I have an MEP-003A Diesel Gen. Master switch will turn engine over, but will not make prime, or Prime run noise, so I assume the fuel pump is not working. Have checked everything except replacing anything. Worked when first attempted but then quit. Solution anyone?
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MEP-003A
- Thread starter rlegare44
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Scoobyshep
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Find the 2 main fuel pumps (one is to fill the tank). There is a quick disconnect, unplug it and see if you have 24 volts to chassis with the switch in run. If you have power pump needs help. No power we gotta dig deeper.
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Ray70
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If it hasn't been run in a while and you have 24V at the pumps as Scoobyshep mentioned, the internals of the pumps are surely gummed up and stuck.
They are 99% of the time pretty easy to disassemble clean and be good to go again.
If by chance you still have issues I usually have rebuilt pumps available.
They are 99% of the time pretty easy to disassemble clean and be good to go again.
If by chance you still have issues I usually have rebuilt pumps available.
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After checking for 24 volts at the female E-Pump plug, if you have 24 VDC take a wire and jump from the positive battery terminal to the male E-Pump plug. If it wont run, the problem might be the RFI capacitor. Cut it out of the cable and splice the cut off cable back on the wire that goes to the E-Pump. Retest. Run? Then it was the RFI Cap. Not run pump is bad.