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v10 5mpg ?

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  #1  
Old 01-06-2012, 09:50 PM
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v10 5mpg ?

I have a 99 f350 used to get 10-12mpg. Now it's 5mpg. no codes,plugs are clean, tail pipe is clean.??? need a fresh mind on the problem
 
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Old 01-06-2012, 11:48 PM
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Have you done any thing to it recently? There is a seperate thread for your year of truck you might get some better answers
 
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Old 01-07-2012, 04:55 AM
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Super Duty & Heavy Duty - Ford Truck Enthusiasts Forums Here is a link to the page for your truck, probably better to ask the guys there.
Good luck.
 
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Old 01-07-2012, 11:11 AM
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Thanks .i will try to post it there. not so good at this. i am new to forums. no i have done nothing knew to the truck. I cant stand gas but for the time i am stuck with it
 
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Old 01-07-2012, 11:50 AM
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Hope you get the answer to the problem.
A few simple suggestions, make sure nobody is stealing some gas, make sure that you don`t have a dragging brake and make sure that one or both front huba are unlocked.
 
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