[Shotimes] still having an engine problem, part 2

[Kevin & Cheryl Airth]

Joe:
 Has the cam sensor been changed?
I would try that next.
.
.


> 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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