xj randomly dies...
06-17-2010, 10:49 AM
#1
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Join Date: Dec 2009
Location: Fishers Indiana
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Year: 1996
Model: Cherokee
Engine: 4.0
xj randomly dies...
1996 xj sport 4.0 and 5 speed. Anytime the weather is warm and the temp guage aproaches 210 it will randomly die. After sitting 15-20 minutes it will start and run again. Always cranks over. Any suggestions? 
06-17-2010, 10:54 AM
#2
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Sounds like an upstream O2 sensor. When you reach normal operating temp your O2 takes over your fuel management control.
06-17-2010, 10:58 AM
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Year: 1996
Model: Cherokee
Engine: 4.0
Is the Upstream back by the converter? The converter was stolen from this thing right before I bought it and they put a pipe in it's place.
06-17-2010, 02:46 PM
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06-17-2010, 06:18 PM
#6
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06-17-2010, 06:21 PM
#7
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It could be the PCV valve on the back of your valve cover but this seems to be more of a O2 problem since it happens at normal operating temp.
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