Old Jul 21, 2011 | 10:59 AM
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blwnstang02
Joined: Apr 2011
Posts: 102
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From: Olathe, KS
Default Re: 15,000 miles and spark plug carbon closed gap??!!

Originally Posted by FP
Many things can cause this, but bad gas will definitely do this. Make sure you use quality premium gas.
I am hoping bad gas was most of it.
 
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