1984 4k - no start

[jlagnese at massed.net]

Check the spark control unit. Its piggybacked on the
computer.
---- Original message ----

  Date: Tue, 4 Aug 2009 10:42:59 -0400
  From: "Bares, Vittorio"
  <Vittorio.Bares at nuance.com>
  Subject: 1984 4k - no start
  To: <quattro at audifans.com>
  >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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