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#1 |
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Jeeper
Join Date: Jun 2012
Location: Payson Arizona
Posts: 31
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HELP ...Got a good friend that has a TJ and runs great and in the heat of the day while crawlin heats up(only in the heat of day)Got new radiator,waterpump,new fan clutch,thermostat,done a comprssion check and ok,no water in oil or vise versa.runs great when it heats up hard to start wants to throw codes runs rough,clear codes and its fine,codes thrown are misfires in three and four cylinders,could there be a computor problem?
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Opened Pyatte Draw 2001,Hosted BFG Challenge on Draw 2006,Sunflower Mine Trail 2000,Turtle Creek,Lizzurd Creek,Staircase,Roberts Mesa 2001,Webber Creek2007 |
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#2 |
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Trail Guide
Join Date: Feb 2006
Location: Roanoke VA
Posts: 980
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What year? 99-00 have issues with the heads cracking. Search 0331 cylinder head. While you may not be getting coolant in the oil or vice-versa if the system becomes unpressurized it will overheat.
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1996 XJ Country Trail Rig w/lots of stuff 1990 XJ Laredo stock/new motor installed, resto-mod done! 1989 MJ, 2000 XJ Classic stock, my son's 1994 XJ stock beater 2008 JK Sahara (POS!) at least it has a SFA! 2009 Hemi Commander (Awesome Jeep) Wish it had a SFA:-( |
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#3 |
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Jeeper
Join Date: Jun 2012
Location: Payson Arizona
Posts: 31
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Sorry 2001 4.0
__________________
Opened Pyatte Draw 2001,Hosted BFG Challenge on Draw 2006,Sunflower Mine Trail 2000,Turtle Creek,Lizzurd Creek,Staircase,Roberts Mesa 2001,Webber Creek2007 |
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#4 |
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Trail Guide
Join Date: Feb 2006
Location: Roanoke VA
Posts: 980
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I would pressure test the coolant system. You can rent a pressure tester at AA, AZ or Oriellys
Once you get the pressure to whatever is on the cap, 16psi most likely then you should be able to tell where the leak is.
__________________
1996 XJ Country Trail Rig w/lots of stuff 1990 XJ Laredo stock/new motor installed, resto-mod done! 1989 MJ, 2000 XJ Classic stock, my son's 1994 XJ stock beater 2008 JK Sahara (POS!) at least it has a SFA! 2009 Hemi Commander (Awesome Jeep) Wish it had a SFA:-( |
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#5 |
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Jeeper
Join Date: Jun 2012
Location: Payson Arizona
Posts: 31
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will doo,thanks for your help
__________________
Opened Pyatte Draw 2001,Hosted BFG Challenge on Draw 2006,Sunflower Mine Trail 2000,Turtle Creek,Lizzurd Creek,Staircase,Roberts Mesa 2001,Webber Creek2007 |
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