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

Fuel Filter

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Old 06-06-2008, 07:37 PM
  #31  
jrherald420
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Join Date: May 2007
Location: Smyrna, TN
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Default RE: Fuel Filter

i just replaced my fuel filter in the mustang it was the stock one with 58xxx miles on it and my mpg has went from 19 to 24 mpg half hwy/city and my wifes trailblazer with 78xxx with the stock filter went from 15 mpg to 20mpg driving half hwy, half city.


the mustangs rpms at 80mph went from 2400 rpm to 2100 rpms and idle went from 600-700 down to 500 rpm. i was very happy.
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