To test for that, just unplug the distributor.
My hunch is the fuel pump will still pre-runwith just key on.

On 10/24/2012 12:56 PM, mark drillock wrote:
> Ken, have you seen a case where a hall problem kept the fuel pump from
> running briefly at key on? If so it would be good to know that this
> could happen.
>
> Mark
>
> Ken Wilford wrote:
>> Sounds like the way my van behaved when the Hall Sensor in the
>> distributor went bad.  I could restart it over and over but then it
>> would randomly die out.  When it stopped it was like someone shut the
>> key off, tach dropped to zero.
>