4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

I'm sure every1 has asked or noticed this on their stang but....

Old 11-28-2008, 01:57 PM
  #21  
mustangman02232
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my guage sticks at full sometimes, ill go 50 miles, shut the car off and start it back up and ill be at 3/4-7/8 of a tank
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Old 11-28-2008, 11:11 PM
  #22  
Pure Shadow77
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Originally Posted by jmac72187
Actually its a 15.7
dam really? cause i read, i think on edmunds.com, that it was lik 14.2 or 14.5 or something
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Old 11-28-2008, 11:17 PM
  #23  
mustangman02232
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Originally Posted by Pure Shadow77
dam really? cause i read, i think on edmunds.com, that it was lik 14.2 or 14.5 or something
it says in your owners manual 15.7
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Old 11-28-2008, 11:40 PM
  #24  
Jbauer
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4 real? To my knowledge also it was only 14.5. heck 20 bucks just about fills it up
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Old 11-29-2008, 05:58 AM
  #25  
DickH
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I thought the gauge wasn't so linear when I was trying to pay attention to my gas millage. The first 1/4 tank would be 2x the last 1/4 tank or something like that. I could close in on 200 miles for the first half tank and it would seem like an extra 80 miles and I was damn near on the E. As long as it is showing that I have gas I don't worry too much, I know my car isn't for the mpg, and really I just use it for the "do I get gas now or wait til after work"
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Old 02-21-2009, 01:44 PM
  #26  
BlackStallion98
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I get terrible MPG. Everytime I fill up, the pump clicks no higher than 13 gallons. Once I filled up drove around for a bit then went back and still clicked at 13 gallons.
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Old 02-21-2009, 01:57 PM
  #27  
945LSTANG
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mine stays on the full line until it has burned about 5 gallons.
according to my gas gauge, getting from columbia to st louis doesnt burn any gas.

afterwards it drops pretty quickly. i swear you can watch it move when you get on it.
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Old 02-21-2009, 02:04 PM
  #28  
vanquish
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When the tank is full, the fuel level float is maxed out while gas is even above the float. So you have to burn a decent amount of fuel before it reaches the point of affecting the float.
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Old 02-21-2009, 02:10 PM
  #29  
945LSTANG
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Originally Posted by vanquish
When the tank is full, the fuel level float is maxed out while gas is even above the float. So you have to burn a decent amount of fuel before it reaches the point of affecting the float.
i guess. its still pretty lame though.

my 94GT didnt do any of this.
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Old 02-21-2009, 02:37 PM
  #30  
Bullitt5339
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When I first bought my car, it was like 20 degrees outside, so I filled up while the car was running. Got back in and took off and noticed I was still on Empty!!!!!! Turned the key off and back on, and it was back up to FULL. My buddy's Mach 1 does the same thing though, so I guess it's normal for these cars.
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