Famous Do Diesel Engines Have Spark Plugs Ideas. Unlike gasoline engines, they don’t have a spark plug to help it ignite the fuel. There are no spark plugs in diesel engines.
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Diesel engines operate with the use of glow plugs instead of spark plugs. Generally, it is believed that diesel engines do not have spark plugs, but some of them do. Web the standard diesel engines don’t use any spark plugs as means of ignition.