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Old 06-18-2014, 11:01 AM   #1
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Horrible gas mileage

Hi I drive a 2000 v6 mustang and I am getting terrible gas milage.the tank takes 70$ to fill and I get 200km to the tank which is 140miles and I no I should be getting ALLOT more then that. Sadly the car is on 20" rims so that may be the cause I haven't took it I to get looked at cuz all my money has been invested in gas. Any quick help is greatly appreciated.
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Old 06-20-2014, 03:24 AM   #2
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Dang, thats worse then my gt.
Hows the car running?
Might want to look into a tune up, make sure you run the correct octane for your car check for vacuum leaks etc.
I only noticed maybe an extra 15 to 20 miles per tank when I switched back to 17's from 20's haha.
Also flooring it doesn't help

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Old 06-26-2014, 02:28 PM   #3
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I replaced my downstream o2 sensors and got back to stock mpg on my 2000 gt with 200,000 miles on it



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Old 06-27-2014, 12:01 AM   #4
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$70? To fill up your tank. Do you use 91+ octane mine only uses 40ish and get around 240+/- a tank ALL STOCK
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Old 06-27-2014, 04:38 AM   #5
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$70? To fill up your tank. Do you use 91+ octane mine only uses 40ish and get around 240+/- a tank ALL STOCK
40ish to fill up? Where do you live lol.
We have 15 plus gallon tanks... that means gas would be like $2.70
I need to move there haha

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Old 06-27-2014, 10:02 AM   #6
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Obviously my gauge is messed up cause I only pump around 12-13 gallons when my car is already on E. Plus I pum 87 cause its a V6
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Old 06-27-2014, 01:34 PM   #7
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I live in Canada so we use liters not gallons and its 200km which is 140miles
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Old 07-02-2014, 05:25 PM   #8
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I replaced my downstream o2 sensors and got back to stock mpg on my 2000 gt with 200,000 miles on it

I get a solid 11mpg what does yours get?

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Old 07-02-2014, 07:40 PM   #9
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I get 21 hwy and 17 to 18 city


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Old 07-05-2014, 12:24 AM   #10
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Have you recalibrated your odometer and speedometer?

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Old 07-06-2014, 09:42 PM   #11
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22 mpg here. 2000 gt 5 speed. Cost about $46-47 to fill up.


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Old 07-06-2014, 10:36 PM   #12
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According to my app I get around 19-21 mpg with a cross of 30/70 city/highway. My work commute is maybe 40mi daily cause I also pick up a co worker
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