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Car Forum / Ford / Ford Trucks / January 2007

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Fuel System Leak F150

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l_r_blake@yahoo.com - 17 Jan 2007 14:32 GMT
I have a Ford F150 1992 that is leaking from the fuel system. Ford
Consumer Hotline reports that a recall was performed, but has no record
of a date, only a dealership. Dealership has no record of performing
recall. In any event, whether it was performed or not, the check valve
has gone out again. To me this is a serious safety issue. NHTSA has an
open investigation in regards to this recall. Has anyone been in this
same situation? Ford said to contact them if it catches on fire!
Matt Macchiarolo - 18 Jan 2007 01:48 GMT
15 years is pretty much past the life expectancy for any fuel system. Time
for a fuel line replacement...don't expect it to be done under warranty for
a teenage truck.

>I have a Ford F150 1992 that is leaking from the fuel system. Ford
> Consumer Hotline reports that a recall was performed, but has no record
[quoted text clipped - 3 lines]
> open investigation in regards to this recall. Has anyone been in this
> same situation? Ford said to contact them if it catches on fire!
l_r_blake@yahoo.com - 18 Jan 2007 14:19 GMT
We have been using the front tank only with no leakage.  Leakage occurs
only when both tanks are full.

> 15 years is pretty much past the life expectancy for any fuel system. Time
> for a fuel line replacement...don't expect it to be done under warranty for
[quoted text clipped - 7 lines]
> > open investigation in regards to this recall. Has anyone been in this
> > same situation? Ford said to contact them if it catches on fire!
IdaSpode - 18 Jan 2007 16:12 GMT
>We have been using the front tank only with no leakage.  Leakage occurs
>only when both tanks are full.

Where is this "leak"? Are you sure it's not over filling the front
tank? If you use the front tank first, then go to the rear, does the
leak stop?

I had an intermittent problem on my 91 F150; when the front tank was
full and I used the rear tank first, it returned the fuel to the front
tank, thus over filling it.

Here is text from another post on this subject:
http://groups.google.com/group/rec.autos.tech/browse_frm/thread/95c2280c69ca6f7f
/05af9a54af588fb7?lnk=st&q=ford+fuel+transfer&rnum=1&hl=en#05af9a54af588fb7

- - - - - -
>   I have a 1988 F150 with the 4.9L-I6 and dual fuel tanks.  Recently I
>noticed that while running off the rear tank there is fuel also being
[quoted text clipped - 6 lines]
>on the cause of this problem?
>Regards, Fred

Hi Fred,
Your fuel injection pressure regulator maintains the correct pressure
for your fuel injectors but by design allows fuel to constantly return
to your fuel tank. This keeps the fuel from heating up and causing
problems.

The return line routes the fuel from your fuel pressure regulator back
to the tank. When you switch tanks, your drawing from the other tank
but your return line is still stuck on the original tank.
Consequently, you are transferring fuel from one tank to the other.
- - - - - -

Google: "ford F150 fuel overflow" or "ford fuel transfer", plenty of
people have had this problem...

DJ
- - - -

>> 15 years is pretty much past the life expectancy for any fuel system. Time
>> for a fuel line replacement...don't expect it to be done under warranty for
[quoted text clipped - 7 lines]
>> > open investigation in regards to this recall. Has anyone been in this
>> > same situation? Ford said to contact them if it catches on fire!
Steve Barker - 18 Jan 2007 17:04 GMT
The problem has nothing to do with the return path.

Signature

Steve Barker

> The return line routes the fuel from your fuel pressure regulator back
> to the tank. When you switch tanks, your drawing from the other tank
> but your return line is still stuck on the original tank.
> Consequently, you are transferring fuel from one tank to the other.
> - - - - - -
IdaSpode - 18 Jan 2007 17:25 GMT
With all due respect Steve, how can you be sure of this with the
limited info the OP has provided. He has never stated exactly how this
leak manifests itself.

My clue was the "only has problem when both tanks are full"?

DJ

>The problem has nothing to do with the return path.
>
[quoted text clipped - 3 lines]
>> Consequently, you are transferring fuel from one tank to the other.
>> - - - - - -
Steve Barker - 18 Jan 2007 17:35 GMT
I was basically replying to a reply.  Not necessarily the OP.

Signature

Steve Barker

> With all due respect Steve, how can you be sure of this with the
> limited info the OP has provided. He has never stated exactly how this
[quoted text clipped - 3 lines]
>
> DJ
 
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