Question about 1986 Ford Econoline

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I have a 1989 E-350 that will not run when switched to front tank. I have replaced the External Fuel pump and the internal tank pump. It pumps (Primes) when you first turn the key on, but when you drive down the road and switch from rear to front it will start to stumble and stall.

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  • champ18ft Apr 27, 2010

    When I changed my External Fuel Pump I also changed the Fuel Filter. I believe I am getting Power to the Pump. I disconnected the Fuel Line from the Selector and turned the key on and Fuel squirted out for a few seconds.

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  • Master
  • 2,317 Answers

You may have a plugged fuel filter. Are you getting power to the front tank pump?

Posted on Apr 27, 2010

  • James Milzheimer
    James Milzheimer Apr 27, 2010

    I would check up by the engine, to see if you are getting fuel up to that point, when the front tank pump is running.. Might be a pinched hose?

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