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Spark Plugs – Splash Fouled

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Appears as “spotted” deposits on the firing tip of the insulator and often occurs after a long delayed tune-up. By-products of combustion may loosen suddenly when normal combustion temperatures are restored. During hard acceleration these materials shed from the piston crown or valve heads, and are thrown against the hot insulator surface.

 

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More information On Basic Car Maintenance CD Rom
Information supplied by Champion Sparkplugs ©2009

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