- #273 of 378
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Re: Help! My MPG isn't measuring up! [mohaha]
by coolmazda5
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Jun 19, 2008 (10:34 am)
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Replying to: mohaha (Jun 17, 2008 4:14 pm)
Dealer trip is in order, that car is new so shouldn't give you any strange behavior. Good luck!
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- #274 of 378
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I'm having poor MPG, too!
by jky
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Jun 19, 2008 (3:54 pm)
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My MPG isn't measuring up to the sticker either. We live in NYC, and got a 2008 Mazda 5 Touring in April. We are consistently getting about 14-17 MPG in the city. I believe the sticker is 21 MPG for the city, so this mileage seems awfully low. We took a road trip to Phily with clear traffic all the way, and we got 21 MPG--all highway driving. We haven't had any problems otherwise, but does this warrant a visit to the dealer? Is there anything I should check on my own before contacting the dealer? Any input is appreciated.
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- #275 of 378
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Re: I'm having poor MPG, too! [jky]
by riproy
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Jun 20, 2008 (12:56 pm)
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Replying to: jky (Jun 19, 2008 3:54 pm)
I would say yes. Your numbers are substantially lower than others in real world use. Assuming you had any air pressure in your tires at all, were not pulling a 20 ft camper, or driving with the car in second gear all the time, i'd say there is a problem.
Good luck.
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- #276 of 378
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Re: I'm having poor MPG, too! [riproy]
by coolmazda5
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Jun 21, 2008 (5:56 pm)
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Replying to: riproy (Jun 20, 2008 12:56 pm)
yes, that is low but I remembered somebody in NYC posted here low MPG in NYC with an 07 Mazda5 as well. I don't remember the numbers but one of the things that were considered are the fact that the NYC traffic was really bad, much more stop than go. How is the commute traffic jky?
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- #277 of 378
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Re: I'm having poor MPG, too! [coolmazda5]
by jky
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Jun 21, 2008 (10:38 pm)
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Replying to: coolmazda5 (Jun 21, 2008 5:56 pm)
We use it mostly for running errands (commute by subway). I'd say the traffic is generally comprable to any city. Lots of traffic lights, bumpy roads, etc. It's not like we're always in a traffic jam, though.
Sounds like it's worth bringing up with the dealer, though.
Thanks for the input, folks.
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- #278 of 378
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Re: I'm having poor MPG, too! [jky]
by nissmazlover
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Jun 23, 2008 (8:01 am)
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Replying to: jky (Jun 19, 2008 3:54 pm)
Yeah, those numbers are REALLY low, so that would warrant a visit to the dealer for me. Though, like I said, I, normally, average about 19 to 21 city in NYC, at least those numbers aren't too far away from the 21mpg EPA figure. However, on highway trips, I routinely get higher than the EPA figure. My best highway fuel economy was about 34mpg, which is a lot higher than the 28 EPA figure. Your numbers are a lot lower than those, so yeah, take it to the dealer. I hope it goes well for you!
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- #279 of 378
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Re: I'm having poor MPG, too! [jky]
by mohaha
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Jun 23, 2008 (2:17 pm)
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Replying to: jky (Jun 21, 2008 10:38 pm)
I took mine to the dealer today. I'm still averaging 16-18 mpg intown. After about an hour, the upshot was "Since you're not showing any warning lights, and the computer doesn't show anything wrong, we have no idea." Seemed like a classic example of the modern overdependence on computers -- no professional curiosity at all. They told me that when the Autozone guy turned off the "check engine" light, it also wiped out any history of whatever caused it to illuminate. (It was almost certainly caused by a loose gas cap). They also tried (as I and some here anticipated) the old "Well, you don't have that many miles on it yet." I then asked how many miles I would need to drive it before I should expect to start getting the same MPG as everyone else, and exactly what change(s) would be taking place during that interval that would result in that MPG improvement. All I got was s blank look and "I dunno." The ever-so-nice lady at Mazda didn't really have a lot more to offer, other than buying gas at a different station, and the usual gas-pedal suggestions. Opened a file for me, too.
I guess I'll run another tank or two through it, so I can truthfully say I complied with their suggestions, and then take it back in if the MPG doesn't improve. All suggestions are still welcome!
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- #280 of 378
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Re: I'm having poor MPG, too! [mohaha]
by coolmazda5
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Jun 23, 2008 (6:38 pm)
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Replying to: mohaha (Jun 23, 2008 2:17 pm)
My MPG started getting stable after 2-3K miles
My only non-expert suggestion is to ask them to update the ECU with the latest code they have, other than that I would try a different gas station just to make sure the gas is not the issue
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- #281 of 378
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Re: I'm having poor MPG, too! [jky]
by fatcheson
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Jun 24, 2008 (1:03 am)
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Replying to: jky (Jun 19, 2008 3:54 pm)
Interesting, I live in Orange County California and I have owned the Mazda5 since March 08. I have had the same problem with low mileage within the city. I have been getting better MPG as the car has been breaking in but, only Hwy miles. This last Gas Tank and with an oil change, K&N Filter, Hwy Miles were about 31.5 miles--107 miles to 3.4 gallons-. In the city, today I got 86 miles to 4.6 gallons, not worth doing the math on this one. I use a Yaris for City Driving and the Mazda5 for Hwy.
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- #282 of 378
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08 Mazda5 Grand Touring
by jschner
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Jun 29, 2008 (7:50 pm)
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Had the vehicle for about 6 weeks. Starting out with a full tank of gas, doing an average of about 60% highway with cruising speeds upto 75mph we have 1638 miles using 63.5 gallons of fuel for an overall average of about 25.8mpg.
Highest tank average 28.5mpg 80% highway.
Lowest 22.0mpg with 100% city driving / no traffic jams.
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