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Old 01-09-2013, 05:55 PM   #2
elsolo
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Join Date: Mar 2012
Fan#: 96835
Location: Long Beach, CA
What I Drive: 2003 dark shadow grey metallic ZX3

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looks like ash deposits from burning excess oil in #4

those deposits will cause a misfire at the plug

Next oil change, pull the new plugs and take a look, see how much has built up in a few thousand miles.
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