[Shotimes] Hard starting

[Kevin & Cheryl Airth]

Eric:
 Have you cleaned or replaced the IAB?
.
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> Well I thought I had eliminated my hard start problem the other day when I
> replaced the fuel pump.  Only happens every once in a while.  The engine
> will crank and crank but not turn over.  Sometimes you have to floor the
gas
> to get it to start.  Which leads me to think that the engine is flooding
> somehow while the car is sitting off?  That doesn't make too much sense
> though. :)  Is it possible that the fuel pressure regulator is failing on
> startup? That maybe it's allowing too much fuel in on startup? Either that
> or I have a few leaking injectors.  So recently, I've put in a new fuel
> pump, and new fuel filter.  Anyone have an idea of what to check next?  My
> last tank of gas gave me an average of 22.6 MPG city driving, coming up
from
> about 19 MPG this winter.  Originally thought there might had been a
problem
> with the check valve on the fuel pump, but can rule that out now.  Put a
> fuel pressure gauge on the fuel rail when I was having the problem and
when
> the pump primed (key to on) I had 0 psi at the schreader valve.  Primed it
> like 5 times and each time it slowly rose to proper fuel pressure.  And
even
> after that it still wouldn't start, I had to press the gas to the floor to
> get it to start.. I'm at a loss...and ideas?? Thanks
>
> '95 MTX
> Erik B.