Lexus LS 2007+ :: Inaccurate Mileage Report - 2 Mpg Or More Higher Than Actual?
May 22, 2013
Checked the MPG Since Last Fillup numbers against computing the actual miles driven and fuel used manually? I find the (2011 460) numbers to be consistently 2 mpg or more higher than actuality. To be as accurate as I could I used the same pump at each filling, letting it stop automatically when full. I now wonder at the accuracy of the "total mpg"--which shows 14.1 for 15,000 miles. I drove 5000 of those, and never got more than 12.5 mpg (by the Lexus meter.)
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The MPG display on my new 2014 Camry XLE displays 1.5mpg higher than actual MPG. This is based on the first 9 tanks (Toyota Dealer reset the trip mileage during tire rotation). Mostly highway type of driving (backroads of the desert).
Note that the next three tanks-fulls the MPG display accuracy is better. Maybe the display is more accurate once the car get broken-in.
Data Follows:
Fill Up: Display MPG: Delta: Calculated MPG: Gallons: Miles
1 : 35.1 : 3.6 : 31.5 : 16.007 : 504.1
2 : 33.4 : 0.6 : 32.8 : 14.169 : 464.1
3 : 34.8 : 1.0 : 33.8 : 15.278 : 516.6
4 : 33.1 : 2.5 : 30.6 : 16.548 : 505.8
5 : 35.2 : 3.6 : 31.6 : 15.522 : 490.1 Max Fill
6 : 35.8 : -2.2 : 38.0 : 14.781 : 562.0
7 : 33.1 : 1.2 : 31.9 : 14.469 : 460.9
8 : 35.6 : 3.3 : 32.3 : 16.087 : 520.4
9 : 34.0 : -0.6 : 34.6 : 15.223 : 526.8
Totals
-------------------
9 : 34.5 : 1.5 : 33.0 : 138.084 : 4550.8
Overall MPG Display Error for 9 tanks: 1.5MPG overestimate
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I haven't owned a Lexus in a while. I had a 95 ES300 and a 90 ES250.
I just bought an 07 with 66,000 miles on it. Amazing shape. Had it checked out at dealer, no issue other than a new battery.
I am on my second tank of gas and average about 16.5 MPG. All of my driving is to/from work, which is only about 2 miles. So, a lot of start/stop, shut off, repeat.
I do make a couple 15 mile trips a week to the store, etc. I know I shouldn't be getting 30mpgs based on this, but does 16.5 seem low?
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I noticed the RPM's are higher than they used to be when accelerating slowly.
My car is an awd hybrid 600h with a CVT (110.000 miles) .. Do i have to check the transmission fluid? How?
Is my clutch or whatever it's called dying?
My car is still under warranty, but I'm not sure if wearable parts are included.
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I have a 2007 Toyota Camry Hybrid that is having a speedometer problem. The speedometer registers 3 MPH more than my actual speed regardless what speed I am traveling. For example, if I am going 25 MPH, my speedometer will read 28 MPH; if I am traveling at 60 MPH my speedometer will read 63 MPH. I took my car to the dealership and they replicated the issue, but said that it is operating within ?normal? range. They admitted that they do not know how to fix the problem. I did not need to worry for it is operating within normal range. I have never had this problem with any other car, including my previous Toyota Camry.
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Engine idling on D and idling on N/P. Mine sometimes runs at 600, sometimes at 650. When I steer, rpm should go higher but it doesn't go.
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I knew when I bought my car it wouldn't get optimum mpg as no car would with the many short trips I have to make every day but I have 5000 miles on it already and have averaged approx 46 with all the city and highway combined.
I took it into Toyota last week for the tire rotation and ever since it has been horrible. There were 120 miles on the tank and I refilled because I couldn't stand to see it staying around 39 on the computer. I have never seen that before. I checked the tired and they had brought them down to 32psi so I put then back to 40/38 and refilled.
Not noticing much of an improvement, sadly. Hovering at 40 mpg still. Weather has changed a lot. Temps much higher daily mid 80s to low 90s. This is my first summer with the car and yea the ac has been on nonstop with the higher temps.
