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.

surging at idle

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Old Jul 3, 2022 | 02:00 AM
  #1  
OutbackOz's Avatar
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From: The Bush
Year: 1996 & 1999
Model: Cherokee (XJ)
Default surging at idle

99 sport is surging at idle ? all sensors are new and under 500 mile of use. The throttle body is clean a new fuel pump has good pressure the coil is new. Would cheap Chinese 4 hole injectors off eBay cause this? It runs well when driving
Any Ideas ?
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Old Jul 3, 2022 | 07:14 AM
  #2  
Cummins93's Avatar
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From: Northern CT
Year: 1995
Model: Cherokee
Engine: Turbo 4.0
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Put the stock injectors back in and see if it smooths out
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Old Jul 3, 2022 | 08:38 AM
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cruiser54's Avatar
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From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
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CRAP=chinese replacement auto parts.
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