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Unread 09-16-2013, 08:42 AM   #1
LIMITEDwoLIMITS
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2003 WJ 
 
Join Date: Mar 2011
Location: Jacksonville, North Carolina
Posts: 123
help 24 mpg to 9 mpg

So i have an 03 with a 4.7 with my 2 inch lift i did new plugs fuel filter all new bushing tres alignment cleaned the tb and sensors and i was getting 24mpgs. At my last command i did upper and lower arms and trac bar. Motor and trans mounts rotors brakes and went up to 255/75/17 on moabs and i dropped down to 9 mpgs. I tried running bp premium and a cleaner and i still only get 9. Any ideas?

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03 WJ 4.7 4X4 SWAPPED IRO 4" synergyballjoints,bilstein5100,Addco rearsway,JKS discos
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Unread 09-16-2013, 09:19 AM   #2
billzcat1
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2003 WJ 
 
Join Date: Oct 2008
Location: Redmond, WA
Posts: 8,544
Brakes are probably dragging. But don't expect any better than 15 mpg with a lift and 32s.

Also, if you are using the overhead console for MPG, don't. They can be as inaccurate as 50% off, mine is about 30% off and I'm on stock tires.
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Unread 09-16-2013, 09:26 AM   #3
alfaitalia
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2004 WJ 
 
Join Date: Feb 2011
Location: Bognor, West Sussex. England. Great Britain
Posts: 2,458
Not trying to cause are argument but I doubt you ever got that MPG.....more than Jeep claimed for it when new even for a standard vehicle! As Billz said you need to tank full to tank full measure to get accurate results.......maybe your EVIC has suddenly got accurate!
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Unread 09-16-2013, 11:32 AM   #4
LIMITEDwoLIMITS
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2003 WJ 
 
Join Date: Mar 2011
Location: Jacksonville, North Carolina
Posts: 123
Ill have to check next time i fill then. When i was stationed in ms i ran 18-24 and when i got to VA i run 9-12
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