[urq] Strange behavior- ECU/ignition?

[daniel darlington]

my car does the same thing....only every now and then.
--- DGraber460 at aol.com wrote:

> I have over the years had my car (83 URQ) on rare
> occassion behave very  
> strange with no clue as to why.
> What happens is out of the blue, driving down the
> hiway at 60-70, the tach  
> will suddenly to drop to zero and bounce up & down
> as it comes on and  off 
> line. The car then backfires violently at the same
> time. It starts with once  
> every 15-20 seconds and becomes more and more
> frequent until the car finally  
> stops altogether. Switching the car off, and
> restarting (rebooting the computer)  
> and all seems fine.
> It has only happened 4-5 times over the years, but
> did it twice yesterday  as 
> I was returning from the West Coast UPG in the
> middle of Utah, and western  
> Colorado (miles from anywhere). It is not heat
> related, and pedal input &  
> jiggling the ignition switch have no effect. Is
> there anything in the ECU maps,  
> programs, or electronics that could cause such a
> thing?
> This has me totally stumped!
> It will go months or years between episodes-
> although yesterday it was 3  
> hours and 240 miles apart.
>  
> Dennis
> Denver
> 
> _______________________________________________
> Audifans urq mailing list
> Send posts to: mailto:urq at audifans.com
> Manage your list connection:
> http://www.audifans.com/mailman/listinfo/urq
> Have an urq question?  Check the Audifans
> Knowledgebase!
>
http://www.audi-quattro.org/cgi-bin/twiki/view/Audi/UrQuattro
> Have an urq answer? ... Please help others by adding
> to the KB ... all contributions welcome!
> 


=====
daniel a. darlington




__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com