Happy with my new mpg - JeepForum.com
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post #1 of 20 Old 05-16-2014, 12:47 PM Thread Starter
Salv
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2009 KK Liberty 
 
Join Date: Apr 2014
Location: Alexandria
Posts: 10
Happy with my new mpg

Just wanna share my new mpg:
2009 Limited, stock no mods, with 36k miles.
Was 13:14 mpg city, maximum of 17 mpg highway.
I did the following:
1- oil & filter change.
2- air filter change.
3- spark plugs change.
No noticeable more mpg, then:
1- Throttle body clean.
2- injector cleaner into 3/4 fuel tank.
Now:
15:17 mpg city & 20 : 22 mpg highway
Happy with it

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post #2 of 20 Old 05-20-2014, 08:22 PM
brunolambert
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2008 KK Liberty 
 
Join Date: Feb 2013
Location: Sherbrooke
Posts: 165
throttle body clean eh, I need to look into that. My spark plug change+injector cleaner was disappointing on the MPG side.

2008 KK Sport, Light Graystone Pearlcoat, Selec-Trac II, tow package, Firestone Destination LE2
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post #3 of 20 Old 05-21-2014, 08:36 AM
Juls1
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2010 KK Liberty 
 
Join Date: Apr 2014
Location: Cleveland
Posts: 14
Im going to have to look into this! MPG is killing me!
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post #4 of 20 Old 05-22-2014, 12:12 PM Thread Starter
Salv
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2009 KK Liberty 
 
Join Date: Apr 2014
Location: Alexandria
Posts: 10
here is some link of how to clean the throttle body, It's not the same jeep but all the parts are the same
http://www.jk-forum.com/forums/jk-wr...eaning-108746/
*** Watch the o-ring and fit it properly *****

Last edited by Salv; 05-22-2014 at 12:25 PM.
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post #5 of 20 Old 05-23-2014, 09:22 AM
Skipper6413
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2011 KK Liberty 
 
Join Date: Jul 2011
Location: Texarkana
Posts: 337
Thanks for the post! I have 37k on my lib but I'll get on this task this weekend!
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post #6 of 20 Old 07-16-2014, 10:28 AM
dtbingle
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2011 KK Liberty 
 
Join Date: Apr 2012
Location: St. Clair Shores
Posts: 121
What air filter did you use? A new stock one or an aftermarket drop in like kn's?
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post #7 of 20 Old 07-16-2014, 12:52 PM
tommudd
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2004 KJ Liberty 
 
Join Date: Aug 2008
Location: Central OH/ Kilimanjaro,Tanzania
Posts: 5,535
Quote:
Originally Posted by dtbingle View Post
What air filter did you use? A new stock one or an aftermarket drop in like kn's?
Stock type paper works best, K&N waste of money and actually lets more dirt in

04 KJ 4.5 JBA lift, 03 KJ 2.5 JBA coilovers,
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post #8 of 20 Old 07-16-2014, 01:30 PM
dtbingle
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2011 KK Liberty 
 
Join Date: Apr 2012
Location: St. Clair Shores
Posts: 121
Quote:
Originally Posted by tommudd View Post
Stock type paper works best, K&N waste of money and actually lets more dirt in
Gotcha. By stock, does it have to be the paper type specifically from a dealer, or just the paper type that fits your vehicle from any local auto store.
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post #9 of 20 Old 07-16-2014, 02:23 PM
huntb
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2008 KK Liberty 
 
Join Date: Aug 2011
Location: Grand Haven
Posts: 630
Quote:
Originally Posted by tommudd View Post
Stock type paper works best, K&N waste of money and actually lets more dirt in
My engine loves eating dirt and it sounds good doing it
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post #10 of 20 Old 07-16-2014, 02:23 PM
huntb
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2008 KK Liberty 
 
Join Date: Aug 2011
Location: Grand Haven
Posts: 630
Quote:
Originally Posted by dtbingle View Post
Gotcha. By stock, does it have to be the paper type specifically from a dealer, or just the paper type that fits your vehicle from any local auto store.
An auto store will have the correct filter to fit your Jeep
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post #11 of 20 Old 07-17-2014, 04:58 PM
Gageraid
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2008 KK Liberty 
 
Join Date: May 2012
Location: Branchburg
Posts: 1,525
Quote:
Originally Posted by huntb View Post
My engine loves eating dirt and it sounds good doing it
Same here! It scares Prius drivers, too.

OME lift
Hypertech Max Energy
CAI, Gibson exhaust, 4.7L throttle body
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post #12 of 20 Old 07-20-2014, 07:46 PM
kiwi_outdoors
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2008 KK Liberty 
 
Join Date: Mar 2014
Location: Oakland
Posts: 51
22.9 mpg highway

22.9 mpg highway, S.F to L.A., AC on most of the time, via Hwy 99 (Not I5).

almost 50,000 miles on the ODO, bone stock, 2008 Liberty Sport.

Manual transmission (6 speed)

1997 XJ, automatic, stock 4x4
2008 KK Sport 6 speed, stock 4x4
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post #13 of 20 Old 07-21-2014, 08:22 AM
lfhoward
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2008 KK Liberty 
 
Join Date: Nov 2012
Location: Morrisville
Posts: 800
I remember when I got those kind of numbers! Pre-roof basket, lift, and Duratracs.

2008 Liberty Sport 4x4 Automatic
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post #14 of 20 Old 07-21-2014, 11:27 AM
Ted15
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2010 KK Liberty 
 
Join Date: Jun 2011
Location: Akron
Posts: 578
I like my K&N drop in. If it's properly cleaned and oiled, no problem

2010 KK Sport, Detoures Knucklebone & backbone, smittybilt XRC 10, rigid led lights, R/L sliders & rack, cb, EMT2, R/K 15x7, OME, JBA, mopar skids & hitch, headlight covers, 4.10's and TruTracs
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post #15 of 20 Old 07-21-2014, 03:08 PM
tommudd
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2004 KJ Liberty 
 
Join Date: Aug 2008
Location: Central OH/ Kilimanjaro,Tanzania
Posts: 5,535
Yep, had one ( K&N) for over 20,000 miles, and yes properly cleaned oiled etc ( ran them on some older 4 wheel drives ) , better mileage and less dirt in the tube when I swapped back to stock filter

04 KJ 4.5 JBA lift, 03 KJ 2.5 JBA coilovers,
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