1984 4k - no start

[Bares, Vittorio]

Have not tested the coil but have swapped it w/a new one.

Parts supplier is telling me $175 for the hall sensor assembly. :o

----- Original Message -----
From: Grant Lenahan <glenahan at vfemail.net>
To: Bares, Vittorio
Cc: quattro at audifans.com <quattro at audifans.com>
Sent: Tue Aug 04 10:47:49 2009
Subject: Re: 1984 4k - no start

hall sensor makes sense
have you tested or swapped, the coil itself?
does that car even have an O2 sensor

Grant

Bares, Vittorio wrote:
> So, has new wires, rotor, cap, plugs - was running fine - then about a
> week ago, while driving it - it just stopped running.
>
>  
>
> I cleaned the contacts on the coil - started again, but wasn't running
> well. Almost as if it was running on 4 cyl (it is a quattro 5cyl :-)). I
> was trying to diagnose by pulling one sparkplug at a time while it was
> running, not much change when I did so - consistently for all 5 plug
> wires.
>
>  
>
> Pulled the plug on the temp sensor in the rear of the head - no diff.
>
> Pulled the plug on the sensor that is on the fuel distributor - no diff.
>
>  
>
> This morning - no start...
>
>  
>
> No spark.
>
>  
>
> I'm thinking hall sensor??
>
>  
>
> Vittorio -
>
>  
>
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