2003 Ford Expedition gas guage

2003 FORD EXPEDITION
100,000 MILES • 6 CYL • AWD • AUTOMATIC
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DENNY0802
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  • 1 POST
I filled up my tank on tuesday and wednesday morning I was driving to work, I had gotten about 30 miles down the road and all of the sudden my gas guage goes to E
what could the problem be?
Jun 16, 2010 at 9:05 AM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
My first guess would be the fuel float rheostat is bad. It is a resister that determines how much fuel is in the tank and then sends the appropriate amount of power to the (BCM) then to the gauge. The bad part is it is part of the fuel pump and in the tank. You may want to have that checked. From there the signal goes to the body control module (unlikely) then to the gauge itself.
Jun 22, 2010 at 7:35 PM
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