[Shotimes] lost MPG due to fuel pump?

[Paul Nimz]

> If the fuel does shut off, why does it start with it floored? 

The throttle plate is wide open and plenty of air is being ingested to go
along with the rich mixture in the cylinders.

Paul Nimz
'97 TR SHO
'93 EG mtx SHO


----- Original Message -----
From: "Steve Tatro" <stevetatro_shotimes@att.net>
To: "'Bill Murray'" <fordsho@cloud9grafx.com>; "'SHOTimes'"
<shotimes@autox.team.net>
Sent: Tuesday, January 14, 2003 6:24 AM
Subject: RE: [Shotimes] lost MPG due to fuel pump?


> This would indicate leaky fuel injectors.  If there is already fuel in
> the cylinder, and you try to start it with the fuel injectors still
> spraying fuel it becomes flooded; too much fuel in the cylinder.  If you
> then fully depress the gas pedal and temporarily disable the injectors
> the engine's able to use the fuel that's already in the cylinder without
> you flooding it with more.  Thus the car starts.
>
> That's about how I figure it, anyway ;^)
>
> Steve Tatro
> Red/Black '93 with 164k miles
> Cincinnati, Ohio
>
>
>
> -----Original Message-----
> From: shotimes-admin@autox.team.net
> [mailto:shotimes-admin@autox.team.net] On Behalf Of Bill Murray
> Sent: Tuesday, January 14, 2003 1:51 AM
> To: 'Paul Nimz'; SHOTimes
> Subject: RE: [Shotimes] lost MPG due to fuel pump?
>
>
> I've noticed the same thing with all 3 of my SHO and all my friends SHOs
> also.  If the fuel does shut off, why does it start with it floored?  My
> car doesn't stall on its own, it's only if I didn't hold the key down
> long enough.
>
> Bill
>
> -----Original Message-----
> From: shotimes-admin@autox.team.net
> [mailto:shotimes-admin@autox.team.net] On Behalf Of Paul Nimz
> Sent: Tuesday, January 14, 2003 1:33 AM
> To: shotimes@autox.team.net
> Subject: Re: [Shotimes] lost MPG due to fuel pump?
>
> My '93 will sometimes stall at initial startup.  If I don't floor it, I
> will be cranking till the cows come home.  Floor it and it starts just
> fine. For whatever reason.
>
> Paul Nimz
> '97 TR SHO
> '93 EG mtx SHO
>
>
> ----- Original Message -----
> From: "Ron Porter" <ronporter@prodigy.net>
> To: <shotimes@autox.team.net>
> Sent: Monday, January 13, 2003 3:07 PM
> Subject: RE: [Shotimes] lost MPG due to fuel pump?
>
>
> > I don't think so. My '95 is rather unresponsive when it's cold (like
> within
> > the first mile in sub-freezing  weather) and likes to stall. Flooring
> it
> > which starting brings it to life. There is a procedure in the PCM that
> works
> > during cranking with full throttle, but it definitely does NOT shut
> off
> the
> > injectors.
> >
> > Ron Porter
> >
> > -----Original Message-----
> > From: shotimes-admin@autox.team.net
> > [mailto:shotimes-admin@autox.team.net]On Behalf Of Midwest SHO
> > Specialists SHOtimes
> > Sent: Monday, January 13, 2003 2:23 PM
> > To: Erik Balser; shotimes@autox.team.net
> > Subject: Re: [Shotimes] lost MPG due to fuel pump?
> >
> >
> > Flooring the vehicle on start-up will shut off the injectors.
> >
> > Mike Kopstain
> > Midwest SHO Specialists
> > 827 North Chestnut Avenue
> > Arlington Heights, IL 60004
> > www.MidwestSHO.com
> > Sales@midwestsho.com
> > ----- Original Message -----
> > From: "Erik Balser" <masho95@charter.net>
> > To: <shotimes@autox.team.net>
> > Sent: Monday, January 13, 2003 12:40 PM
> > Subject: [Shotimes] lost MPG due to fuel pump?
> >
> >
> > > Just curious as my ongoing problem continues...is it possible for a
> weak
> > > fuel pump to reduce the MPG of the car by 50-60 mpg per tank?  Just
> > thinking
> > > about when I had problems starting the car.  It wouldn't start due
> to
> the
> > > fact it was either flooded or from lack of fuel.  Anyone know what
> happens
> > > to the SHO when you floor the gas pedal on startup.  Does it cut the
> > excess
> > > fuel from entering or does it add more fuel upon startup?? My next
> step
> is
> > > to find myself a fuel pressure gauge and take some readings.  Thanks
> > >
> > > '95 MTX
> > > masho95
> > > http://webpages.charter.net/masho95
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