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DSM (Mitsubishi Eclipse/Eagle Talon)
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DSM Performance Guide
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Tip of the Week
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Tip 4: Spark Plugs
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Diagnosing Spark Plug Health
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Happy Spark Plug
Happy Spark Plug
A normally-functioning plug will have light gray or tan coloring on the ceramic insulator and the electrodes. The electrode may erode some, but not severely. There will be no black deposits on the electrodes or insulators
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