2000 xj runs rough
#1
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Join Date: Dec 2010
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Model: Cherokee
2000 xj runs rough
Have 2000xj stock and sometimes it will run rough if I drive for a while then shut it off for a little then start back up. Noticed that when off road and run it hard(high revs) if I shut it off it starts hard and misses a while. Any ideas? Thanks
#2
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Join Date: Apr 2012
Location: Memphis, Tennessee
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Year: 2000
Model: Cherokee
Engine: 4.0 Liter, Inline 6
The start up issue when hot is common. It is a faulty computer code that causes it to do that
#7
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Year: 2000
Model: Cherokee
Engine: 4.0 Liter, Inline 6
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#9
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Year: 2000
Model: Cherokee
Engine: 4.0 Liter, Inline 6
Okay my jeep I still making a whining noise. It is coming from the general area around the throttle body
#10
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whistle- sounds like you have the '00-'01 heat soak issue. Too much heat under the hood causing vapor lock in the injectors. You should still take it to get the codes read. There are many fixes to the heat soak issue. I am trying to resolve mine right now. Some people have installed a switch for the electric fan, so that they can run it all the time, some have even put a timer on it to run the e-fan after you turn the jeep off. The cheapest fix is installing hood vents. It lets the heat out from under the hood. The problem I see with the vents is water coming through. i know some people have installed drip pans to channel the water away from electrical parts. I am currently looking into getting a cowl hood, so that the hot air escapes. So far it seems to be the most expensive. I have also heard that upgrading the injectors might help, but not sure about that one yet.
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