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I have a 2007 Ranger XLT 2 Door Extracab and have a question about the seats in this vehicle. I'm a 6' 1" guy and have long legs. I've lamented how little travel the seats (esp the drivers seat) has. Since I have long legs I have the seat as far back as it apparently goes. On long trips, this becomes exceedingly uncomfortable. To top it off, I had a knee injury recently and the range of motion of my knees are less than normal, making it impossible to drive the truck with the limited ability to move the seat further back.. My question is: Is there a way to get the seat to go further back, without extensive engineering work? I've noticed this seems to be a Ford thing as my wife's 2012 Escape has the same problem.
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I recently purchased a 2009 LS 460, and I was wondering is their anyway to remove the display of the odometer reading for the entire mileage on the car?
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I'm new to the Lexus family. I recently bought a 2007 rx 350. It's in wonderful condition. I noticed that when I go above 60ish, I hear what sounds like a draft or a static-like sound. I've turned the radio off, air off, turned on re-circulated air, made sure all the windows are up, but no matter what I still hear it. I had a small Honda Civic before so I don't know if it's getting used to the aerodynamics of an suv? It almost sounds like there's a "crack" that's allowing air to come through the but there isn't. I don't notice it at all when I'm driving around town, only really on the interstate. It's most noticeable when in the drivers seat. I wasn't sure if it's just the nature of the ventilation system of this vehicle or should I have it checked? Am I just over analyzing?
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What this means Do you want to run a vehicle health report?
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Having issues with their RNS-510 in regards to inaccurate GPS performance? It was fine before I upgraded the maps and firmware. Now, it seems to lag the behind the car by about 10-20 meters and on side streets will sometimes jump over to the next street and back?
Its a revision G-unit (J after the update I think). I have reset the unit multiple times, cleared the GPS data, nothing seems to work.
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The guage on my '13 Auto is always 3-5 mpg optimistic vs my hand calculated mpgs. I find this unacceptable since the guage on my '08 350z's always within 0.2 mpg , and some times it is right on the dot! How inaccurate is yours? And I do fill at the same pump, though i know this isn't an absolute guarantee the tank is being filled exactly the same every time, but still, off by 5 mpg?
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I am having some issues with the distance to empty gauge. Every time I've filled up the car it has say approx. 550 miles (when tank is completely full)..
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Is the range display on your corolla accurate? I had the Driver Information Center on my last car (2006 GMC Sierra 2500HD Crew Cab SLT) and it was dead on for MPG and Range display. I have a 2012 Corolla S, and I let it get low on gas for the first time since I bought it, I got it down to 18 miles to empty, which should be a half gallon of gas. when I filled it up, it only took 10.7 gallons, on a 13.2 gallon tank. that means there was 2.5 gallons, plus whatever fits in the filler tube, still in the tank, almost 90 extra Miles! Is it just my car?
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We have a garden variety 2007 basic Prius. That description will tell you that I'm no Mechanic. The mileage was between 40 and 43 MPG for years. Now it has suddenly dropped to 33 and 35. The average temp here in Florida is fairly consistent at above 60 F, so that is not it. Oil changed at the dealer, and not overfilled. Tires at the right pressure. Worn to perhaps 50% of their avg tread life. Also, I had the 12 Volt battery replaced at the dealer a few months ago, and no change. Is there a way to check?
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I have a 07 Ford F150, 4.2 liter V-6, that the city gas mileage has fallen from 17 to 12.5, highway from 22 to 16.5, in that last year or so. Two garages have ran a test on the computer and can find nothing wrong.
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The "car" symbol on the nav screen seems to lag the actual position by up to 1/2 block.... when I make turns onto another street, for example, the map will sometimes indicate that I am turning into the block itself (instead of the street that I am on), and about 1/4 mile later, it will mysteriously "shift" the car location back onto the correct street.
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Sometimes I will stop at a light and my idling rpm will go from 600 (usual rate she idles at) to about 950. While this may seem inconsequential in the grand scheme of things, it's noticeable enough that it seems like the car wants to go. It'll lead me to depress the brake more. You can also hear the higher pitch of the faster turning engine (it is a 50% increase in speed). This will happen at random times so I have not been able to pinpoint if it is caused by a particular driving style. ECM for this?
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I have a 2007 Titan that just turned 100,000 miles. Over the last 6 weeks or so I've noticed a huge drop in gas mileage. Used to get close to 400 miles a tank and now as of last night I got 248 miles on a tank. Average of 10 miles a gallon. Nothing has changed as far as driving habits or anything like that.
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I'm looking at an extremely low mileage Truck. Original owned it for 3yrs drove it 200 miles. Sold at auction and now has almost 300 miles on it. It is a 2007.
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