Fuel pump/pumps question

[Messmer302]

need a little tech info
I have a 87 2.9 both fuel pumps shut down
This is my fathers truck he's had it for over 16 years now in the last
5 years theres been 3 in line pumps put in and 4 in tank
his fuel gauge has never worked and he doesn't care if it does he goes by fuel milage someone just told me that that could be killing pumps do to backfeeding voltage from sending unit. Is that possible?
Second on my 5.0 I put a mustang pump it the tank and thats all it uses can I do the same here?
From what I got from advanced auto web site a 92 2.9 uses a intank only can I Thats the pump I was going to use
also I checked napa's websight and they have a 90 stang and a 92 rangers fuel pump both rated at 65psi 18gph
but the 87 in line pump rated at 44psi and 33gph
bolth the 87 and 92 use the same fuel pressure regulator.
let me know what you think I'm mainly tired of putting in fuel pumps and hes tired of buying them.

Later
Messmer302

 

[Messmer302]

Ok here is what I did
removed the in line pump put a stock fuel filter in its place pulled the intank pump put a E2001 (advanced auto) fuel pump in the tank (had to remove/cut off 3/4in off sending unit)so far no problems

the pump is suppost to fit several rangers from 90 - 97 from a 2.3l to 4.0l
running just over 40psi fuel pressure

and I had the sales person at advanced auto pull bolth the ranger and stang pump kits pumps looked identical kits different

also can anyone tell me what the "thing" is thats after the in tank pump and before the in rail pump is? It has 4 lines going to it with 2 pressure lines and 2return lines on it

Later
Messmer302

 

[TwoWhels]

it is another fuel filter

mine was full (blocked the fuel flow)
unscrew to get at it

 

[AllanD]

No, it isn't a Filter.

IF you had an '85 2.3EFI or an '86 EFI (either engine) Ranger or
Bronco2 there'd be a shorter cover and a paper element inside it.

On your '87 or on an 88 there is a deeper screw on cover and no filter inside.

Ford refers to it as a "Reservoir cannister" and my STRONG recommendation if you are replacing an in-tank low pressure pump with a high pressure pump from a later vehicle you really NEED to remove that reservoir cannister (or filter as the case may be)

In either case leaving it there will create trouble.
(writing to the lurkers too)
If you have a paper element with a HP pump pushing into it the element willliterally "implode" and stop filtering as it ruptures.

If you have an inline filter further along (on your '87 up just behind the engine crossmember) the resistance of a plugged filter "donwstream" of the reservoir cannister with a High pressure pump upstream the cover on the reservoir cannister can split
and then it leaks fuel kinda like a lawn sprinkler (BTDT and didn't enjoy the show one little bit)

I wrote another lengthy post (which disappeared) on this subject suggesting that you grab the ENTIRE run of fuel lines from the RELOCATED metal filter forward... I suppose I need to explain again...on the '89-90 the filter is relocated to where your frame mounted pump is located now and it's a hell of a lot more accessable in the more rearward location.

1991-92 2.9's are different again and use braided metal lines more like the 4.0 fuellines
and a different fuel pressure regulator and fuel rail, but you probably don't want to go that far... (it gets kinda complicated)

It's all a lot easier if you have access to a decent u-pull-it junkyard.

 

[AllanD]

If asking questions it's best to keep it IN the topic rather than private message
or e-mail.

BTDT, "Been There Done That"

the reservoir in YOUR truck WILL NOT have a filter.

and the reason it's a "problem" is because if the filter on the frame rail
becomes clogged the HIGH pressure pump can fairly eeasily generate 75psi which is more than capable of rupturing the lower part of the housing.

I have PERSONALLY had this happen to me on my truck after I retrofitted a High Pressure pump into the tank.

IF you really want a a HP pump in the tank for safety's sake the cannister has gotta go.

when it fails it will fail suddenly and dramatically.

writing to the lurkers too is a reference to the fact that OTHERS will read these discussions and could potentially get the wong idea from partial information
So I have specifically included information that is IRRELEVANT to you.

the comment on the cannisters that DO have a filter inside is a technical "footnote"
that has NO relevance to you and your truck.
But do remember that others can and will benefit from information shared in any technical discussion without their participation in the discussion.

AD

 

[Messmer302]

ok sounds good next time I get to the salvage yard
I'll get lines to by pass resivior
thanks again

Later
Messmer302