[Shotimes] Re: still having an engine problem, part 2

[Steve Weinrich]

Yeah, but a ruptured FPR diaphram will cause the engine to fluod since the
fuel is entering the intake unmetered.

This was a somewhat common problem on the original 4.0L Exploreres.

Steve
----- Original Message -----
From: "Carl Prochilo" <gr8sho@prochilo.myserver.org>
To: <shotimes@autox.team.net>
Sent: Wednesday, June 18, 2003 12:19 PM
Subject: Re: [Shotimes] Re: still having an engine problem, part 2


> It's funny, I was just thinking the opposite.  Everytime I've seen or
heard
> of a problem that might be attributed to a fuel pressure regulator, it
> turned out to be something else.  I'm still thinking that there is some
> electrical problem in Joe's car that's fooling the PCM.
>
> Cheers,
> Carl Prochilo
> 92 Ultra Red Crimson
> ----- Original Message -----
> From: "Steve Weinrich" <stevwein@swbell.net>
> To: <TechSHO@topica.com>; "van Oss" <vanOss@centurytel.net>;
> <shotimes@autox.team.net>
> Sent: Wednesday, June 18, 2003 12:58 PM
> Subject: [Shotimes] Re: still having an engine problem, part 2
>
>
> > Pull the vacuum line from the fuel pressure regulator and see if there
is
> > gas inside it.  Those diaphrams have been known to rupture.
> >
> > Steve
> > ----- Original Message -----
> > From: "Joseph van Oss" <vanOss@centurytel.net>
> > To: "van Oss" <vanOss@centurytel.net>; <shotimes@autox.team.net>
> > Sent: Wednesday, June 18, 2003 10:28 AM
> > Subject: still having an engine problem, part 2
> >
> >
> > > I swapped the IAB just because I had one.  No fix.  Drove fine for a
> > couple
> > > of minutes, then back to bouncy idle and stalling.
> > >
> > > This morning at the Schraeder valve there was zero fuel pressure.
Once
> I
> > > turned on the key, there was fuel at the valve.  I don't have a gauge
to
> > > quantify the pressure, but there was fuel.  At the moment the engine
> > stalls,
> > > I can here the fuel pump going through its 1-second priming routine.
> > >
> > > When it strands me, the way to restart it seems to involve pressing
the
> > > pedal all the way to the floor (I have heard this turns off the
> > injectors).
> > > There is a definite gasoline smell at this time.
> > >
> > > Please send me ideas!  Thanks!
> > >
> > > Joseph
> > >
> > >
> > >
> > > ----- Original Message -----
> > > 91 mtx 3.0L, 140K, 73mm with Breaux LPM.  Within less than 10K I have
> > > replaced most sensors, IAB, fuel pump and filter, and did all 60K
except
> > > valve lash.
> > >
> > > Intermittent problem for the last few weeks.  Gradual onset.  One time
> > > you'll start the car and it will fire immediately, and run smoothly.
> > > Another time, it'll crank forever before finally starting.  You'll
wait
> at
> > a
> > > stop light, the revs will pop up, you know you're in trouble.  When
you
> > try
> > > to take off, the engine sputters and dies.  No codes.
> > >
> > > IAB?  That might explain the revs coming up weirdly?
> > >
> > > Crank sensor (gawd I hope not)?   I thought this one was sudden death.
> > >
> > > Cam sensor?  Often associated with long cranking before start?
> > >
> > > Multiple problems?  Could it be IAB and fuel filter?  Should do filter
> > just
> > > to rule it out, I suppose.  My hunch is crank or cam sensor.
> > >
> > > Joseph van Oss
> > >
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