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Sedans Hyundai Sonata Hyundai Sonata 2006-2007
7816 messages, Last post on Dec 03, 2009 at 2:02 PM
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We just purchased an 06 sonota in March with 58K on it and I am only getting approx. 20 - 22 MPG. I live 35 miles out in the country and most of my daily work transit is on blacktop highway where the speed limit is 65 mile per hour so I should definetly be getting much better gas mileage since its mostly all highway. The first week I got the car we got somewhere around 24+ miles per gallon but NOW its averaging 20-22 MPG per the dash readout and is its right this is unacceptable. I came from driving a '95 Camry that with 246K still got excellent gas mileage; I do realize I'm now in a V6 but this is crazy I could be driving what I really like/want (truck) at this kind of gas mileage. I have reported this to Carmax were I bought it from and called my local Hyndai dealer to see what I an do and they are supposed to address this Monday. What is everyone else seeing gas mileage wise with these cars? |
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Replying to: huntet02 (Apr 05, 2009 1:48 pm) |
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Replying to: huntet02 (Apr 05, 2009 1:48 pm) |
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Replying to: huntet02 (Apr 05, 2009 1:48 pm) |
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Replying to: huntet02 (Apr 05, 2009 1:48 pm) van
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Replying to: lightfootfl (Apr 09, 2009 7:19 am) I've read your email over a couple of times nice gas mileage......whats your secret do you do anything special?? I think the past maintenance on this car is an important factor and maybe it just didn't have all the maint. flushes and things it needed to run right, I think theres a lot of Maint things recommended by Hyundai that have never been done. Carmax where I bought it put a new air cleaner in it and want me to drive though 3 tanks of gas and then report back to them. They say my bra on the front (thats made for the car by Hyundai) is lowering gas mileage...BS, maybe 2 mpg but were off at least 6 MPG I'm still only getting today 21MPG unnaceptable. My local Hyundai dealer says the bra should not make any difference and that they could run some DG fuel cleaner through it and a few other things that would definetly make it run like it should but it would cost $600+ so when this new air cleaner from Carmax doesn't do a whole lot, which it won't I'll be tellling them it needs to go to Hyundai. What exaclty do you mean that your overall average from 0-15000 is right at 19mpg
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Replying to: huntet02 (Apr 09, 2009 6:21 pm) Your Hyundai dealer is telling you to do a "BG fuel system" cleaning at $600. Just ask them to sell you a bottle of BG 44K fuel system cleaner (about $20 but worth it) and you'll be on your way. The BG additive is good stuff. Our service dept sells it and I use it once a year in my two cars. I've had the "fuel system" flush done on my Mustang (for other reasons) and did not notice much, if any difference. It's all in: 1. the gas you use. 2. your foot on the pedal. 3. A good pathway for both the fuel and the air to get to the fuel injectors. BTW don't take off your bra.....in public. 
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Replying to: huntet02 (Apr 09, 2009 6:21 pm)  5000miles. I keep my tires at 37psi which may a little hard for some people, but better on the tires, and mileage too, and this car is comfortable enough with that too. Hope this helps you. van |
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Replying to: huntet02 (Apr 05, 2009 1:48 pm) My '06 Sonata LX has just about 54.5k on it, so it compares nicely with yours. Up to about 20k, I was averaging 22.5 mpg overall. Since 20k on, I have averaged 23.5-25 mpg overall, with a high of 25.7 mpg. I do about 65% freeway driving. Perhaps my observations and driving habits will be of some use to you: 1) I have a K&N airfilter in the car. The car breathed differently when I firt put it in. 2) I have always logged my miles at fuel fill-up's, and calculated mpg on my own. The mpg gauge in the car is not very precise, and needs to be reset now and then. Once my guague was "stuck" on 23.9 for over 3000 miles of driving, which is impossible. Once reset, the guage displays 31-32 mpg at freeway speeds upto 79 mph. 3) Only about a year ago was it "discovered" by a shop that the car actually needs 5W-20, not the typical oil for which sales are run. This is even indicated on the oil cap - amazing that I or any other service station never noticed it. The 5W-20 seemed to help with the engine running more easily, and the result, slightly better mileage. 4) My tires have always been rotated at every oil change (between 3000-5000 mile intervals). 5) I usually go faster than the majority of traffic on the freeway, but I focus on driving smoothly, never herky jerky. 6) On a recent brake inspection, I was told that I have over 80% of the original pads left - yes, at 54.5K. I do use the manumatic quite a bit, and avoid riding the brakes as much as possible. |
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