Interesting ride to work

[LL - NY]

My 4000 once quit like this. Bad Fuel Pump Relay.

LL - NY

On 3/15/07, DGraber460 at aol.com <DGraber460 at aol.com> wrote:
>
> This AM, I am jaunting on to work with the usual Audi flare when at  ~60
> mph
> steady speed that old URQ went spark dead. Tach dropped to zero.  No
> noises,
> bumps, etc. I coast to the side of the road in gear all the  while
> jiggling
> everything I can think of (including the ignition switch) to no  avail.
> All the
> other electrics worked fine but the tach didn't even bounce.
> Once stopped, I offer a heavy sigh of "What Now?!", and turn off the
> ignition. Figuring I had nothing to lose, I turn it back on and crank it
> and it
> fires right up and ran fine the rest of the day.
> My first guess is the TDC flywheel sensor. Is there anything else that
> will
> totally cut spark this way?
>
> Maybe I have a Microsoft programmed ECU, and just wants to be "rebooted"
> once in a while.
>
> My other URQ did something similar about once every 9 months, but
> would  buck
> and backfire and finally completely die. It would also start right up
> after
> the "reboot". Not sure but I might be using the same TDC sensor from
> that  car.
> Are these sensors still available new? If so from where? The used spares I
> have are all a bit dodgy.
> TIA
>
> Dennis
> Denver
>
>
>
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