Fuel Pump Plug?

Tiny
RAYBEATZ
  • MEMBER
  • 2003 FORD EXPEDITION
  • 5.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 170,000 MILES
7 volts at the fuel pump plug. Fuel pump will not come on.
Saturday, February 20th, 2016 AT 12:54 PM

2 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,869 POSTS
Are you measuring that voltage while cranking the engine?
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Saturday, February 20th, 2016 AT 1:47 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,762 POSTS
Just to add to this, you probably want to measure that with the plug disconnected from the fuel pump to get an accurate reading.
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Saturday, February 20th, 2016 AT 3:40 PM

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