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which is cylinder 4 ?

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Old 09-10-2009, 03:46 PM
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Default which is cylinder 4 ?

one of my e3 plugs went bad and the dealer replaced it with a champion in cylinder 4 and now i have the new e3 plug but dont know which is cylinder 4.
can some one give me the answer, i dont wanna pull all the plugs till i come up waith the one i need. thanx
Old 09-10-2009, 05:09 PM
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From the driver's seat point of view:

Front to back

The right cylinder bank is numbered 1, 3, and 5.

The left cylinder bank is numbered 2, 4, and 6.

The coil packs and stock ignition leads are all numbered, too.

Last edited by ronjenx; 09-10-2009 at 05:27 PM.
Old 09-10-2009, 06:16 PM
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look at your distributor cap they're all marked, follow the plug wire from there
Old 09-10-2009, 06:19 PM
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Originally Posted by BlackNorthernJK
look at your distributor cap they're all marked, follow the plug wire from there
He can't do that as it doesn't have a distributor cap.
But, as posted above, the coil pack and ignition leads are all numbered.

Last edited by ronjenx; 09-10-2009 at 06:34 PM.
Old 09-10-2009, 11:11 PM
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Originally Posted by ronjenx
He can't do that as it doesn't have a distributor cap.
But, as posted above, the coil pack and ignition leads are all numbered.
got it, coil pack
Old 09-10-2009, 11:26 PM
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Appreciate the help guys, thanx.
I have the spare E3 plug but am probably gonna change all the plugs again to maybe some spitfires or back to champions since it's been only two months since I put the E3's in and one has already fouled. Wouldn't want that to happen on the trail. Thanx again.
Old 09-11-2009, 01:18 AM
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I have 32,000 miles so I decided to change mine. Went to a local parts house that I always deal with and trust he told me go back with the factory, that they are the best option for this vehicle.
Old 09-13-2009, 10:32 AM
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Decided to go back to stock plugs.
Old 09-13-2009, 04:14 PM
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It's the one with a big 4 stamped on it.
Old 03-12-2010, 12:20 PM
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Dude who posted this is awesome! I changed my spark plugs out a couple days ago and found that i had a rough idle problem... took my baby to autozone to check the engine light and I had a misfire in cylinder 5. Well I didn't know which one was 5 neighter did autozone. I called 4 different Jeep Dealerships and got 5 different answers. Yes 5! So all day long I've been pulling out the wrong plugs looking for a problem. Then i read this posting and finally pulled the right plug out and found that the white hard stuff was completely cracked up. Thanks bro your a lifesaver.


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