Notices
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

Dual Fuel Tank problem

Thread Tools
 
Search this Thread
 
Old Dec 5, 2006 | 12:28 PM
  #1  
oak73's Avatar
oak73
Thread Starter
|
New User
Joined: Dec 2006
Posts: 1
Likes: 0
Thumbs down Dual Fuel Tank problem

I have a 1988 F-250 2wd V8 with dual fuel tanks which are equipped with a switch in the cab to go from front to rear or vice versa. My problem is that when the rear tank is filling the front tank when I am using the rear tank. Example: front tank has 1/4 tank when using the rear tank after about 40 miles the front tank is just about full. Anyone have any ideas. I don't use the front tank due to I have to replece the filter.

Thank You
Mark
 
Reply
Old Dec 5, 2006 | 03:19 PM
  #2  
DOUBLEF222's Avatar
DOUBLEF222
Senior User
Joined: Nov 2006
Posts: 112
Likes: 0
From: LONEDELL MO
There Was A Recall On This I Just Took Mine To The Dealership And They Fixed It At No Charge
 
Reply
Old Dec 5, 2006 | 03:39 PM
  #3  
subford's Avatar
subford
Fleet Owner
20 Year Member
Photogenic
Photoriffic
Top Answer: 1
Joined: Aug 2005
Posts: 23,667
Likes: 301
From: Easton,Ks
You have a bad selector valve (stuck "O" ring) or you rear fuel pump is inoperative.
 
Reply
Old Dec 5, 2006 | 04:43 PM
  #4  
SilverSport's Avatar
SilverSport
Elder User
Joined: Feb 2006
Posts: 537
Likes: 1
From: Formerly Nawlins
SubFord .... I think it would be the front tanks pump with the problems since that is the one crossfilling. I know the 88 is a different system than my 90, but don't they both use the same filter?
 
Reply
Old Dec 5, 2006 | 05:45 PM
  #5  
subford's Avatar
subford
Fleet Owner
20 Year Member
Photogenic
Photoriffic
Top Answer: 1
Joined: Aug 2005
Posts: 23,667
Likes: 301
From: Easton,Ks
Originally Posted by SilverSport
SubFord .... I think it would be the front tanks pump with the problems since that is the one crossfilling. I know the 88 is a different system than my 90, but don't they both use the same filter?
No they are completely different systems. You would be right if it was a 1990. The 1990 have check valves in the FDM where the same check valve in the 1987 - 1989 are in the Hi-Pressure pump on the frame. You do not have the selector valve on the frame where his does and it is what redirects the fuel from and to each tank.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Big350
1987 - 1996 F150 & Larger F-Series Trucks
1
Nov 11, 2013 11:31 AM
stopp429
1987 - 1996 F150 & Larger F-Series Trucks
12
Feb 15, 2013 06:42 PM
brucers
Ford Inline Six, 200, 250, 4.9L / 300
3
Aug 26, 2011 07:03 PM
Lil Josh
1987 - 1996 F150 & Larger F-Series Trucks
16
Nov 8, 2008 06:24 PM
Saintelias
1987 - 1996 F150 & Larger F-Series Trucks
8
Sep 3, 2004 09:34 PM




All times are GMT -5. The time now is 03:30 AM.

story-0
10 Ugly Ford Trucks That We Still Kinda Love

Slideshow: 10 ugly Ford trucks that we still kinda love.

By Joe Kucinski | 2026-06-03 09:51:16


VIEW MORE
story-1
10 Things Every Truck Owner NEEDS (2026 Edition)

Slideshow: the best gifts for dads & grads

By Michael S. Palmer | 2026-06-03 15:43:58


VIEW MORE
story-2
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath

Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.

By Verdad Gallardo | 2026-06-03 11:38:36


VIEW MORE
story-3
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

Slideshow: 10 most expensive Ford trucks ever sold on Bring a Trailer.

By Joe Kucinski | 2026-05-27 16:24:34


VIEW MORE
story-4
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

Here's everything that has changed for the latest model year.

By Brett Foote | 2026-05-27 16:17:28


VIEW MORE
story-5
Top 10 Ford Truck Tragedies

Slideshow: Top 10 Ford truck tragedies.

By Joe Kucinski | 2026-05-18 19:34:33


VIEW MORE
story-6
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make

And it might be even better than that.

By Brett Foote | 2026-05-18 19:26:42


VIEW MORE
story-7
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!

Slideshow: Does lowering an F-150 Lobo RUIN the ride quality?

By Michael S. Palmer | 2026-05-18 19:20:37


VIEW MORE
story-8
Ford's 2001 Explorer Sportsman Concept Looks For a New Home

Slideshow: Ford's bizarre fishing-themed Explorer concept has resurfaced after spending decades largely forgotten.

By Verdad Gallardo | 2026-05-12 18:07:46


VIEW MORE
story-9
10 Best Ford Truck Engines We Miss the Most!

Slideshow: The 10 best Ford truck engines we miss the most.

By Joe Kucinski | 2026-05-12 13:09:47


VIEW MORE