Chuck;
        Reading the voltage of the TEMPII sensor does not tell you if
they are in _tolerance_. You MUST use an ohm meter, a thermometer and the
graph in Bentley. If I suspect a problem I buy a new one and test it
before insertion. I check it at boiling point, room temperature and below
freezing. Then replace the suspect one and test it also. I have found
TEMPII sensors read good at operating temperature but the resistance at
freezing be off by a factor of two!
        I have had a new TEMPII sensor fail after a couple of weeks.
Always suspect the TEMPII sensor.

Drive Safely & Good Luck
Ken Lewis    <Kernersville,NC>
86 VW crewcab;60 356B Coupe
--------------------------------------------------

On Wed, 16 Feb 2000 20:53:22 EST Chuck Mathis <CMathis227@AOL.COM>
writes:
>I'm still having a bit of trouble with my '85 1.9L.  When I first
>start the
>van in the morning it won't idle for more than a minute or two before
>it
>dies.  It is a little fussy to restart and I have to carefully work
>the brake
>and  gas to keep the rpms up (just over 1k) at a stop (the curse of an
>automatic).  Once it's been running for a few minutes it idles fine.
>
>I replaced the Temp Sensor II and have a Digitool hooked up.  The Temp
>II
>reading starts around 1.5v and steadily drops as the engine warms up
>(with
>both the old and new sensors).  The engine quits at 0.9v and remains
>contrary
>until the reading drops to about 0.4v.  By the time I get to work this
>has
>dropped to .05v and the beast is running nearly perfect.  The Temp
>Sensor I
>reading stay fairly constant around 1.5v and the O2 reading fluctuates
>all
>over the place.
>
>Any suggestions?
>
>Chuck

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