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Unread 08-23-2014, 02:58 PM   #1
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2004grand cherokee coil pck

Is there any way to check a coil pack on a 4.0? My issue is my jeep won't start, it ran fine now just won't start. I've checked fuel and that is good, how do I check for spark?any help would be great!!!!!

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Unread 08-23-2014, 04:16 PM   #2
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2003 WJ 
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Check for stored codes first. Key: on off on off on look at odometer.
QUOTE=billzcat1;wsar10 is right on point on this oil thread - as usual. Anyone reading this would be well-served taking his advice.

-03 WJ laredo 4.0 120k a few minor mods
-93 XJ 5spd, 3" zone lift
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Unread 08-24-2014, 05:36 PM   #3
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2004 WJ 
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Take a spare spark plug and plug it in to a wire and lay it on metal and watch for spark.
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