RE: really puzzled

["Perry, Christopher" <cperry@cotl.com>]

It could possibly be some resistance in the wires between the sender
unit and the computer.  I believe you can remove the connector from the
computer and check the resistance between the pins that go to the temp.
sender (I don't have the Bently for the 4k anymore but if you don't have
it I'm sure someone on the list can give you the pin #'s)  

It is possible that with the wires shorted that the resistance was close
to what is supposed to be coming from the sender this making it run
"normally".  I believe the Bently procedure is with the temp. sender
installed but you could easily short the wires at the sender end and
measure the true resistance of the wire - should be essentially 0 ohms.
Also, wiggle the connector back and forth while watching the readings to
check for shorts/opens.
HTH,
chris perry

>-----Original Message-----
>From:	Greg Woodard [SMTP:gwoodard@ndsuext.nodak.edu]
>Sent:	Tuesday, October 28, 1997 7:14 AM
>To:	quattro@coimbra.ans.net
>Subject:	really puzzled
>
>I hope some of you remember the problem that had me stumped
>earlier.  87 1.8 4cyl, started with a single flip of the key, first 
>time everytime.  Ran good until it warmed up then it would start to 
>flood itself out.  
>
>With the help of the list, we found that disconnecting the temp 
>sensor on the bottom of the neck going into the engine, and shorting 
>the two wires together stopped the flooding.  With these wires 
>shorted together the car started fine, and ran good both cold and 
>warm (gas mileage also came back to what it used to be).  
>
>Well now that it is getting cold out, the car will not idle when 
>first started.  The car starts as soon as you turn the key, runs for 
>a couple of seconds and dies.  So we finally replaced the suspect
>temp sensor.  Now the car runs really bad, as soon as you start it, 
>it starts to flood itself.  Pull the connector off and short the 
>wires again, and it runs fine. 
>
>Any thoughts on what could be wrong, or words of wisdom, will be 
>greatly appreciated.
>
>Greg
>gwoodard@ndsuext.nodak.edu