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  Rear tank doesnt work on F150

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Author Topic:   Rear tank doesnt work on F150
kid vishus
Gearhead

Posts: 6098
From: middle of NC
Registered: Oct 2000

posted 08-28-2001 03:55 PM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
Actually, it's on my Lightning. But anyways, the rear tank doesnt work. Wat is the easiest way to determine if it's the pump or the sending unit or ???

It has gas in it, but it registers as if the tank is empty. If you switch to that tank while driving down the road, it shuts the motor off. So I do know the pump isn't doing it's job. Is there a circuit breaker that might be kicked out? I cant find a fuse for it.

Thanks

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tomslo
Gearhead

Posts: 319
From: Jefferson City, MO
Registered: Aug 2000

posted 08-28-2001 04:35 PM     Click Here to See the Profile for tomslo   Click Here to Email tomslo     Edit/Delete Message   Reply w/Quote
I would check all the connections and switches first. For a while, my truck wouldn't let me use one of the tanks either. It eventually just started working again after about a week or two. So my guess is something electrical that might just be loose.

Good luck

Tom

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MLariviere
Moderator

Posts: 3984
From: Biddeford,Me.USA
Registered: May 99

posted 08-29-2001 09:19 PM     Click Here to See the Profile for MLariviere   Click Here to Email MLariviere     Edit/Delete Message   Reply w/Quote
On my 95 I can hear the pump buzzing away while the truck is running. I'd say you probably need a sending unit,but check allof your wiring first. I hope it's not the front tank. If it is,and you need to drop the tank, DON'T unhook the fillertube at the tank. You'll be in a world of problems if you do. Just unhook the filler pipe from the body at the door.

[This message has been edited by MLariviere (edited 08-29-2001).]

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SteveLaRiviere
Administrator

Posts: 43151
From: Saco, Maine
Registered: May 99

posted 08-30-2001 01:08 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Could also be the switching solenoid, kid, that switches from front tank to back.

------------------
'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L DOHC
Keep your driveway ALL Ford!!!

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Dave_C
Gearhead

Posts: 968
From: Gadsden, Al
Registered: Aug 99

posted 08-30-2001 07:57 PM     Click Here to See the Profile for Dave_C   Click Here to Email Dave_C     Edit/Delete Message   Reply w/Quote
The first place I would look would be the selector valve. Didn't you just have the recall done a little while ago?

The recall involved the selector valve. It controls what tank fuel is coming from, but also controls which fuel pump and guage is working.

Sort of stange that it works fine for 8 years and then craps out such a short time after the dealership worked on it in this area.

Later,

David Cole

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kid vishus
Gearhead

Posts: 6098
From: middle of NC
Registered: Oct 2000

posted 08-30-2001 09:12 PM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
It is the rear tank. It has not worked since I bought the truck. Actually, I was hoping that when they fixed the recall item it would take care of that problem too. Unfortunately, I was wrong.

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