Question about 1985 Ford F150

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1985 Ford F-150 Truck (EFI)

I'm told that this 1985 Ford F-150 (EFI) Truck has 2 filters and 2 fuel pumps. I have located the one (Elect. Fuel Pump) that is located under the Truck along the left side Fire Wall / Rail. I hear this one clicking in and making a humming noice for a second or two. As I stated before there is no gas getting to this Fuel Pump and the Reservoir / Filter. I'm trying to eliminate everything before taking the Fuel Tank off, I'm told from the auto part store there is Filter in the Fuel Tank. Could the Cut Off Switch / Inertia Switch be bad ? How would I know if it's Gone / Bad ? What do it control ?
Will it prevent the inside tank fuel pump from operating ?
Await Responses !!!

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  • haywardervin Feb 19, 2009

    I will replace the single function reservoir / filter, once I receive the part.

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No ,I haven't Fixed my problem, I'm still awaiting solutions and feed back from helpful people that may have went thru the same problem. My Wife is out of work so it's a little tough on me right now. I want to correct the problem myself.

Posted on Feb 15, 2009

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I was thinking fuel blockage or perhaps failure of the in-tank pumps. Sometimes the truck would start and run, othertimes it would neither start nor run. Typically, if running it would stay running until turned off (where the relay had to break).

Changing the green fuel pump relay fixed the problem--12 volts now at the pump and no reoccurance.

Good luck--let me know if this fixed your F-150.

riippa@aol.com

Feb 14, 2009 | Ford F-150 Cars & Trucks

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