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Old 03-24-2009   #1 (permalink)
mikebox is offline Apprentice

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hamilton   Ontario
Default 99 v6 mustang milleage

hey I've never really cover my mpg issue maybe im calculating it wrong?
I'm getting about 400 KM with a lot of highway, it just doesn't feel right.!
how much L/100 KM i believe mine is at 12.6 roughly.
how many km should i be getting if this is wrong?.

about 80 KM in city but if i jump to highway it'll turn out to the 100 km per 12.6(quarter tank) it just seems the same no matter im highway or city.



I've recently changed spark plugs, got CAI, divorced duals, run seafoam, and even a brand new alternator. I'm going to get my fuel filter changed once i get it in the shop

thxs guys.
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Old 03-24-2009   #2 (permalink)
Big Daddy's Stang> is offline Made Member

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West Coast   California
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I get 14mpg on my 20's on the city, check your tires pressure, I'm having that problem a lot of times cuz mines are profile so I forget to check them regularly I just putted some air yesterday I was running 25psi now I'm running 40psi on the back and 35 on the front...and I've done my fuel filter.
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Old 03-24-2009   #3 (permalink)
Markstang690 is offline Made Member

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Dumont   New Jersey
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so you reset your trip odometer every time you fill up and fill it all the way to the top? next time you fill up just divide the distance you went by the amount of gas it takes you to refill the tank all the way up thats what i do
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Old 03-31-2009   #4 (permalink)
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Penrose   Colorado
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I keep a running account of my gas mileage every time I fill up, and I fill the tank until the automatic shut-off in the gas nozzle clicks off, I figure it's pretty close to the same level every time. I keep a small notebook in the car and I keep a spreadsheet on my computer. A bit compulsive, but I have a really good idea of what my gas mileage is.
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Old 03-31-2009   #5 (permalink)
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West Coast   California
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Quote:
Originally Posted by 97NOTOP View Post
I keep a running account of my gas mileage every time I fill up, and I fill the tank until the automatic shut-off in the gas nozzle clicks off, I figure it's pretty close to the same level every time. I keep a small notebook in the car and I keep a spreadsheet on my computer. A bit compulsive, but I have a really good idea of what my gas mileage is.
I also do the same except keeping it on the comp or stop filling till it clicks, I always add 15.600 gals which is close to full... 15.700
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