[V8] stuck in Milwaukee / Tachometer trouble

[kneale at coslink.net]

You need a new Engine Speed Sender  (077905381A).  It reads the teeth of
the flywheel and lets the ECU know the engine is running.  Without a
signal, the ECU turns off the spark.  In an emergency, if it's working well
enough to allow a restart after slight cooling, you could replace it with
the Ignition Reference Sender  (077905381), which only has to give a signal
to permit a start.  They're together behind a heat shield in the middle of
the driver side exhaust plumbing.  Very inconvenient spot to get to.  

Original Message:
-----------------
From: Richard Hill mericky at yahoo.com
Date: Thu, 21 May 2009 18:40:30 -0700 (PDT)
To: v8 at audifans.com, ricktheboyscout at yahoo.com
Subject: [V8] stuck in Milwaukee /  Tachometer trouble


Hey Audifans,   While driving from UP Mich. to Milwaukee, to go to a
wedding in upper-state NY , my V8 Q  kept  shutting down . I would have to
wait 7-12 min. before it would re-start .   What I noticed was the gages
were all fine  except the tach would drop out and i'm coasting
.....re-start would  not happen when trying for 7-12 min. of engine being
off...The stopping of motor seemed to be every 45 min. or so the first 3
times..By the time I was 25 miles from Milwaukee  the old girl was turning
off every 4 miles .I parked the 1990 V8Q before heading into the city and
had my daughter come get us. What would be causing this to happen ???  NEED
HELP with diagnosis  ,,,Thanks in advance   Rick inthe UP


      
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