 for a tank at 8.247. It's going to the dealership to see if something is wrong. I haven't got over 369 on a tank before and that was highway driving.
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I have been realizing that random every so often miles or months (varies completely) that my average fuel consumption resets itself and starts retaking brand new information and has discarded the old. Is this normal?
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