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November 12th, 2010, 12:20 AM
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#1 |
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Regular
2002 Mustang GT
NA
Join Date: Apr 2010
Location: Washington
Posts: 57
 iTrader: 0 reviews
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Poor Fuel Mileage
Lately ive been dumping fuel like no other. maybe im just noticing it but not sure. My car throws no codes. could it still be my o2 sensors? i have no cats and simulators. car smells a little rich but may be because my Throttle body so that may be the fuel being used so fast but just noticed its terrible for fuel mileage. 70mm TB and plenum any thoughts?
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November 12th, 2010, 12:43 AM
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#2 |
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I Post Entirely Way Too Much
2003 mustang v6 ;)
slow
Join Date: May 2010
Location: eglin afb florida
Posts: 10,197
 iTrader: 2 reviews
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the off road pipe does not really effect fuel milage. the rear o2 only trip a check engine light but it does not effect the car as well. your loss in gas milage may be due to an exhaust leak. alot of H/X pipes dont fit very well with the stock manifolds and leak a little
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November 12th, 2010, 12:45 AM
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#3 |
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I Post Entirely Way Too Much
2003 mustang v6 ;)
slow
Join Date: May 2010
Location: eglin afb florida
Posts: 10,197
iTrader: 2 reviews
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this is also reaching out there but some people tweek there tps when they put it on a new throttle body and that can cause a slight change in gas milage. other than that i dont know much about your car. im just laying out what happens with the parts you listed. it could be something totaly diff
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November 12th, 2010, 01:12 AM
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#4 | |
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Hardcore Enthusiast
 
2000 GT 'vert
Join Date: May 2010
Location: The devil's toe nail, AZ
Posts: 2,648
iTrader: 0 reviews
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how bad is the mpg?
__________________
"...but don't say my car's topless, say the titties is out" Nas
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November 12th, 2010, 09:36 AM
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#5 |
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Hardcore Enthusiast
2004 Mustang GT
Join Date: Sep 2010
Location: Imperial, MO
Posts: 1,961
iTrader: 2 reviews
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The O2's have to be pretty worn out before they'll start throwing a code. In other words, yes, if the front O2's are old, they could be reducing your MPG without throwing a code.
__________________
Rod @ AzzKicker Cars 2004 Ford Mustang GT-The Driver-BBK CAI, PP TB & Inlet, Steeda UD's, SLP LM1, & 3.73's.  1990 Mercury Cougar XR7-The Meth Addict-5.0L DOHC Stroker w/2.1L KB SC.  1995 Ford F150-Mud Toy-5.0L, 4x4, 33's, & Warn 8274 Winch |
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November 12th, 2010, 09:59 AM
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#6 |
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Regular
2000 MUSTANG GT
Join Date: Aug 2010
Location: GULFPORT, MS
Posts: 102
iTrader: 0 reviews
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maybe it's your lead foot.....hhhmmm?
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November 12th, 2010, 12:37 PM
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#7 |
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Regular
2002 Mustang GT
NA
Join Date: Apr 2010
Location: Washington
Posts: 57
iTrader: 0 reviews
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Im gonna sell it and get a different car. ive put too much money into it and i need something better for college
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November 12th, 2010, 12:41 PM
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#8 |
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I Post Entirely Way Too Much
2003 mustang v6 ;)
slow
Join Date: May 2010
Location: eglin afb florida
Posts: 10,197
iTrader: 2 reviews
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invested to much money into what? your mustang? what you have a hole grand total of a 4000 dollars worth of performance parts and now you dont get 500 miles a gallon so your going to give up on it. go buy a honda
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November 12th, 2010, 02:03 PM
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#9 |
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Premium Member
99 limited edition vert
Join Date: Mar 2007
Location: Tacoma,Washington
Posts: 3,297
iTrader: 0 reviews
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gas mileage also goes down with the winter blend gas, mine always is worse in winter
__________________
 KB'd 446rwhp/451rwtq, Mustang Dyno http://www.youtube.com/watch?v=3ZDpQ0EEm1MTuned by Joe at http://www.tricktuners.com |
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November 12th, 2010, 02:50 PM
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#10 |
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Regular
2000 MUSTANG GT
Join Date: Aug 2010
Location: GULFPORT, MS
Posts: 102
iTrader: 0 reviews
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Another one bites the dust.............
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November 12th, 2010, 02:53 PM
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#11 | |
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MM Fanatic
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Its funny no one really knows about this. lol Fuel companies change the fuel from summer months to winter months. If you really watch you will loose a little MPG with the winter fuel.
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November 12th, 2010, 03:23 PM
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#12 |
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Regular
2002 Mustang GT
NA
Join Date: Apr 2010
Location: Washington
Posts: 57
iTrader: 0 reviews
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love the car. Daughter just born college is more important: (
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