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Car Forum / Ford / Ford Trucks / March 2008

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91wont start-  explorer xlt, 4.0, auto OD, 4x4, full frame, manual locking hubs

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mat_jones - 10 Mar 2008 16:59 GMT
ok i hacked a hole in the floor because i thought it was the feul pump, I
stopped hearing it prime. so now i got it wired directly, the pump goes and
she gets gas now. i hit the white button on the relay and the red light
comes on but still wont start.
funny how it conked out, she would run just barely at maybe 250 rpm, just
sputtering quietly barely turning over on her own. as soon as i gave some
gas, she conked out.
I dont hear any fuel pump kick in primer mode when i turned the ignition on
after this problem started. checked all fuses twice, will check again but
pretty sure i am not that blind.
before i bought it, it had a alarm in it the guy de-installed
professionally.
any help would be appreciated, any thoughts on the matter, any ideas in
general
Whitelightning - 10 Mar 2008 19:07 GMT
> ok i hacked a hole in the floor because i thought it was the feul pump, I
> stopped hearing it prime. so now i got it wired directly, the pump goes
[quoted text clipped - 10 lines]
> any help would be appreciated, any thoughts on the matter, any ideas in
> general

Just because its running, ie the fuel pump, doesnt mean its providing enough
fuel
pressure.  Which could be the fuel pump, or the regulator.

I've never seen soo many people so afraid of dropping a fuel tank.

Whitelightning
mat_jones - 11 Mar 2008 00:53 GMT
changed the fuel pump, no different, not the fuel pump
its getting gas
could it be the ships computer?
it gets spark...
it cranks over...
no fuel pump kicking in....
wired direct, working...
getting gas when i check the bleeder valve in fuel line at engine....
perhaps the injectors are not working as per ships computer is NFG?

under the hood it mentions something about a fuel pump shut off switch? and
ideas where this might be?

>> ok i hacked a hole in the floor because i thought it was the feul pump, I
>> stopped hearing it prime. so now i got it wired directly, the pump goes
[quoted text clipped - 18 lines]
>
> Whitelightning
david - 11 Mar 2008 03:04 GMT
<top posting corrected>

> changed the fuel pump, no different, not the fuel pump its getting gas
> could it be the ships computer?
[quoted text clipped - 7 lines]
> under the hood it mentions something about a fuel pump shut off switch?
> and ideas where this might be?

Did you check if the fuel pump relay was OK?  Plugged fuel filter?  What
is the pressure at the fuel rail?  There's a lot of things you should
check before you cut more holes in the floorboards.

Inertia cut-off switch usually located under the passenger side kick
panel (check owner's manual to be sure).
mat_jones - 17 Mar 2008 15:35 GMT
code reader feedback registering 000. code reader sending signals to cpu, no
reply....
cpu problem?
when ignition is on, power getting to cpu from incoming wires
any advice, tips etc would be appreciated
ajeeperman@comcast.net - 20 Mar 2008 03:12 GMT
maybe the fuel filter is partially plugged.
old john

Hello, mat_jones!
You wrote  on Mon, 10 Mar 2008 15:59:01 GMT:

mj> ok i hacked a hole in the floor because i thought it was the feul pump,
mj> I stopped hearing it prime. so now i got it wired directly, the pump
mj> goes and she gets gas now. i hit the white button on the relay and the
mj> red light comes on but still wont start.
mj> funny how it conked out, she would run just barely at maybe 250 rpm,
mj> just sputtering quietly barely turning over on her own. as soon as i
mj> gave some gas, she conked out.
mj> I dont hear any fuel pump kick in primer mode when i turned the
mj> ignition on after this problem started. checked all fuses twice, will
mj> check again but pretty sure i am not that blind.
mj> before i bought it, it had a alarm in it the guy de-installed
mj> professionally.
mj> any help would be appreciated, any thoughts on the matter, any ideas in
mj> general

With best regards, ajeeperman@comcast.net.  E-mail: ajeeperman@comcast.net

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