My crappy gas mileage, suggestions? - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 11-30-2005
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My crappy gas mileage, suggestions?

Ok today I filled up for the 2nd time after getting 31's. To my dissapointment I averaged 13.7 mpg??? WTF?! Before I got the tires I only got 16-17 mpg. The rpm hardly gets above 3k and it's mostly country road driving no offroading. It's an Edge so it sits higher creating more drag and larger tires decrease the gas mileage but come on it's a 2wd, 3.0L V6 with 4.10 gears, I expect at least 18 mpg. Any suggestions of what could be wrong to make me get this kind of gas mileage or suggestions on items to buy to make it better?
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Old 11-30-2005
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Itz getting colder too. It will get better in the summer when the air going in your motor is warmer. I got the same thing if not worse.
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Old 11-30-2005
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Luke is right, mileage takes a dump in the winter. And being that you've got a 2002, it might be time for a tune up if you haven't done it already, sparks, wires, fluids, etc...
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Old 11-30-2005
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You might want to check your air filter and spark plugs.....Those things will have an effect on your gas mileage if they are dirty or bad.............Also, I thought cold air was better for engine performance......
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Old 11-30-2005
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Tyler, im experiencing the same problem. I got my 31's on last month and absolutly love them, but I lost 3-4 mpg or about 50-70 miles per tank. I thought 4.10's and 31's were a good combo, but i guess the 3.0 does struggle compaired to the 4.0. I also get bout 14mpg if lucky
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Old 11-30-2005
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Well I guess I forgot to mention it's an auto, and the truck only has 46,000 miles on it. So if I got new plugs and a K&N Air Filter I should notice an increase?
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  #7  
Old 11-30-2005
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You do realize that your speedometer (and odometer) will be off because of the larger tires? I'm just mentioning this because you don't list a tuner or chip in your signature.
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  #8  
Old 11-30-2005
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Quote:
Originally Posted by 0RangerEdge2
So if I got new plugs and a K&N Air Filter I should notice an increase?
nope, i have a k&n, its the tires fault for your mpg loss
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Old 11-30-2005
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i dont think the K&N will help, ive always got better mpg with the stock filter.

why dont your try another approach. drive it a little hard for one tank. see what happens. if i ***** foot mine it is actually worse than if i drive hard on it.
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Old 11-30-2005
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If you don't maintain your fuel system (clean filter and injectors), a can of Seafoam wouldn't hurt. If the truck is in good running order, it might just be the price you have to pay to run those tires.
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  #11  
Old 11-30-2005
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..Tex beat me to it: Have you accounted for the fact that your speedo is off?
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Old 11-30-2005
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[QUOTE=zabeard]i dont think the K&N will help, ive always got better mpg with the stock filter.
QUOTE]
Yeah......You don't neccessarily have to use a K&N filter......Just make sure your air filter is clean....
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Old 11-30-2005
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Quote:
Originally Posted by zabeard
i dont think the K&N will help, ive always got better mpg with the stock filter.
Yeah......You don't neccessarily have to use a K&N filter......Just make sure your air filter is clean....
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Old 11-30-2005
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yea mine went from 18 to 16 on my last fill up... im getting a new air fitler from bob pretty soon so well see if that helps or if its just the cold...
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Old 11-30-2005
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Quote:
Originally Posted by zabeard
i dont think the K&N will help, ive always got better mpg with the stock filter.

why dont your try another approach. drive it a little hard for one tank. see what happens. if i ***** foot mine it is actually worse than if i drive hard on it.
i started thinking that too, but i figured it was just a dream...but that would be sweet if its true!
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Old 11-30-2005
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i have been getting around 10mpg for about a month now and i have been really hard on it the past fill up and now have 14.3mpg, i have been thinking to get the air charger to go w/my flowmaster i only have filter now ill see if that helps but ya try to drive like u in a Rush!! might help ya
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  #17  
Old 11-30-2005
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on my truck

flowmaster = worse gas milage
air intake = worse gas milage
bigger tires = worse gas milage

magnaflow and borla made my mpg better by 1-2, flowmaster was worse by 1-2.

best gas milage i got was with a stock intake, 265/75/16 revos, magnaflow exhaust, bamachips tuner on 93 octane performance setting. that was 20.2 with an average of two tanks and it wasnt even warm out.
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  #18  
Old 11-30-2005
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Dang, that is pretty bad for gas mileage man! 13-14 is about what I should have but its not! I have 7" of lift with 35s(10" of lift total) and a Supercharger and 4.88 gears and getting 16-17 MPG(Both City and Highway)...There is something wrong with what you are getting! I drive it pretty good(meaning getting up and going) and still get 16-17 everytime I fill up and I always have to use 93 b/c of the supercharger! I would change out fluids, spark plugs, etc..
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  #19  
Old 11-30-2005
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this is for bubba and whoever else said it


i dont think that the speedo will be off that much to notice he jumped up like 2 inches...


and 4.10s nad 31s are fine, myne was fine with 33s so you whould be fine...
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  #20  
Old 11-30-2005
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Like the others ave said before in regurds to your odometer/tripometer moving form the 28s to the 32s (like i did) you have to add 1 mile for every 10 you go. So insted of you getting 220 miles on a tank, you are actually getting 240. But yes you will loose some MPG vs stock, cuz well quite frankly the 3.0 sucks *****
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  #21  
Old 11-30-2005
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I do realize that the speedo is off. It's off by 6.1% so I accounted for that. But I'm getting around 170 miles to 3/4 tank according to the gauge, but I don't use the gas gauge to calculate gas mileage. I just go by how much the truck takes to fill all the way up. So I think I'll get some fuel injector cleaner and next time get some better oil or something I dunno.
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  #22  
Old 11-30-2005
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bah.. right now im averaging 12.5.. truck runs in perfect running condition, and everything was replaced (plugs, wires, fuel filter, oil, air filter cleaned, etcc).. im ignoring it (except for stopping for gas every other day). i was gonna get a thermostat for the hell of it and get mine replaced.. but everytime i go to get it, noone has it in stock.
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  #23  
Old 11-30-2005
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^^ my truck is the same year and milage.. mine sucks too.. i might after winter try a whole tune up and hope for the best


if not, i dont care too much, its fun too have , plus mpg is what my car will be for
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  #24  
Old 11-30-2005
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you've got an 02 3.0 tho, i've got an 01 4.0.. with 85000+ miles on it. i thought the 4.0's held a little bit beter with gas mileage? i may be wrong on that. either way tho.. i've given up for now.
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  #25  
Old 11-30-2005
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I get about 15 in city....
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