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Unread 08-19-2013, 09:05 PM   #1
RogueKJ
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2004 KJ Liberty 
 
Join Date: Oct 2012
Location: berkley, ma
Posts: 136
Spark plug change

So I got 154k an change jeep started getting sluggish an miss fire when I got on her so I can out the plugs an this what I found after a year ago dealer told me they just did them. NGK r with almost no electro left replaced with auto light copper took about hour granted it was 10pm pitch black with little light pretty easy although the passager back plug was bad with lift an angle. Have to say she really goes now an sounds better 12 dollars an change made a huge difference

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Unread 08-20-2013, 05:29 AM   #2
DaveJKJ
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2005 KJ Liberty 
 
Join Date: Nov 2008
Location: stuck in the mud again
Posts: 1,085
Wow. Those are really worn. It should "purrrr like a kitten" now. From your description there's no way of telling how many miles were on them, huh?
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Unread 08-20-2013, 06:32 AM   #3
x99j
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Location: ohio
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i don't believe that is a years worth of wear!
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Unread 08-20-2013, 09:38 AM   #4
DaveJKJ
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Quote:
Originally Posted by x99j View Post
i don't believe that is a years worth of wear!
Agree.

Looks like the dealer that told him "they just changed the plugs" when he picked it up a year ago was not truthful. (maybe the dealer was on drugs or something? ... )

OP, how many miles did you put on your jeep in that year?
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Unread 08-20-2013, 10:17 AM   #5
RogueKJ
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Dave I put about 23k she runs like a top now I step out it hard you thrown back An she sounds so much better at idel
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Unread 08-20-2013, 10:33 AM   #6
tjkj2002
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2002 KJ Liberty 
 
Join Date: Dec 2009
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Posts: 8,117
From the looks of those plugs and that gap I'd say they have at least 70k-80k on them.
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