2001 Ford Explorer Starting Problem

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cusack - 19 Mar 2006 18:54 GMT

Hi,

I'm hoping someone can figure this out. My wife has a 2001 Ford
Explorer with the V6 4.0. We were having a problem to where it would
not crank without giving pressing the accelarator and I thought I had
it solved on two seperate occasions. First time someone suggested that
it was the Idle Air Control Valve (IAC) so I replaced that and the car
cranked fine for a week and then it started doing it again. Someone
else suggested that it might be the fuel filter so I then replaced that
and it has been doing perfect for a month now until today when it
wouldn't crank till I pressed on the gas pedal. Whenever you step on
the accelerator pedal while trying to crank it, then it will crank fine
but if you don't press on it then it will not crank at all. Anyone have
any idea what could be causing this?

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Backyard Mechanic - 19 Mar 2006 20:24 GMT

> Hi,
>
[quoted text clipped - 10 lines]
> but if you don't press on it then it will not crank at all. Anyone have
> any idea what could be causing this?

"Cranking" is the engine rotating with starter power.

And by 'pressed' do you mean to floor? or partially?

Suspect either bad/flaky TPS or flaky Fuel Pressure regulator
(more common on GM cars than Fords: my dads lumina had same problem,
brother said it was FPR, I disagreed.. he was right.)

Signature

Yeh, I'm a Krusty old Geezer, putting up with my 'smartass' is the price
you pay..DEAL with it!

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cusack - 19 Mar 2006 21:18 GMT

I mean the engine will turn over fine but will not "start" unless you
press the pedal to the floor and turn the key at the same time.

> > Hi,
> >
[quoted text clipped - 22 lines]
> Yeh, I'm a Krusty old Geezer, putting up with my 'smartass' is the price
> you pay..DEAL with it!

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Backyard Mechanic - 19 Mar 2006 21:28 GMT

> I mean the engine will turn over fine but will not "start" unless you
> press the pedal to the floor and turn the key at the same time.

That usually means it's flooding on normal cranking, most likely either the
ECT sensor or the FuelPressure Reg (FPR)

Either case should idle rough with fuel smell from exhaust once started.

Signature

Yeh, I'm a Krusty old Geezer, been flooded a few times in my youth, myself.

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Jim Warman - 19 Mar 2006 21:57 GMT

It would be nice if the original poster was patient enough to post this in
only one NG.... as it stands, advice and symptom description are scattered
amongst at least two NGs. Open the dictionary to "confusion" and we may very
well see these threads.....

>> I mean the engine will turn over fine but will not "start" unless you
>> press the pedal to the floor and turn the key at the same time.
[quoted text clipped - 4 lines]
>
> Either case should idle rough with fuel smell from exhaust once started.

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