New "you know you drive an xj when"
#7309
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Join Date: Dec 2011
Location: Roanoke, VA
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Year: 1990
Model: Cherokee
Engine: 4.0
I usually average 15ish, but its hard to tell the longest drive i do is 22 miles every few days mostly interstate miles so eh...plus gas is like 3.09 right now here so im not toooo too worried.....yet
#7310
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Join Date: May 2011
Location: va
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Year: 1996
Model: Cherokee
Engine: i-6 4.0
I've gotten close to 20 I think, but that was right after new, oil, filter, sea foam, 93 o, air filter, plugs, wires, coil, and o2 sensors (stock hight and 27" tires)
#7314
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Join Date: Dec 2011
Location: Roanoke, VA
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Year: 1990
Model: Cherokee
Engine: 4.0
Originally Posted by 77olds
These engines are not designed for higher octane fuels, running 93 does nothing.
#7315
Member
Join Date: Oct 2011
Location: Eau Claire, WI
Posts: 181
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Year: 2000
Model: Cherokee
Engine: 4.0L 6 Cylinder
Originally Posted by jeepsurfer1
You have something wrong, and with the price of gas I would find out!
#7319
Originally Posted by Trev1006
By FULL tune up I mean down to using sensor safe cleaner and cleaning TB and associated sensors. Also sea foam into intake and fuel.
#7320
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Join Date: Sep 2010
Location: little rock arkansas
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Year: 1999
Model: Cherokee
Engine: High output 4.0L with torque header
Originally Posted by 77olds
These engines are not designed for higher octane fuels, running 93 does nothing.