2005-2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

why is it that...

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Old Jan 1, 2008 | 08:11 PM
  #1  
22kart22's Avatar
22kart22
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Default why is it that...

I run my tank until the gas light stays on for like 2 days, but when I fill up, it only takes 13.5 gallons with being topped off???


I know we have a reserve, but, is my gas guage really that off??
Old Jan 1, 2008 | 08:21 PM
  #2  
howarmat's Avatar
howarmat
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Default RE: why is it that...

the light comes on around 50 to go +1 gallon after that so 13.5 sounds right
Old Jan 1, 2008 | 08:30 PM
  #3  
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Default RE: why is it that...

i dont understand the question
Old Jan 1, 2008 | 08:42 PM
  #4  
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22kart22
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Default RE: why is it that...

I don't purposely run it dry because of all the sediments, but I get gas every 2 weeks and fill it all the way up.. And it never takes more than 14 gallons
Old Jan 1, 2008 | 08:49 PM
  #5  
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howarmat
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Default RE: why is it that...

its a 16 gallon tank, you have 1 gallon once it gets to the 0 to go mark....if you get about 18-20 mpg and dont run it to E anyway.....im lost at the point you are trying to make
Old Jan 1, 2008 | 08:56 PM
  #6  
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22kart22
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Default RE: why is it that...

My point is that I can run the car until the gas light comes on, put tons of more miles on it, and think that I am about to run out of gas completely, but when I fill the tank, It can only take 14 gallons...

Can my gas guage be off that badly?
Old Jan 1, 2008 | 09:10 PM
  #7  
howarmat's Avatar
howarmat
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Default RE: why is it that...

what is "tons of more miles"

15, 30, 50, 100

Old Jan 1, 2008 | 09:12 PM
  #8  
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hammeron
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Default RE: why is it that...

yes, apparently

how are those boomtubes
Old Jan 1, 2008 | 09:31 PM
  #9  
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06Saleen3V
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Default RE: why is it that...

The tank is 15.7 gallons with a one gallon reserve. The most I have ever put in is 14.9 gallons...not a smart idea [&:]
Old Jan 1, 2008 | 09:34 PM
  #10  
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Default RE: why is it that...

I heard that it was bad to run it down that low....something to the effect that the fuel pump has to work more....I could be wrong. I always fill up when I have about 1/4 of a tank...unless I am lazy and do not feel like getting out of the car to pump gas at that time



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