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P0628 Diagnostic Trouble Code Discussion for April 2012

Fuel Pump Relay Control Circuit Low

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Trouble Ticket Help Requests for DTC P0628
Help Request Posted
2005 Dodge Ram 3500 SLT 5.9L No Start VIN: 3D7MS48C35
P0628: Lift pump circuit low voltage. ... this 05 Ram with a 5.9 Cummins that came in on the hook for a crank no start. Basic testing revealed no fuel getting to CP3 pump. Current dtc P0628 lift pump circuit low voltage. At the lift pump relay, when jumped the pump works fine. Tested the control c...
April 25, 2012