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Old 10-20-2020, 10:33 PM   #2
petehoovie
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Join Date: May 2015
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Default Re: Spark Plug Reading

Looks like yours is 'Carbon Fouled' - as seen in the chart below....

http://gtsparkplugs.com/reading-spark-plug-color.html

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Last edited by petehoovie; 10-21-2020 at 01:18 PM.
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