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The new technology for diesel and some gasolene injection is Common Rail Injection

In the old days each injector was pressured individually, on most units by a single pump with the same number of pump pistons ans the engine had cylinders. Each with there own high pressure fuel line.

The new way is to have one very high pressure pump and control the injectors electronically.

All the injectors are fed by one high pressure "common rail" or line

This allows higher fuel pressures, better and more accurate fuel control making for lower emissions and higher fuel economy.

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15y ago

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