Fuel tanks 1986
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Joined: Sep 2006
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From: MN
Fuel tanks 1986
I have a 1986 F350, 2wd with a 460. Has in tank fuel pumps. It has a selector switch on the dash. According to what I have read the rear tank is the default tank if something goes wrong with switches. We ran it on the rear tank for a short time but then it stopped getting any fuel to carburetor. I am going to drop the rear tank and replace the fuel pump. Is there a way to test if the tank select switch is bad or the tank selector valve? Any help would be appreciated and the best place to buy truck parts?
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 39
From: EXTREME southwest CT
You should try energizing the pump before condemning it.
It could be the relay, oil pressure switch, inertia switch, fuse, or fusible link.
None of these are nearly as involved as pulling the tank to change the pump.
It could be the relay, oil pressure switch, inertia switch, fuse, or fusible link.
None of these are nearly as involved as pulling the tank to change the pump.
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
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