IS F (2008-2014) Discussion topics related to the IS F model

Pls Explain Gas Tank Avg.

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Old 04-08-10, 04:13 PM
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Galaxy 40
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Default Pls Explain Gas Tank Avg.

Can someone explain it to me? My GTA is 13-14.
Thanks
Old 04-08-10, 04:15 PM
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HyperMKIV
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in what aspect exactly??? can you be more specific???
do you want to know why you're having such bad gas mileage???
Old 04-08-10, 05:09 PM
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infinus
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Originally Posted by Galaxy 40
Can someone explain it to me? My GTA is 13-14.
Thanks
Is this at the end of a tank or a just shortly after filling up?
Old 04-08-10, 06:18 PM
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Galaxy 40
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Originally Posted by infinus
Is this at the end of a tank or a just shortly after filling up?

If its at the end of a tank what does it mean? and what does it mean if its shortly after filling?

Last edited by Galaxy 40; 04-08-10 at 06:25 PM.
Old 04-08-10, 06:38 PM
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spekterg35
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Shortly after filling, it's because you are probably somewhere where you will have to start and stop a bit. The acceleration fuel usage is the first thing the car will register after you fill up and will therefore be low.

At the end of the tank, the system is processing all of the driving you did with the car over that tank of gas. City/Highway/Idling is all taken into consideration to get a final average.

If all you do is drive up and down the strip all day, you would probably see around 12-14 MPG average. If you are cruising on the highway a lot (not stop and go), you would be in the 20s.

I average about 19 and drive pretty conservatively.
Old 04-08-10, 07:00 PM
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bnizzle87
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i generally see about 14-16 on a new full tank of gas. it slowly creeps up to the 20s easily once you're on the highway. i wouldnt make too much of it at the beginning of a new tank. at the end, i think maybe theres a lot of stopping and going. maybe traffic, maybe street routes, maybe some WOTs--but to have 13-14 at the end seems low if you're simply cruising without really stopping or having to accelerate a lot. it has more to do with driving style and area than the car itself.
Old 04-08-10, 07:03 PM
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n0th1ng
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so basically if your driving 13-14 at the end u need to easy off gas a bit ahah
Old 04-08-10, 09:45 PM
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lobuxracer
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I've seen 5.3 mpg on a tank...
Old 04-08-10, 11:40 PM
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zenbert
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you guys got heavy lead foot or the gauge is faulty... sheesh...

i got easily 18-19 average before the intake and exhaust modification, and it's now around 16-17 because i'm more prone to hit the accelerator harder to hear the exhaust note.
Old 04-08-10, 11:44 PM
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n0th1ng
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my highest mpg on my F was

for a while
this was actualy dropped from 34 tryin to keep up with traffic..
but you all probably know it is after fillin her up..
anyways rite now i'm avg about 19 city+highway..
Old 04-09-10, 08:42 AM
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lobuxracer
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Originally Posted by zenbert
you guys got heavy lead foot or the gauge is faulty... sheesh...

i got easily 18-19 average before the intake and exhaust modification, and it's now around 16-17 because i'm more prone to hit the accelerator harder to hear the exhaust note.
Gauge is accurate. I got 5.3 mpg on a track event weekend. I normally get ~20 mpg with mixed city/highway, more highway than stop and go.
Old 04-09-10, 09:01 AM
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Galaxy 40
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Thanks guys,

I do drive short trips to work in manual and sport mode...I tend to step on the gas because I like the sound the car makes but my wife hates it.
Old 04-09-10, 09:17 AM
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Galaxy 40
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Originally Posted by lobuxracer
Gauge is accurate. I got 5.3 mpg on a track event weekend. I normally get ~20 mpg with mixed city/highway, more highway than stop and go.

5.3mpg, was it race gas?
Old 04-09-10, 10:44 AM
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Originally Posted by Galaxy 40
5.3mpg, was it race gas?
No. Race gas would be a total waste of money. 93 octane works just fine.
Old 04-09-10, 11:46 AM
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Joe Z
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Lightbulb

My life Average is 20.5 mpg right now.

I'm usually good for 22-23 mpg in the Tank Avg..

My F is a Freeway Queen and a total waste...!!!! LoL

Joe Z


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