Introduction: Glow plugs are an essential component in the ignition system of diesel engines. While gasoline engines use spark plugs to ignite the fuel-air mixture, diesel engines rely on the heat generated by glow plugs to achieve combustion. In this article, we will delve into the function and importance of glow plugs in diesel engines. There are several key components that make up coolant, including a base fluid, corrosion inhibitors, lubricants, and a dye to help identify leaks. The most...