Question about 1999 Ford Expedition

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I replace the fuel pump on my 1999 ford expedition 5.4 when the gas get to a 1/4 of a tank it stalls

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1 Answer

Could be the sending unit for fuel level
or other issues

You have to have the factory manuals to learn the
vehicles various systems & strategies

Have to have it checked for all stored codes,if you
didn't clear all data. If you did, then a shop will have
problems helping you, as old stored data my help
or give them a place to start

Any shop you go to,will have to have a data base or
they aren't fixing much

Posted on Dec 06, 2012


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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: fuel pump does not work- 1999 ford super duty class a motorhome

I have been a mechanic for 15 years and have worked on alot of motorhome fuel pumps. 99 percent of the time it is the fuel pump that is bad. if you are getting power at the fuse you more than likely have a bad pump. I understand the thing about the hydraulic jacks they are a pain in the ****. sorry I can't tell you an easier way.

Posted on Apr 28, 2009

  • 161 Answers

SOURCE: Diagram or proper schematic of fuel pump relay

The Owners Manual under Relays will tell you the location of it. If for some reason it doesnt emial me and I will find it for you.

Posted on May 24, 2009

  • 1 Answer

SOURCE: 97 expedition, motor shakes and stalls

Check all vaccum hoses for leaks

Posted on Sep 06, 2009

  • 532 Answers

SOURCE: 1999 Ford Expedition - fuel pump not working after replaced alter

replace the fuel pump

Posted on Nov 15, 2009

  • 123 Answers

SOURCE: fuel pump location 1988 ford econoline

Theres 2 pumps one in the tank, lift pump, and one in the chassis rail under the driver side. The one in the tank is cheap, the one in the rail is not. The one in the tank only produces low pressure to prime the main pump and if it is broken, may not cause that much of an issue except when starting. the one in the rail is a no-start if it fails. The idea is that the rail pump can supply high pressure for the injectors, so a fuel pressure test at the injector rail will determine which pump is playing up. Hope that helps Tim

Posted on May 26, 2010

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1 Answer

My 2000 ford expedition stalls when i get up to speed... I have changed all spark plugs and changed a coil that the auto parts store said to on number 7 and i still have the same problem with the stalling...

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