Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here XJ (84-01)
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Coil Pak

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Old May 31, 2016 | 02:15 PM
  #1  
SemperFi75's Avatar
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From: Maine
Year: 2000
Model: Cherokee
Engine: 4.0L
Default Coil Pak

Quick question opinion.... 2001 XJ 4.0L - changing the plugs ... any real need to also change the coil pak? Starts okay, runs okay, no misfires, no skips, fuel mpg okay...

But, not terribly expensive to change out.. worth doing anyway??

Semperfi
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Old May 31, 2016 | 02:26 PM
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CCKen's Avatar
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Year: 1999
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If anything, inspect/replace the boots.
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Old May 31, 2016 | 04:53 PM
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Swab some Dielectric Grease in there with a Q-tip too.

https://www.napaonline.com/napa/en/p...190/BK_7651190
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Old May 31, 2016 | 07:28 PM
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Originally Posted by SemperFi75
But, not terribly expensive to change out.. worth doing anyway??
Nah. It's pretty amazing how long these coil rails last.
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Old Jun 1, 2016 | 10:33 AM
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okay.. thanks gents!
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