Do all diesel truck engines have glow plugs?

Originally Posted by Raspy Some diesel engines, and almost all earlier designs from the past, used a pre-combustion chamber design. read more

Not all diesel truck engines have glow plugs. Glow plugs are provided to aid initial heat for ignition, when the heat of compression is insufficient fails to ignite the fuel. read more

Some direct injection engines also have glowplugs to assist the starting.Smaller car engines are normally of the sort that do need glowplugs but big truck engines and some industrial engines used for waterpumps etc do not have glowplugs. read more