91 100 CSI-E III...stalling hot

[jlagnese at massed.net]

Try unplugging the O2 sensor and see if it starts.
---- Original message ----

  Date: Mon, 28 Sep 2009 08:01:36 -0700
  From: John Gourley <azaudi at gmail.com>
  Subject: 91 100 CSI-E III...stalling hot
  To: quattro at audifans.com
  >For anyone that has or has had an Audi with CSI-E
  III NF
  >engine..........been fighting a problem with the
  wife's 91 100 FWD. When
  >the ambient temp gets to 98-100 degrees or more,
  the problem can happen. I
  >take a 50 mile drive on the freeway to
  Tucson,AZ....runs fine...then during
  >the course of stop and go driving around Tucson,
  it sometimes acts up. I
  >get a slight two or three jerks and the engine
  shuts down. Jerks might be
  >too strong a description, the passenger won't
  even feel it. Feels like the
  >fuel is shutting down. So I sit parked on the
  side of the road for maybe 15
  >minutes.........then starts right up and may run
  fine for another 20 minutes
  >of stop and go driving then shuts down again.
  Yesterday was about 100
  >degrees in Tucson...it happened. So we found a
  restaurant, had a long lunch
  >and one hour later took off fine. Drove 10-15
  miles of stop and go driving,
  >got onto the freeway and headed the 50 miles
  home. It ran fine. The longer
  >I let it cool down the more miles I can probably
  drive before shutting down
  >again
  >
  >Something is warming up and shutting off, causing
  the problem AND if ambient
  >stays under 95 degrees there is no problem. Seems
  to take a combination of
  >an hour or so of highway driving and then city
  stop and go.
  >
  >Has anyone ever had the fuel distributor cause
  such a shutting down
  >problem. I know a dirty or otherwise bad fuel
  distributor can certainly
  >make for poor running...but can it actually shut
  down an engine? I've
  >never seen that happen but I haven't seen it all!
  >
  >I mention the fuel distributor because most other
  parts are new. New fuel
  >pump, new pump check valve, new accumulator, new
  fuel pressure regulator,
  >new injectors, new temp sensors (both of them)
  new oxy sensor, new fuel pump
  >relay, new cold start valve
  >
  >Wish this car ran as good as my old reliable 89
  200 TQ avant!
  >
  >thanks for any ideas or suggestions
  >
  >John Gourley
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