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Hatchbacks Honda Fit Honda Fit Real World MPG
2432 messages, Last post on Oct 29, 2009 at 4:50 AM
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The MPG guage in my 09 Fit registers 10-15% higher than the computed mileage (dividing odometer trip miles by the number of gallons delivered by the gas pump for each fillup). I trust the odometer more than the fuel flow meter. (Is the guage really driven by a fuel flow meter?) The dash MPG guage has to display the computed MPG based on the distance traveled (the odometer - and anti-lock brakes - work off of digital messages from the wheel) and some proxy for the flow of fuel. I assume that there is a fuel flow meter, but a vacuum reading might be used instead. How can I adjust the calculation of MPG to be closer to reality?
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Replying to: Sylvia (Apr 22, 2006 8:32 pm) |
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Replying to: fgeney (Dec 31, 2008 7:23 am) |
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Replying to: JimLudden (Jan 18, 2009 3:56 pm) 1) There is no way to adjust the meter 2) If the meter doesn't generate a fault on the system bus, it's working correctly, regardless of the reading. They will not try to replace the meter under warranty. 3) You are being too picky if you expect an accurate MPG meter (less than 20% error). 4) They have no plans to fix this issue in this revision of the Fit. This is likely the last Honda I will buy. I have owned many Audis in the last 20 years, and my first experience with Honda is a stonewall on this issue. At least Audi will attempt to fix the problem. All of their MPG gauges are adjustable by a technician. My car: 2009 Sport MT sans navigation. |
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Replying to: pmeyers (Jan 19, 2009 2:49 pm) I have had a couple of issues with our Pilot that HONDA is uninterested in. Main one being the towing wiring harness. We have been considering a super light "Egg" type travel trailer. About 1500# dry. It has electric brakes and requires a 7 pin electrical connection to the tow vehicle. Our Honda installed $900 tow package provides a 4 pin trailer wiring connector that works fine for a trailer with no brakes or surge brakes. However I can't tow a trailer of any kind with electric brakes, as they require a 7 pin connector. The answer I get from Honda is basically, "That's the way it is". The Ridgelines have a 7 pin connector available, but there is no way, according to Honda, to adapt it to the Pilot. To add to their poor planing and utter stupidity, the new '09 Pilots have an integrated trailer hitch, built right in. However there is absolutely no wiring to connect to a trailer. The wiring harness is $181 extra and the DEALERSHIP CAN'T TELL ME IF IT IS 7 PIN OR 4 PIN. OF COURSE THERE IS ALSO A CHARGE FOR THEM TO INSTALL IT. How stupid is that! To solve your problem, you would do well to Purchase a "Scan Gauge ll". I got one a month ago. It provides lots and lots of information. It is adjustable by the owner. It keeps track of the tank MPG, fuel used out of the tank, fuel left in tank, running time on the tank, running time left on the tank, instant mpg, current trip MPG that can be reset instantly, today's total mpg, yesterdays mpg, error codes, water temp, speed current, average, maximum, rpm current and average and max, and so forth. Background colors and brightness of the display, type of ready information on the display and a lot of stuff I haven't used yet. My last two tanks showed the tank average to be within 1/10 mpg when I double checked with a calculator miles divided by gallons. It plugs in under the dash in the same connector the mechanics use for diagnostics. "Set Up" requires you to tell it the size of your engine, size of fuel tank and type of fuel ie, gas,diesel, hybrid. Fill the car with gas and press the "Fillup" button. Next time you fill up, it will say how much fuel it thinks you used, MPG and so forth. If the actual fuel required to fill the tank was different, you enter that. It makes it's internal corrections. Next 2 tanks were dead on for me. I'm working on the 3rd tank now. You can also tell it the price per gallon of the gas and it will tell you the cost of each of the different trips mentioned above until the next fill up. Plus the cost of running that tank. If you like the car, but are upset with the one item, the $160 instrument is a lot less expensive than trading. Besides being helpful it is fun to play with!  This is a $160 instrument that probably cost the dealers $100. It would be a great dealer option that actually works accurately. I read about them 2 years ago. Wish I had bought one then. We are considering a Fit for our family. But the huge swings in reported mileage is discouraging. As are the options that don't work well, and the lack of options. There have many reports concerning the inaccuracy of odometer, fuel tank gauge, and MPG gauge, that Honda is not much help with. Kip
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Now have 17,000 miles on 2009 Fit Sport with AT. Overall average mileage is 33.5 with a max of 39 and min of 29. Mixed driving with more highway than city. All values calculated after each tank fill-up. Mileage indicator on maintenance minder consistently reads higher, 12% higher on average. Couple of observations/tips: - Mileage seems to be little better when driving in Sport mode and using paddle shifters compared to Drive mode (less automatic downshifting). - Use of cruise control OK on flat roads but hurts mileage on up/down grades. Also note that average mileage has been constant over first 17,000 miles. No mileage increase post-break-in has been observed. |
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| After my first tank fillup on 09 base Fit AT, I got 35.6 calculated. I'd say 60/40 hwy/city. | |
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Replying to: kipk (Jan 20, 2009 8:20 am) We get 28mpg combined. We live in a rural area with a few hills and almost no stop and go city driving except when we go to the supermarket on a weekend. Bottom line is the Fit gets EPA and no better. Of course I expect it to go up 3-4mpg when we stop using winter blend gas. I find claims of 40mpg in this car to be very suspect unless the car is driven downhill in neutral with a strong tail wind. My wife likes the car and it's easy for her to drive. For me, it's just ok. My 84 year old aunt has trouble getting into the back seat and complains about the door jamb being too high.
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Replying to: tiff_c (Feb 03, 2009 6:33 am) One thing I'll say is that the car is pretty sensitive to the driver. I generally get a few MPG better than my wife just because she's heavier on the gas pedal then I am. I think if you browse other forums, you'll find similar MPG extremes on for any car. Plus it depends on what you're looking for. MPG was only one factor for buying the Fit. Interior roominess, driving characteristics, build quality and reliability were the main factors. The Fit has 21CuFt of cargo space behind the 2nd row, plus some usefull storage under the 2nd row, and a lot of storage with the 2nd row down. At 157" in length, it's easy to park. The steering is great. Quality has been stellar. We've found that for our family of 4, we can use the Fit over our big car for nearly all of our weekend trips. Even at 35mpg on the highway, it sure beats taking a minivan, SUV, or CUV only getting in the low 20s MPG at best. And resale value strong, so even if you find you don't like it, you'll be able to sell it for a good price. |
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Replying to: lecrack (May 03, 2006 12:58 pm)
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