Larry Alofs <lalofs@GMAIL.COM> writes:

> Like John said, get the oil level down, and check the connection
> near the crank pulley.  That is a harsh environment for the wire and
> connector.  The sensors can also go bad.  Getting it out can be
> interesting.  You can check its operation with a bicycle pump and an
> ohmmeter.  It should be the one that triggers at 0.9 bar.  VW parts
> depts. often give you the wrong one and this causes a lot of
> unnecessary buzzing and worry.  BTDT

Confirmed, my van was doing this and I found it had a 1.8 bar sender
installed.  After I replaced it with the proper 0.9 bar (should be
gray in color) the problem stopped.

Allan
--
1991 Vanagon GL