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What Color Should The Spark Be On A Spark Plug?

January 24, 2024 by Rachel Ostrander

What Color Should The Spark Be On A Spark Plug? In general, a light tan/gray color tells you that the spark plug is operating at optimum temperature and that the engine is in good condition. Is an orange spark weak? Orange spark is a weak spark. It very well could be a weak ignition coil.

What Causes Spark Plugs To Keep Going Bad?

January 24, 2024 by Emily Lee

What Causes Spark Plugs To Keep Going Bad? What causes spark plugs to keep going bad? Causes of a carbon-fouled spark plug include a dirty air filter, excessive driving at low speeds, too rich of a fuel/air mixture, dirty fuel injectors or idling your vehicle for too long. Why do my spark plugs keep failing?