Modern diesel engines equipped with common-rail direct-injection technology have unlocked ... or the engine is burning coolant and may have a leak in the head gasket. White smoke indicates ...

According to Kohler, the direct injection system provides the ability to save up to $1,400 on fuel and $116 on oil per year compared to indirect injection diesel engines with diesel particulate ...

Diesel engines operate at higher compression ratios than gasoline engines, and fuel is injected under much higher pressure. An injection pump, usually driven by a belt or chain linked to the ...