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

Possible tune problem?

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Old May 11, 2007 | 04:13 AM
  #11  
bl1nk's Avatar
bl1nk
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Default RE: Possible tune problem?

275/40/17
Old May 11, 2007 | 04:16 AM
  #12  
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s197 Junkie
 
Joined: Sep 2006
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From: IN
Default RE: Possible tune problem?

Wow that is like 1.5 inch drop without using springs. Yeah that would be off more than a couple
Old May 11, 2007 | 04:18 AM
  #13  
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Default RE: Possible tune problem?

Yeah, I like the width though... I did notice the drop in ride height as well... and alot of people have mentioned while riding "Man this thing sits really low".
Old May 11, 2007 | 11:41 AM
  #14  
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Default RE: Possible tune problem?

Would 275/35/17 fit on the stock 17 inch bullits? Also what kind of tires do you have and if you have a picture from the back to se ethe width?

sorry for the off topic ?
Old May 11, 2007 | 11:55 AM
  #15  
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Default RE: Possible tune problem?

The wider the tire, the more rolling resistance you will have. Did you get new tires and notice the mileage dropping a week later?
Old May 11, 2007 | 12:12 PM
  #16  
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Default RE: Possible tune problem?

Yes, my tires are on the stock rims. I do not have any pictures yet, but I can take some later today.

No, the bad mileage started around 2 weeks ago, and the tires have been done for well over a month now.
Old May 11, 2007 | 01:02 PM
  #17  
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Default RE: Possible tune problem?

ORIGINAL: bl1nkage

Lately Ive been getting horrible gas mileage. Now Im not one to complain about mileage, because I bought a sports car not an econobox, but its just getting ridiculous lately.... I used to get 20-22 mpg, with mixed driving, and that included me getting on it and having fun at times as well. But for the last 5 or 6 fill ups Ive been getting around 12-14 mpg, and thats driving like a granny.... could my tune be so rich that Im losing massive amounts of fuel through the exhaust and getting horrible mileage or should I be looking for other problems like a possible fuel leak or something? Im getting all my mpg info from the computer, and while I know its not perfectly accurate, I find it hard to believe that it could just be 10 mpg off. I also reset it every time I fill up. Any info is appreciated, and asap too. Thanks.
I've had this problem too since new, always getting 11.5 mpg with granny driving mode. [&:] Can u imagine if i floor it a couple of times? jeez...
Old May 11, 2007 | 04:20 PM
  #18  
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Default RE: Possible tune problem?

Wow... yeah yours is slightly worse than mine lol. Im just really curious why its doing it. When I first start my car up, before I get in I smell the premium... ALOT. Thats why I was wondering if I might be running rich, because I can smell gas when the car is running, but I have no visible leaks. Not sure if maybe it just uses a little extra gas when it first cranks up or what...?
Old May 11, 2007 | 06:15 PM
  #19  
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kenthicken
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Joined: Aug 2006
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From: Los Angeles, California
Default RE: Possible tune problem?


ORIGINAL: MexGT

ORIGINAL: bl1nkage

Lately Ive been getting horrible gas mileage. Now Im not one to complain about mileage, because I bought a sports car not an econobox, but its just getting ridiculous lately.... I used to get 20-22 mpg, with mixed driving, and that included me getting on it and having fun at times as well. But for the last 5 or 6 fill ups Ive been getting around 12-14 mpg, and thats driving like a granny.... could my tune be so rich that Im losing massive amounts of fuel through the exhaust and getting horrible mileage or should I be looking for other problems like a possible fuel leak or something? Im getting all my mpg info from the computer, and while I know its not perfectly accurate, I find it hard to believe that it could just be 10 mpg off. I also reset it every time I fill up. Any info is appreciated, and asap too. Thanks.
I've had this problem too since new, always getting 11.5 mpg with granny driving mode. [&:] Can u imagine if i floor it a couple of times? jeez...
May be the fuel quality too. So Cal fuels are not exactly great (even Chevron), and I'm between 11.5 and 14 (city) usually.
Old May 11, 2007 | 07:34 PM
  #20  
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phatphil
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Default RE: Possible tune problem?

If you have the SCT 2, just go in and correct for the tire size. If you don't know the revolutions for your tire size go to Tirerack. com and look it up.
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