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drb5721

Fuel pump operation.

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Hey guys. I am new to the 720 pickups but am versed pretty well in other nissan products. My question pertains to my 83 KC 720 2.4L. I have a fueling issue and want to try to get some insight. Truck isnt getting fuel to the carb. Control box on passenger side looks ok after inspecting solder points. Figured i would take the pump off to see if it works with dorect battery power. When i touch the leads to the battery all i get is one click. Is this normal? Any electric pump i have ever dealt with has a very slight hummm like vibration when operating but most of those are pumps producing 40-120psi of pressure.

 

Should it just click or should i get something more out of it?

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It should have a continuous hum.

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I figured as much. Such low pressure made me wonder. Guess ill get another pump and go from there. Thank you. Will report back.

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Fuel pump is now moving fuel. I can see fuel in the carb through the glass but nothing is coming out when giving throttle. Gonna soak jets with carb cleaner to start

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Truck runs great! Now to get a clutch so it can be driven.

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