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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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Old 10-25-2003, 07:59 PM
Mechineed Mechineed is offline
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96 F150 dual gas tanks,front pumps to rear, rear not working.

Just bought my new used Ford. The front gas tank pumps gas to the rear and truck won't run off rear tank. Wheres the switch or switching valve supposed to be ? Can't find. Mechineed.
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Old 10-25-2003, 09:56 PM
brown 4x4 brown 4x4 is offline
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There is no switching valve, all the switching is done by the two in-tank pumps themselves. There is a valve on each pump that opens when that pump is energized for the fuel to return to that tank. Sometimes when a pump goes bad this valve sticks open. It sounds like your rear pump is bad. So when your front pump is running, fuel is able to go into the rear tank also.
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Old 10-26-2003, 01:29 PM
Mechineed Mechineed is offline
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Thanks for the info. Already pulled pump out of rear tank. Wondering about cost of new one. Mechineed
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Old 10-27-2003, 08:48 PM
Kostiuk Kostiuk is offline
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My 96 does this also. There is a recall for this problem for a variety of years but not for my truck. I called Ford and the lady I talked to said if they get enough complaints they may expand the recall. If anybody else is having this problem please call Ford. It sure seems to me they should fix this.
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Old 10-27-2003, 10:29 PM
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marragtop marragtop is offline
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I'm not sure you can buy just the pump. You may have to buy the whole assembly. If so, figure about $130 for Autozone.
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Old 10-27-2003, 10:29 PM
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