The fuel from the fuel tank is fed to the engine via the diesel supply pump. The diesel supply pump under right pressure transmits the fuel from the tank. It is then fed into the fuel injector and then the diesel flows to the engine. The function of the diesel supply pump is crucial as it regulates the flow of the fuel to the engine. Just like other systems in the vehicle the fuel system should also be taken special care.

It should be checked for any clogs to ensure hassle-free movement of fuel. The blockage should be cleared and it is better to replace the worn out diesel supply pump instead of fixing it.

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