1998 Ford Expedition Fuel System?

Tiny
HSANCHEZ
  • MEMBER
  • 1998 FORD EXPEDITION
  • V8
  • 4WD
  • AUTOMATIC
  • 93,000 MILES
When driving the vehicle on the highway the truck starts slowing after several miles of driving. The speedometer is decreasing and when pedaling on the gas to speed up with traffic it doesn't, just the RPM's starts to go high and low. We've asked shops and they start guessing at the transmission or the fuel pump. Any clues on what it could be?
Monday, January 14th, 2008 AT 2:26 PM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
First I would like you to change the spark plugs and wires.
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Monday, January 14th, 2008 AT 5:57 PM

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