Date: Mon, 14 Jan 2008 22:37:52 EST
Reply-To: Dvdclarksn@AOL.COM
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: David Clarkson <Dvdclarksn@AOL.COM>
Subject: just changed temp II sensor now low temp guage readings (bit long
with details)
Content-Type: text/plain; charset="US-ASCII"
Hear is my scenario that I am looking for some feedback from the wise list
gurus: My 1990 Westfalia suddenly started running extremely rich/losing
power/stalling when it reached the peak operating temperature (about 1/2 up on the
temperature gauge). I decided to replace the temp II sending unit since it
was much older than the O2 sensor; the airflow meter checked out and in general
the nature of the symptoms. Now the problem no longer exists but my
operating temperature according to the gauge is much lower. I ran the part # from my
sensor that I got at the dealership through the search by part # locator on
the Bus Depot site (very useful tool-Thanks Ron). It checks out and is blue in
color-all seemingly correct. My old temp II sensor that I removed looks
exactly like the coolant temperature sending unit pictured on this page of the
Bus Depot site _http://www.busdepot.com/details.jsp?partnumber=251919501D_
(http://www.busdepot.com/details.jsp?partnumber=251919501D) . So my theory is that
the last shop that replaced this particular temp II sensor installed a
coolant temperature sending unit by mistake. Does anyone concur or disagree with
this theory? Might I also have a problem with my thermostat sticking open that
causes my temperature to now appear to run so cool? Does anyone know how the
electrical values of these two sending units compare? Just to rule out one
other possibility; I did replace the correct sensor per the diagram in Bentley
that was double checked with the Digifant manual and Alldata. I also
verified that the wiring terminated at the correct ECU pins at the computer. Wiring
is all in tact and connections are all clean. Any help from the list would
validate my hunch that my Vanagon mind has not jumped the track and permanently
derailed from the fuel line job fumes from earlier this summer. Man I hate
that kind of dain brammage! Thanks everybody!
David Clarkson
90 Westy (246k)
**************Start the year off right. Easy ways to stay in shape.
http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489
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