When you are driving down the road and it cuts off, what is the tach doing?

When you have it where it cranks and cranks but won't fire, do you hear
the fuel pump run for 1-2 seconds every time you turn the key on?

Mark

JRodgers wrote:
> As I have mentioned before - I have had a few occasions when after
> shutting then engine off - it simply would not start again immediately.
> Had to rest - cool down maybe, before starting again. But the starter
> turned engine vigorously - but won't even fire. Now I am closer to a
> solution.
>..............
> Now - when running down the road - the engine just simply quits stone
> cold dead for a few seconds - then it will catch and goes for gusto.
> Just a bit later - it will do it again. This is definitely electrical -
> and I am highly suspicious of the Hall Sender - although I know an ECU
> could possibly cause this  or perhaps a coil going bad. I know an O2
> sensor can cause a rough running engine - but not this  I don't think.
>
> Anyone else with ideas at this point?? Please feel free to pitch in here.
>
> Thanks,
>
> John
>