horrible gas mileage - Subaru WRX Forum
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#1 Old 04-16-2008, 03:23 AM
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horrible gas mileage

i just got my 06 wrx wagon, but i realize this car get horrible gas mileage, in the user manual says the car has a 15.9 gallon tank, but every time i fill up the tank i only get a little bit over 200 miles.i shift around 2.5k rpm just like what it says in the manual and i usually put in neutral and coast when i hit a stop sign or red light. well, I'm not so good at stick shift car yet,but i think right i shift pretty smooth,are there anything wrong with the way i drive or something is wrong with my car?

ps. i just got a K&N typhoon intake, i hope it'll give me better gas mileage.


sorry for the poor English, English is not my first language

Last edited by mosc; 04-29-2008 at 02:34 PM. Reason: Your spelling his so friggin horibal that I can't stay nutural anymore and must fix your English (which needs a capital).
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#2 Old 04-16-2008, 04:22 AM
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you have yet to post what you gas mileage is... divide your miles by your gallons and see what you are getting.

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Last edited by mosc; 04-29-2008 at 02:16 PM. Reason: spelling...
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#3 Old 04-16-2008, 06:11 AM
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maybe shift a little later so the car isn't so bogged down and the engine wont have to work as hard, have you tried a new fuel filter or maybe different plugs something easy like that? judging on your numbers you are only getting like 12.5 MPG you should be at least 20 or so.

Last edited by mosc; 04-29-2008 at 02:17 PM. Reason: isnt isn't a word
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#4 Old 04-16-2008, 10:27 AM
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Just because you have a 15.9 gallon tank doesn't mean that you are using 15.9 gallons of fuel between fill-ups. What what the gas pump says, and go off of that. When i full up for a full tank it is usually about 12.9 gallons. Hence the 3 gallons of safety tank fuel that you only use if you run it completely dry.

Last edited by mosc; 04-29-2008 at 02:17 PM. Reason: completly isn't completely wrong... I guess
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#5 Old 04-16-2008, 10:42 AM
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yeah that still seems to be a little low and you should also remember that when the yellow gas light comes on that you still have about 3 gallons worth of fuel in your tank.
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#6 Old 04-16-2008, 11:02 AM
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Quote:
Originally Posted by Jave View Post
you have yet to post what you gas mileage is... divide your miles by your gallons and see what you are getting.
let me add a little more to this.

When you fill your car divide the miles by the gallons of gas bought like stated above.

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#7 Old 04-16-2008, 12:19 PM
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just fill your tank till it clicks then stop, get in your car set the trip meter till it says 0 then drive till you have like a 1/4 tank of gas then fill it again till it clicks, then go look at how many miles you have drove then divide that by how many gallons you just put in

Last edited by mosc; 04-29-2008 at 02:19 PM. Reason: devide? Seriously?
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#8 Old 04-16-2008, 09:58 PM
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that is pretty bad, i was in the same boat, and I'm like wtf!!!! i realized i had been neglecting my tires and was a little low on air. filled it up to factory specs and gained 2 mpg's.



check your tire pressure people every time u fill up.

rollin on 17's now and they're dirty

Last edited by mosc; 04-29-2008 at 02:19 PM. Reason: im starting to wonder...
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#9 Old 04-17-2008, 06:29 AM
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Quote:
Originally Posted by baller_v24 View Post
that is pretty bad, i was in the same boat, and im like wtf!!!! i realized i had been neglecting my tires and was a little low on air. filled it up to factory specs and gained 2 mpg's.



check your tire pressure people every time u fill up.
+1000

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#10 Old 04-17-2008, 11:37 AM
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Have you cleaned your injectors also.... I have noticed that the gas in certain areas is crappier than others. BG44K and Seafoam

Paul
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2007 MS3

Last edited by mosc; 04-29-2008 at 02:20 PM. Reason: yur going to have to use english here from now on...
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#11 Old 04-17-2008, 02:58 PM
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You are putting in premium right? I got cheap and started running mid-grade because I thought..... well, it's better than regular and cheaper than premium....WRONG! It's worth it to spend the extra on premium....my 04 runs great on Shell V-Power and I get better gas mileage so in the long run it's really not that much more expensive.

Boys will be boys, but girls will be fast !
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#12 Old 04-26-2008, 06:28 AM
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BC, you can seriously screw up your ride putting lower grade in there.

HOW DARE YOU !!!

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Last edited by mosc; 04-29-2008 at 02:20 PM. Reason: yur really getting on my nerves
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#13 Old 04-26-2008, 01:03 PM
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use recommended fuel grade, which is premium...says on the inside of the gas door and in owner's manual.

rollin on 17's now and they're dirty
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#14 Old 04-26-2008, 02:35 PM
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what are some of your guys octane ratings here in Iowa we have 92

Last edited by mosc; 04-29-2008 at 02:21 PM. Reason: states get cAPITAL letters
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#15 Old 04-26-2008, 04:19 PM
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Here in Maryland I like to use Shell V-Power 93 Octane

John
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