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  1. WK Grand Cherokee & XK Commander Forum
    Hi, I have this GC 2009, 3.7L AWD, no mods/stock for last 7 years. To knock on the wood I haven't had ANY issues with it so far. Just regular maintenance. It has 70+kmiles. I mostly use it for commute to work that is not to long, towing the boat (19 feet, 1 axel) and to play n the desert-and...
  2. ZJ Grand Cherokee Forum
    I have been having a hard time finding a solid answer on this, and its probably one of those issues of everyone has a different opinion. I have been trying to find out why I have bad MPG and I am now at driving habits. I have a '95 ZJ 4.0 5 speed. Putting aside the issues with engine or...
  3. TJ Wrangler Technical Forum
    Hi everyone, Purchased a '99 TJ with 68k miles. 4.0 automatic, softop, no extras. Replaced factory size tires with 31x10.5. Since buying it last year, I have replaced: oil pan alternator exhaust manifold exhaust tie rod tie rod ends front springs spark plugs air filter tranny filter/fluid...
  4. XJ Cherokee Technical Forum
    After looking at some other threads its seems my gas mileage may not be what I should expect. I have 31" mud/snow tires, 3.5" lift, and some pretty beefy front/rear bumpers. The rear bumber has a swing gate with a 5th tire. Freeway I avg 60mpg. I just got this jeep, should I expect better...
    mpg
  5. Engines & Drivetrain
    ill probably just do an axle swap but i am looking to use normal sized tires as my 99 cherokee sport is my daily driver. I am looking for better mpg i have 3.55:1 now but after reading around this forum and cherokees forum still a little lost on which way to look lol. I want to use as little...
  6. TJ Wrangler Technical Forum
    Has anyone else noticed a difference in mpgs after changing the transmission fluid? Over three tanks of gas in mixed backroads driving I was averaging 11-12 mpg, I changed my transmission fluid as part of a regular interval for fluid change and after the last two tanks of gas, I am in the 16...
  7. JK Wrangler Technical Forum
    I currently run a Jeep JKU with a 3.8L (minivan power) automatic and i have a 3 inch rough country and 35s. I get about 10 miles to the gallon. :( I was wondering if i should plan on regearing and if that would help my mpg go up? Im also not looking to spend a lot due to other Mods i would...
  8. Jeep MK Compass & Patriot Forum
    I have the 2012 Compass Altitude with the CVT2 Transmission. I do not have the EVIC display. Though I do want one really bad. Without the EVIC (damn it), I can't view live MPG numbers. So I'm stuck with using the trip meter to see what kind of MPG I am getting. I fill up to full, reset the...
  9. WJ Grand Cherokee Forum
    Hello all wonderfull jeep people :) I have recently changed the stock muffler with a freeflow one(on a WJ overland 4.7 HO). It is a stainless steel local greek constructed muffler. The sound is nice, a little droning but ok. Can anyone confirm if there are any efficiency gain with the...
  10. WK Grand Cherokee & XK Commander Forum
    I've been debating on getting a catback system, k&n cold air intake or Hypertech Max Energy Programmer. But the real reason for this is better MPG. My question is though, is there a business or a way to have a Max Energy Programmer (or similar product) used on my grand cherokee to define my...
  11. Jeep CJ Forum
    I'd like to find a configuration of motor and tranny(any type fuel) to swap into a cj7 or cj8 with 25 to 30 mpg potential any ideas? lowest to highest cost?
    mpg
  12. Wrangler General Discussion
    Hi! I recently purchased a 2014 4 DR Rubicon, with the 3.6L V-6 engine. I just hit 1000 miles and have had to fill up 5 times. Having jeeps my whole life I know they are not known for their gas mileage....but 11 MPG?? Is anyone else experiencing this issue with a new Jeep? Thanks!
  13. XJ Cherokee Technical Forum
    I have a 2000 XJ and I am getting 9 - 10 mpg or less for gas mileage. It doesn't through any codes, I've changed the spark plugs to good plugs, changed the wiring rail, Cleaned the intake thoroughly, changed the TPS sensor, idle air control valve, fuel pressure is at 45 psi, there are no...
  14. TJ Wrangler Technical Forum
    I recently put a new 4.0 motor in my 2000 TJ. I got it straight from Chrysler, I have 6,000 miles on new motor. I was getting about 24 mpg on old motor till it blew its guys. Now on this motor I'm about 15 mpg. Any reason why? Suggestions to do fix?
  15. YJ Wrangler Technical Forum
    Hey there, Still new to the Jeep world and loving it. I have recently did a 2.5 lift with 31inch tires. I have a 20gal gas tank and I seems to only be getting 10mpg....I am willing to accept low milage but I feel that getting only 10mpg is a bit low. Any thoughts on how I can get more...
  16. TJ Wrangler Technical Forum
    Can a faulty TPS (that didn't throw a code) be a potential for lost fuel mileage?
  17. ZJ Grand Cherokee Forum
    I adjusted my tv cable or (kickdown) cable on my 96 zj with 211,000 miles and the last 3 tanks since I have averaged 17 mpg when before I would average 15. This is with a 5 inch lift and 32 mts and stock gearing. Speedo has been calibrated. I only tightened the cable a small amount but it must...
  18. KJ Liberty Forum
    I have a 2004 Liberty, mostly stock, with a towing package. I was wondering what kind of mileage other drivers are getting with theirs? I feel like mine is incredibly low.
  19. WK Grand Cherokee & XK Commander Forum
    Hey all, Graduating college in the next month or so and I have to purchase my first vehicle. Family has had Jeeps throughout my life and I've learned to love them. However, one major issue. My commute to work alone will be about 20k miles/year. However, 90% of this commute will be on 60-70 mph...
    mpg
  20. YJ Wrangler Technical Forum
    Hey! I know this is going to depend on your engine size and your spirited driving.. but I was wondering what your avg mpg is? I have a 91 Wrangler. lmk! :)
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