Car Repairman Question:

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Tell me does Diesel Engine Powered Automobile Use Unit Pump And Unit Injector?

Car Repairman Interview Question
Car Repairman Interview Question

Answer:

In the case of the engines powered by diesel fuel supply systems, unit pump & unit injector are operated by camshaft & thus pressure of injected fuel depends on engine speed. Whereas,in common rail systems it is independent of engine speed.

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