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2002 DODGE RAM FUEL PUMP VOLTAGE

  • Tiny
  • mwilds
  • 2002 Dodge Ram

Electrical problem
2002 Dodge Ram V8 Four Wheel Drive Automatic 124000 miles

I have a 2002 Dodge Ram 1500 pick-up truck. One day it just quit running. I could get it to run for about 10 minutes then it would die. Now I can not even get it to start. I have spark. I have found that at the fuel pump, when I first turn the key on, I get 12 volts to the fuel pump but then it drops right out. My question is, does the pump have a constant 12 volts to it, or is there something along the way that turns the pump on and off. I have checked the fuses and the relay and all that is good.

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Tuesday, November 3rd, 2009 AT 2:49 PM

1 Reply

  • Tiny
  • Docfixit
  • Expert
  • 18,993 posts

Has fuel pressure been checked when key is on? Does pump relay fall out after key on when voltage drops to pump? PCM provides ground to pull relay in

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Tuesday, November 3rd, 2009 AT 3:18 PM

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