The common rail is a pipe - rail - that supplies diesel fuel under high pressure to the injectors, which are activated by the on board computer. The rail pressure is supplied by an oil pump separate from the pump that supplies oil to the moving parts of the engine. Rail oil pressure is that pressure that pressurises the fuel.
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The common rail is a pipe - rail - that supplies diesel fuel under high pressure to the injectors, which are activated by the on board computer.
The rail pressure is supplied by an oil pump separate from the pump that supplies oil to the moving parts of the engine. Rail oil pressure is that pressure that pressurises the fuel.