Thread: 15,000 miles and spark plug carbon closed gap??!!
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Old Jul 21, 2011 | 11:06 AM
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robby363
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Joined: Sep 2007
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From: Middleboro, MA
Default Re: 15,000 miles and spark plug carbon closed gap??!!
Originally Posted by blwnstang02
I am hoping bad gas was most of it.
If 2 plugs from one cylinder were that bad and the other 10 plugs looked good I think it's more than bad gas.
 
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