A lot of people claim these go bad.      I've never had one go bad,
but the wiring to the sensor, and the connection has been a major
issue with many vanagons.   Check those.
                           Eric

Chad Morris wrote:

>Could that mean that my temp sensor II needs to be replaced?  Would a bad
>temp sensor cause such behavior?
>
>----- Original Message -----
>From: "Eric Zeno" <vw4x4@FYI.NET>
>To: <vanagon@GERRY.VANAGON.COM>
>Sent: Thursday, September 04, 2003 6:18 AM
>Subject: Re: timing does not advance
>
>
>
>
>>By unplugging the temp. sensor II you cause the computer
>>to not adjust the timing.  ITs sounds to me as if re-installing
>>this connection, the computer is still not working.
>>                                                  Eric
>>
>>Chad Morris wrote:
>>
>>
>>
>>>Hi all,
>>>
>>>I followed procedures outlined in a posting by Mark Keller to set the
>>>
>>>
>timing on my '89 Carat, automatic.  According to his instructions I set the
>timing so that the mark on the pulley (which is supposed to be the 5 degrees
>BTDC mark) lines up with the case seam while the engine runs at 2400 RPM.
>No problem there.  However, as I understand his instructions, above 3000
>RPM, the timing should reach a total advance of 40 degrees.  On my engine
>the timing does not advance at all.  No matter where I set the timing at
>idle, at higher RPMs the timing does not change at all.  Can anyone explain
>this?
>
>
>>>Chad Morris
>>>89 Carat
>>>Salt Lake City, UT
>>>
>>>
>>>
>>>
>>>
>>>
>
>
>
>
>