[V8] Speed sensor problem?

Charles Wurts cwurts12 at mindspring.com
Fri Jun 10 22:29:07 EDT 2005

Seems like your actions prove the theory.  The next item I would be 
thinking would be MAF.  FWIW.

On Jun 9, 2005, at 9:07 PM, Ingo Rautenberg wrote:

> Let me preface with the fact that temps here have been in the low 90's 
> this
> week and high humidity.
> So we had a heck of a downpour here yesterday to the point where the 
> storm
> drains couldn't handle the water and after driving through a few of 
> these
> roadway "ponds," I pulled over and waited out for the waters to 
> subside.
> About this time my car began exhibiting rough running conditions, or 
> more
> accurately, bogging-down.  So I checked my previous boging-down 
> culprits
> (dist caps, TP sensor, etc and all showed no signs of water.  
> Occasional
> bogging down on the way home.  Every time, I shut the car off (if it 
> hasn't
> already stalled), it starts right up.  So I think water ingress 
> somewhere
> and hopefully gone by morning.
> Not so.  Symptoms persist throughout the day.  I bring the V8 5 speed 
> to my
> local Audi guy and he hooks up the VAG-COM and nada.  Test drive it 
> and no
> problems.  Return to work and then attempt to leave a few hours later. 
>  She
> starts fine, but immediately bogs down and stalls.  Happens a few more 
> times
> and I immediately remember the bottle of cold water on the sensor trick
> (though used for the crank position sensor for no-start problem IIRC.  
> And
> it worked.  No problems all the way home.  So sounds like heatsoak/bad 
> speed
> sensor to me.  Whattaya think?
> Ingo
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