Jeep Cherokee Forum

Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here XJ (84-01)
All OEM related XJ specific tech. Examples, no start, general maintenance or anything that's stock.

fuel economy

Thread Tools
 
Search this Thread
 
Old Dec 22, 2008 | 05:39 PM
Share
  #1  
thebrow89's Avatar
thebrow89
Thread Starter
Seasoned Member
 
Joined: Nov 2008
Posts: 413
Likes: 0
From: belleville il
Year: 1992
Model: Cherokee
Engine: 4.0
Default fuel economy
i got a 92 wit a 4.0 runnin 31x10.50s and three inches of hamemade lift and i used to get about 225 miles on a tank of gas now im only gettin bout 150 idk y any ideas it still runs fine.
Reply
0
Old Dec 22, 2008 | 06:02 PM
Share
  #2  
Jsny1010's Avatar
Jsny1010
Member
 
Joined: Oct 2008
Posts: 171
Likes: 0
Year: 89
Model: Cherokee
Engine: 4.0L
Default
tune up, 02 sensor, MAP sensor, use fuel injector cleaner, engine temp?
Reply
0
Old Dec 22, 2008 | 06:28 PM
Share
  #3  
thebrow89's Avatar
thebrow89
Thread Starter
Seasoned Member
 
Joined: Nov 2008
Posts: 413
Likes: 0
From: belleville il
Year: 1992
Model: Cherokee
Engine: 4.0
Default
i just did a tune up as in plugs wires cap rotor engin temp is little low cause its hella cold out side im runnin lucus right now.
Reply
0
Old Dec 22, 2008 | 09:22 PM
Share
  #4  
StillwaterEMT42's Avatar
StillwaterEMT42
Member
 
Joined: Oct 2008
Posts: 197
Likes: 0
From: Stillwater, NJ
Year: 1994
Model: Cherokee
Engine: 4.0 L AMC 242 High Output
Default
Were you getting 225 before the homemade lift and tires?
Reply
0
Old Dec 23, 2008 | 08:30 AM
Share
  #5  
raypla's Avatar
raypla
Seasoned Member
 
Joined: Dec 2008
Posts: 316
Likes: 0
From: 10 mi NE of Albany NY
Year: 1999
Model: Cherokee
Engine: 4.0
Default
Did you correct speedo for the new tires?
Last edited by raypla; Dec 23, 2008 at 09:56 AM.
Reply
0
Old Dec 23, 2008 | 02:33 PM
Share
  #6  
bowmanco05's Avatar
bowmanco05
Junior Member
 
Joined: Aug 2008
Posts: 101
Likes: 0
Year: 2000
Model: Cherokee
Engine: 4.0
Default
Originally Posted by raypla
Did you correct speedo for the new tires?
not trying to be a smarta** here, but why would an incorrect speedometer result in poor fuel economy
Reply
0
Old Dec 23, 2008 | 05:05 PM
Share
  #7  
raypla's Avatar
raypla
Seasoned Member
 
Joined: Dec 2008
Posts: 316
Likes: 0
From: 10 mi NE of Albany NY
Year: 1999
Model: Cherokee
Engine: 4.0
Default
Originally Posted by bowmanco05
not trying to be a smarta** here, but why would an incorrect speedometer result in poor fuel economy

When you have bigger tires your not acctually going as far as your odometer is registering, then when you calculate your mpg your calculating the wrong mileage:gas used.
Reply
0

Trending Topics

Old Dec 23, 2008 | 10:14 PM
Share
  #8  
XJ?2010's Avatar
XJ?2010
CF Veteran
 
Joined: May 2008
Posts: 2,914
Likes: 5
Year: 1987
Model: Comanche
Engine: I6 4.0L
Default
Or iff you have a distance till emety calc. in your rig mine has one and it doesnt work worth a damn
Reply
0
Old Dec 24, 2008 | 05:10 AM
Share
  #9  
Metmknice's Avatar
Metmknice
CF Veteran
 
Joined: Oct 2008
Posts: 2,127
Likes: 2
From: Hell, CA
Year: 1989
Model: Cherokee
Engine: 4.0L I6
Default
winter fuel usually burns a little faster cuz the mix they use is different.
Reply
0
Old Dec 24, 2008 | 11:46 AM
Share
  #10  
thebrow89's Avatar
thebrow89
Thread Starter
Seasoned Member
 
Joined: Nov 2008
Posts: 413
Likes: 0
From: belleville il
Year: 1992
Model: Cherokee
Engine: 4.0
Default
i been runin the tires for a while and still had from a tank it changed right after the lift and kno i didnt change the speedometer
Reply
0
Old Dec 24, 2008 | 01:41 PM
Share
  #11  
98 JeepJeep's Avatar
98 JeepJeep
CF Veteran
 
Joined: Oct 2008
Posts: 2,543
Likes: 5
From: Stafford,VA
Year: 1998
Model: Cherokee
Engine: 4.0
Default
Originally Posted by thebrow89
i didnt change the speedometer
Recaibrate it...i dont know if it required a new speedo gear or it is done throught the computer.
Reply
0
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Nitro gear packages at Rockridge4wd **SMOKING DEALS**
ROCKRIDGE 4WD
Vendor Showcase
13
Nov 5, 2019 10:58 AM
Rough Idle after Gas Change
libengan
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
14
Nov 6, 2015 09:16 AM
Deal Ending Soon!
Morris4x4Center
Vendor Showcase
1
Sep 28, 2015 10:42 AM
HELP: '89 XJ Starting/Stalling Problem
Endlessknight
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
4
Sep 26, 2015 03:20 PM
Which rebuild kit for my 95?
CAT_Tech2
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
7
Sep 18, 2015 11:31 AM
Back to Subforum
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
View Next Unread
What do you think

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 



Advanced Search

All times are GMT -5. The time now is 09:24 PM.