Jeep Wrangler Forum

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-   -   gas milage (http://www.wranglerforum.com/f19/gas-milage-152193.html)

Hondo lane 04-08-2012 06:51 PM

gas milage
 
What kind of milage everyone getting with their 4.0.

907farmer 04-08-2012 07:27 PM

10 to 15 city. The big factor is 4wd vs 2wd. About 15 in 2wd. Mine is a 5 speed tranny.

locked 04-08-2012 07:28 PM

5 speed, 35" swampers, 4.88 gears..normal driving 15~

MD4P 04-08-2012 07:42 PM

20 -22 !

I drive like a granny ( speed limit )/ accelerate slow, I have 32s everything else is stock,

6 speed manny

kfdjason7620 04-08-2012 07:44 PM

18-19 consistently, and I also drive it like a baby. I could tell a big difference just by keeping it 5 under the speed limit. And I work with a guy that makes his own biodiesel and he told me something I will never forget, to mash the accelerator as if an egg was under it.
And 31s with an auto with 3.07 gears

hellkatshockey 04-08-2012 07:47 PM

Everything is stock just changed my o2 censors and upgraded the air filter and I get 14-16 city and have seen 18 on the highway auto trans

robrat 04-08-2012 09:41 PM

Just bought an 2005 LJ, 81,000 miles 4.0/6 speed, 235-75R15's. 3.73's I think. I've gotten 17 and 19 mpg on the 2 tanks I've put through it, hoping I can keep that up or get better.

Will 31's help or hurt my MPG?

locked 04-08-2012 10:29 PM

Quote:

Originally Posted by robrat (Post 2235113)
Just bought an 2005 LJ, 81,000 miles 4.0/6 speed, 235-75R15's. 3.73's I think. I've gotten 17 and 19 mpg on the 2 tanks I've put through it, hoping I can keep that up or get better.

Will 31's help or hurt my MPG?

Probably hurt. More tire to start moving..especially in town. Not going to be bad though..

Mariah94 04-08-2012 10:35 PM

32's on 4" and I get roughly 15-17 on my good days. Lately here it's been 12-14 though.

blackegg 04-09-2012 08:28 AM

Quote:

Originally Posted by hellkatshockey
Everything is stock just changed my o2 censors and upgraded the air filter and I get 14-16 city and have seen 18 on the highway auto trans

What does changing the O2 sensors do? Should they be changed when Jeep moves to higher altitudes?


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