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glow_plug [2016/08/18 20:27] (current)
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|+||===== Glow Plug =====|
|+||When a diesel engine is cold, the compression process may not raise the air to a high enough temperature to ignite the fuel. The glow plug is an electrically heated wire (think of the hot wires you see in a toaster) that heats the combustion chambers and raises the air temperature when the engine is cold so that the engine can start|