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Old 09-29-2009   #1 (permalink)
iceman320 is offline Made Member

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Default did anyone figure out this problem

I have heard of a couple people say that their gas mileage has dropped in their 4.0l stangs mine for one and another guys that lives not to far from me his did that same thing, and I was just wondering if any one ever figured out what caused the drop in mpg in the 05+ 4.0l stangs. so if any body knows what's up with this problem please let me know thank in advance.
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Old 09-29-2009   #2 (permalink)
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check your plugs and plug wires

improperly gapped plugs can make a difference
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Old 09-29-2009   #3 (permalink)
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Any ethanol blended gas in your area? 10% ethanol will drop your mileage noticeably. Also switching summer/winter blends can affect mileage.

Frank
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Old 09-29-2009   #4 (permalink)
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poor quality fuel will do it. dont burn ethanol. try a different station. quit racing each other
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goina hundred in a 55, and i dont know why..
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Old 09-29-2009   #5 (permalink)
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The ethanol is what does it for me. I know they say the drop might only be 3-5%, but I go from about 350 miles on a tank easily to struggling for 300 when I use the 10% ethanol gas.
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Old 09-29-2009   #6 (permalink)
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thats all we have here in delaware. it sucks!!!
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Old 09-29-2009   #7 (permalink)
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Quote:
Originally Posted by blue88 View Post
thats all we have here in delaware. it sucks!!!
Majority of the gas is as well around DC.
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Old 09-29-2009   #8 (permalink)
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thank the hippies in the priuses
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Old 09-29-2009   #9 (permalink)
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thank the hippies in the priuses

dont forget the demolitioncrats and their savior obama
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i have yet to find some one else who when changing their oil ( every 2000 miles or when they get bored ) details the under side of their car.

X-C April 2010,Heads, Cam,Internals April 2011, or blown engine, witch ever comes first.
The transformation has begun!
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Old 09-29-2009   #10 (permalink)
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i would have had a supercharger by now if it wasnt for "sharing the wealth"
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Old 09-29-2009   #11 (permalink)
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Come on now, you see we are always going to have different political opinions on a forum about Mustangs, I'd say we all stick to the car talk not forgetting that Bush was the one who bankrupted this country.

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dont forget the demolitioncrats and their savior obama
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Old 09-29-2009   #12 (permalink)
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i think i started the disease.... sorry!


but we all know...ahh forget it


we have the choice here regular fuel in 87 89 91 93 94 110 and e85 and 10%E
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i have yet to find some one else who when changing their oil ( every 2000 miles or when they get bored ) details the under side of their car.

X-C April 2010,Heads, Cam,Internals April 2011, or blown engine, witch ever comes first.
The transformation has begun!
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Old 09-29-2009   #13 (permalink)
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Ethanol will kill your MPG'S.Oh,REDPIMP,your incorrect about who bankrupted this country. Barney Frank,Nancy Pelosi,Harry Reid,and others had a BIG hand in that.
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Old 09-29-2009   #14 (permalink)
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I guess the billions of dollars wasted in Iraq don't count. Plus all of the American kids dead over there.

The biggest government failure during Katrina, you can't blame congress on that one that's a completely executive branch resposibility.

Oil companies getting rich at $5 a gallon and Bush telling you that is supply and demand. Please dude remember the family business. Ok, yeah. That dude never ran anything successfully and he did the same thing to this country.
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Old 09-30-2009   #15 (permalink)
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Quote:
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I guess the billions of dollars wasted in Iraq don't count
Wasted? When the towers were attacked when clinton was in office he did nothing about it,(sending the message that there is no punishment for trying to kill americans), what do you know, they came back, all clinton did about it was monica, bush was sending the message that needed to be sent years before, and i think would have saved innocent american lives. congress voted on it, it wasnt just bush going in alone
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