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Posts Tagged: Red spark plug electrode and insulator

Red spark plug electrode and insulator

Red spark plug electrode and insulator What causes a Red spark plug electrode and insulator? The most common cause of a red spark plug electrode and insulator is the use of an octane booster containing Methylcyclopentadienylmanganesetricarbonyl (MMT) in the fuel or iron oxide particles present in the fuel system. Octane booster causes red spark plug electrode and insulator discoloration If a fuel additive contains an iron component, it can cause red deposits on the insulator nose, center electrode, and side electrode. The iron coating is electrically conductive and can cause … Read More


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