| 11.8 Mpg
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| aftermath686 |
I have been consistantly getting 11.8mpg for quite some time. I thought maby a oil change, coolant flush, automatic trans flush, and injector cleaner, and some new tires would help, but still the same. im changing the spark plugs and fuel filter next, but i think something is really rong here. any help would be appreciated.
Edit:: BTW its an 01 X with just under 50k |
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| dj-mdx2 |
| Have you had this X since new? |
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| aftermath686 |
| No it was bought with some milage on it, the exact amount im not sure about and Ill check. |
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| G. COLTON |
Driving habits is where I would look to improve mileage.
G |
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| MDXanyone |
With my 01, I got 17.6. My wife got 15.3.
So drivers sure make a difference. |
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| aruca |
| My mpg is around 15. I can get it to 17-18 if I don't let the rpm to exceed 2.5 x1000 at anytime. Try following this and see if there is any improvement. Also reset the trip computer and take it on a test drive. You will find that most gas is consumed when you accelerate from stop. Also coast to stop lights/signs when you can. If things don't improve then I would look into spark plugs and air filter. Thats from my very limited expertise. |
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| drknkboot |
| Try resetting your trip computer and see what happens. Reset it after a fill-up. |
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| aftermath686 |
| I have reset it quite a few times, and I know how to drive to conserve. yes I don’t always I enjoy a spirited drive every now and then but it shouldn't be this low. |
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| aruca |
1. Reset the trip, drive my kids to school I get 11-12 mpg.
2. Reset the trip, drive back to home/work I get 15 mpg
3. Reset the trip, drive like grandma and get the get-a-civic-u-bimbo look from the passer bys I get 17-18.5 mpg.
If you can get hold of another mdx owner you guys can try each others car and compare the results. Not pointing finger at your driving style but I would make sure theres something wrong with the mdx before I take it to the dealer. My dealer suggested some big $$ when I brought it up. Then I decided to experiment and hence the above results. I will be replacing the air filter soon *fingers crossed* (got the mdx by the horn now) and new tires so I will post new results if there is any change. |
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| crmsnidol |
quote:
Originally posted by aruca
3. Reset the trip, drive like grandma and get the get-a-civic-u-bimbo look from the passer bys I get 17-18.5 mpg.
I get that mpg in mostly stop-and-go commuter traffic with my '03 (58k miles) and don't consider my driving to be too slow compared to the other traffic. The lowest I've gotten is 13 and the best was 26 which was a long trip up the mountains at around 70MPH on cruise control for most of the 240 mile round trip. |
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| aruca |
| May be a new air filter+tires will make the difference. Who knows! BTW, I get 28mpg at 70 mph, no cruise the few times I've been on the hwy. |
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| jcpajer88 |
I've just purchased a used 2004 MDX with 46,000 miles. Overall, the car is in brilliant shape. The previous owner really took great care of it. BUT, I also need to comment on this string. I did a fair amount of research on the vehicle before buying the car, but I must admit that I did not do any detailed research on fuel economy. I remember thinking, naively, "it's a Honda with a V-6. EPA says 17/23. Really, how bad of mileage can it get?!"
Boy - was I mistaken! I live in San Francisco, and we've been getting about 10 mpg in the car. OUCH. I was not expecting this! We are using premium fuel. I've just installed a K&N air filter, and the tires are kept at 35 psi.
How do I know if there's a problem? Perhaps the AC compressor is bad and it's dragging on the engine causing the awful fuel economy?
It doesn't help that SF has the most expensive gas prices in the nation! Thank goodness I'm moving to TX in a couple months. |
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| shootist |
quote:
Originally posted by jcpajer88
a used 2004 MDX with 46,000 miles.... Really, how bad of mileage can it get?!"
11 is very low. If you drive easy, you should be getting closer to the EPA sticker. Even a slightly heavy foot will suck gas.
One of the things that goes bad with age is the EGR valve. When it's really toasted, you'll feel a variety of symptoms like bucking. Bad mileage may be an indicator of impending EGR clogging. |
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| JL_SS |
quote:
Originally posted by jcpajer88
I've just purchased a used 2004 MDX with 46,000 miles. Overall, the car is in brilliant shape. The previous owner really took great care of it. BUT, I also need to comment on this string. I did a fair amount of research on the vehicle before buying the car, but I must admit that I did not do any detailed research on fuel economy. I remember thinking, naively, "it's a Honda with a V-6. EPA says 17/23. Really, how bad of mileage can it get?!"
