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gas mileage

  1. Changed fuel filter, increased fuel consumption

    4.6L Tech
    Hey guys, I have an 01 gt. I changed the fuel filter for a standard motorcraft one(also used a fuel system cleaner) and suddenly my car has started to waste gas like crazy. I haven't tested the mpg yet but I don't think taking a 30 minute drive on a highway should waste almost a quarter tank...
  2. is 18 mpg average normal for a 2003 3.8 v6?

    V6 Talk
    Hello all, :) I'm new to this site, and I was wondering what the average mpg is for users on here who drive v6 mustangs? I purchased a v6 rather than a GT hoping the gas mileage would be better, but now a few people I know have early 2000's GT's that get better gas mileage than my 2003 v6...
  3. 1995 mustang gt terrible gas mileage! help!

    AllFordMustangs.com Site Problem and Bug Reports
    I own a 1995 Mustang GT 5.0L automatic, it runs very smooth and is decently fast. But i have been getting the most terrible gas mileage since i bought it. it consistently gets 13 mpg and 14 if im lucky, i know these cars should be getting 17-18 in town and like 22-23 on hwy. i have not done...
  4. New guy!1995 mustang gt terrible mpg! please help!

    Introductions
    I own a 1995 Mustang GT 5.0L automatic, it runs very smooth and is decently fast. But i have been getting the most terrible gas mileage since i bought it. it consistently gets 13 mpg and 14 if im lucky, i know these cars should be getting 17-18 in town and like 22-23 on hwy. i have not done...
  5. o2 sensor problem 2002 Mustang 3.8

    V6 Tech
    I bought a pair of pacesetter long tube headers for my mustang. It didn't come with a extender kit but wire to extend them your self. so i did and both of the o2 sensors works for a few days while i went to work and back with just the headers on; the rest of the exhaust was off. i soddered the...
  6. help needed 2003

    V6 Tech
    I have a 2003 coupe 112k on it. My gas mileage is terrible. A full tank and my gas light is on between 180-200 miles I don't drive the car hard at all. I would guestimate i used to get around 240 - 260. The car got new plugs, wires and fuel filter at about 85k I just replaced my bad coil pack...
  7. Anyone use a " vortec cyclone"

    2005-2010 Mustang GT Tech
    Vortec cyclone, just install it into your cold air intake and presto! Instant horsepower, and improved gas mileage! Really?? Is this for real?
  8. 1990 Mustang LX Convertible 2.3L, Charcoal Canister necessary?

    2.3L Tech
    So I recently put a short ram intake on my mustang. Removed the stock intake, which was connected to the (charcoal canister?). My Question is, do I rlly need this connected? I want decent gas mileage as money's tight, but I love my intake. If this needs to be connected, is there a way to...
  9. SCT SF3/X3 Tuner: Increased mileage?

    4.6L Talk
    Im thinking of buying a SCT tuner for my 2000 GT, but am wondering if it is worth it? I have the usual bolt ons. Will I see a noticable increase in power? Gas mileage? Can the SCT SF3/X3 tuner also do things like change tire RPM's? Thanks!
  10. A Proven Way to Increase MPG

    2005-2010 Mustang GT Tech
    How to Increase Your Gas Mileage on Your Vehicle | A Thing for Cars I have been using this method for 2 years now, and the mustang shows no problems. Every fill-up my fuel economy improves by 20-30%. I used to get 24 mpg on the highway and now I get 28-30 mpg. Try It! How to Increase Your Gas...
  11. A Proven Way to Increase MPG

    2005-2010 V6 Mustang Tech
    How to Increase Your Gas Mileage on Your Vehicle | A Thing for Cars I have been using this method for 2 years now, and the mustang shows no problems. Every fill-up my fuel economy improves by 20-30%. I used to get 24 mpg on the highway and now I get 28-30 mpg. Try It! How to Increase Your Gas...
  12. Extremely Poor mileage in a 65 V8

    Classic Tech
    I know this is about as vague a question as you can get, but here goes: If the engine is running great (no hesitations, stalls etc), and the timing is set right, everything is gapped properly, and I've started driving without putting my foot in the carb, what would cause a rather painful 8 mpg...
  13. 1988 Mustang LX 5.0- Getting only 10 mpg

    5.0L Tech
    My 5.0 is getting a nasty 10 mpg... I am pretty sure it is running rich cause I can smell it and if I rev it up past 3 grand and then let off I get some popping out the exhaust (sounds like small backfires). The timing is somewhere between 10* - 14* btdc... What can I do to get the car to run...
  14. 2011 Mustang MPG - What's Your Experience?

    2011 - 2014 Mustang GT Tech
    I just took my first Mini-Trip with my 4 day old, 300-miles on the Odometer, 2011 GT with 6M Transmission. Car is NOT broken in yet. Here are my results. Am I dreaming? Filled up with gas. Topped it off. Drove 30 miles at 40 mph on state roads Drove 76 miles at75- 80 mph on the Interstate...
  15. 2001 Mustang EVAP leak question

    V6 Tech
    Hey folks, Here is the situation, my mustang right now is getting ~200 miles to a TANK! Recently I diagnosed a bad canister purge valve, which I haven't replaced yet. Could this be the reason (or part of) for such poor gas mileage? I've looked, listened, and smelt around the engine bay...
  16. Unplugging the EGR

    2.3L Tech
    Okay so I keep reading about the EGR getting unplugged helps out. Some people are saying just unplug it, others say block it off. Whats the best way to do this and why? I was thinking about just going and unplugging it, any problems with that? Thanks guys, Apollo P.S. - I'm no...
  17. Best RPM for gas milage?

    2005-2010 V6 Mustang Tech
    so im wondering what the best rpm is for gas mileage. im still stock for now, and i do alot of in town driving and am averaging 18-20 mpg. on freeway going 70 i get about 29 (very nice) i thought i saw somewhere on here that 2,000 rpms is the best place to be. but i was wondering at what rpm you...
  18. 1991 Mustang 3.55 or 3.73 gears

    5.0L Tech
    I have a 91 5.0 stick shift, I want to put gears in the car but I'm not sure if it would be a good idea because of gas mileage. This is my only car and I do a lot of highway driving. Just wanted to know how it will effect my gas mileage. rite now I get 25-27 mpg on the highway. I want to...
  19. how many mpg are you all getting with 4.10's

    4.6L Talk
    so im getting ready to order a set of 4.10 gears just wanting to know what kind of gas mileage you all are getting and any additional info about the gears thanks guys
  20. 4.10 gear info, rear end

    4.6L Tech
    So im thinking about putting 4.10 gears in my car i drive it a fair amount and i was wanting to know from you other guys with mustang gt's what kind of gas mileage will i get i have 17 in wheel's and a tremec 3650 trani... let me know if its reasonable and if so what is a good name brand set of...
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