my truck is throwing this code p 0628 dose any one know what it means ??

 

P0628 Fuel Pump "A" Control Circuit Low

Lift Pump

 

To add to what dokie said:

P0628-LOW VOLTAGE DETECTED AT THE FUEL LIFT PUMP
Possible Causes
WIRING HARNESS
FUEL LIFT PUMP RELAY
FUEL LIFT PUMP RELAY DRIVER CIRCUIT SHORTED TO EXTERNAL VOLTAGE
FUEL LIFT PUMP RELAY DRIVER CIRCUIT OPEN
FUEL LIFT PUMP RELAY GROUND CIRCUIT OPEN
FUEL LIFT PUMP RELAY GROUND CIRCUIT SHORTED TO EXTERNAL VOLTAGE
ECM

 

thanks guys if its my lift pump its prob because i have a air dog on my truck and i dont have the factory lift pump anymore