Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here XJ (84-01)
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Engine boggs on low rpm acceleration

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Old Sep 12, 2014 | 05:30 PM
  #16  
cruiser54's Avatar
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From: Prescott, Az
Year: 1990
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Engine: 4.0
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The flexplate link is not mine.
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Old Oct 9, 2014 | 11:51 AM
  #17  
CompleteCherokee's Avatar
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From: georgia
Year: 1984
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Engine: 4 cyl
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Originally Posted by cruiser54
IACs control air, not fuel.....
Yes, hence the Idle Air Control name

I wasn't saying that the IAC controls fuel, rather I was saying when you hit the gas, if the IAC isn't working properly, it may have already been taking in less air (already causing an overfueling condition) and hitting the gas causes it to stumble until the engine can catch up.
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Old Oct 9, 2014 | 04:49 PM
  #18  
cruiser54's Avatar
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From: Prescott, Az
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Engine: 4.0
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Originally Posted by CompleteCherokee
Yes, hence the Idle Air Control name

I wasn't saying that the IAC controls fuel, rather I was saying when you hit the gas, if the IAC isn't working properly, it may have already been taking in less air (already causing an overfueling condition) and hitting the gas causes it to stumble until the engine can catch up.
Doesn't work that way. When the butterfly begins to open the IAC is already out of the picture.
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