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.

idle problems

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Old 06-11-2013, 12:33 PM
  #1  
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Year: 1990
Model: Cherokee
Engine: 96 4.0
Default idle problems

90 xj 4.0 idles rough when first started then smooth when warms up
Old 06-11-2013, 12:45 PM
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Year: 1993
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Engine: 4.0 ho 99 intake ps pump 1" tb spacer 62mm bored tb eletric fans and more
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have you checked to see if your idle control valve is working correctly?
Old 06-11-2013, 01:23 PM
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Year: 1996
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Check the IAC, And the TPS, and for Vacuum leaks.
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