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P0628 Diagnostic Trouble Code Discussion for November 2012

Fuel Pump Relay Control Circuit Low

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Trouble Ticket Help Requests for DTC P0628
Help Request Posted
2004 Dodge Ram 2500 ST 5.9L No Start, Cuts out, Stall VIN: 3D7KU28C34
P0628: low voltage on lift pump. Diesel mechanics needed.I don't claim to be a diesel mechanic.Unfortunately a good customer wants me to find out whats wrong with his diesel.It will start and run for 30 seconds to a minute and then die and not restart. My first thought was lift pump was not a...
November 14, 2012