Boy - was I mistaken! I live in San Francisco, and we've been getting about 10 mpg in the car. OUCH. I was not expecting this! We are using premium fuel. I've just installed a K&N air filter, and the tires are kept at 35 psi.
How do I know if there's a problem? Perhaps the AC compressor is bad and it's dragging on the engine causing the awful fuel economy?
It doesn't help that SF has the most expensive gas prices in the nation! Thank goodness I'm moving to TX in a couple months.
The current epa mpg is being adjusted to 15/21 next year for the 2004 MDX: Link . However, that still assumes fairly light normal flat driving. San Francisco is also known as the city of hills - hills very quickly reduce your mpg from epa estimates. I can't remember if it is this site or the Pilot site, but there are at least two members in San francisco reporting about the same mpg as you. I live in a city with hilly areas and get about 13/14 city driving bewteen the hilly and non-hilly areas.
Acura's V6 also lacks low end torque, meaning it has to rev high to make power up hills. My V8 powered crew cab gets the same city mpg as our MDX driving in the hilly areas. Climbing a hill at the same speed, my crew cab will keep the revs much lower than the MDX will. |
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| laborlitigator |
| I've noticed that if you go up lots of hills, that too has a bearing on the MPG. But mostly, it's the style of driving. |
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| aftermath686 |
| That must be it I really didnt even consider the hills thing. I live right at the bottom of a hill and drive up and down it numorus times a day. my work and school is at the top of it... so I think that explains it. |
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| Apes |
| I live in Santa Cruz and drive Highway 17 to Mipitas to work every day. I averaged around 18 - then I had the EGR valve replaced because the check engine light came on and that was the issue - which Acura fixed for free - and my milage went up to average of 20! I drive pretty much the same so you might eek out a few more MPG's like the previous post said with an EGR replacement. We did a trip down highway 5 to L.A. over thanxgiving and we averaged 22 - I have never gotten anything better than that- but not worse then 15 either. I have a -02 with about 60k on it. |
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| Jesting2 |
I have 9,971 KM (6,196 miles) on my 2007 MDX. I purchased it in April 2007 and apart from a couple of weeks touring this summer, it has seen a mix of short & medium length trips. I live in a rural area and make a lot of short trips and in the last month or so, there has been a lot of time spent warming up the truck due to sub-zero temperatures. I am not an aggressive driver, but knowing the power this vehicle has, I will use it when the situation dictates.
I have been monitoring gas consumption very closely and here are my results:
12.20 Liters/100KM
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23.15 Imp MPG
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19.28 US Mpg
These calculations were made using the actual fuel receipts and are not quite as good as the on board computer indicates. I have never reset the "B" trip odometer and it is currently reading 11.9L/100 km.
Using that figure gives me :
23.74 Imp MPG
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19.77 US Mpg
These results are better than I expected considering the government estimates of 11.9L/100 km which I expected to be greatly exaggerated. My best results were not long after I purchased it when I got 9.65L/100 KM. That works out to 29.27 Imp Mpg or 24.37 US Mpg. I was trying my best to wring every KM out of each liter of fuel, and stayed within the speed limit everywhere, passed only when absolutely necessary and was very gentle accelerating.
Because fuel costs have risen quite a bit since I got the truck, I have sometimes alternated premium and regular fuel fill-ups. I have noticed that when using premium fuel, my gas milage is marginally better. I don't know by how much and will have to record more detailed information in the future if I am to come up worthwhile results. However, I don't think there is enough of an improvement in the milage to compensate for the $.12/L premium in the price of the fuel to break even.
Cheers! |
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| drader |
In the MDX - the EGR valve seems to make a big difference. In most modern cars replacing the O2 sensors often improves MPG. No need to run premium, it does not make a difference unless you are towing or in high altitude. Also - be sure to use 5w20 oil! Definately a mpg improvement over 5w30 for us.
We usually get 17.6 mpg on average, but over Thanksgiving I played the gas mileage game on a road trip and won! We got 25.2 mpg going from the Bay Area to L.A. From Sunnyvale to Longbeach on a single tank of 87, with a bit to spare. The secret (aside form normal granny driving) is keep it around 65mph. |
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