Volks,

Lesson learned, I stand corrected: check your exhaust for leaks and
your O2 sensor first, THEN check idle speed and idle stabilizer. Of
course, as someone weened on a Type IV, I can tell you what wonders a
regular tune-up can do, assuming the engine has good compression all
around and was out of tune to begine with.

---gerry rafferty <gerryr@direct.ca> wrote:
>
> Had same idle "surging" with 83 Vanagon-replaced idle sab. unit,tune
> up,cleaned air sensor-still same.
> Make story short I had to replace the exhaust pipe that o2 sensor sits
> in-one of the 2 engine exhaust that join o2 pipe had a hole in
it-welded-no
> problem with surging idle since.These vans are so air sensitive.
> Hopes this helps
> Gerry
> -----Original Message-----
> From: Sam Scholten <vwvanagon@YAHOO.COM>
> To: Vanagon@VANAGON.COM <Vanagon@VANAGON.COM>
> Date: Thursday, April 23, 1998 8:19 AM
> Subject: Re: Vanagon Blues
>
>
> >---Goodtms4u <Goodtms4u@AOL.COM> wrote:
> >>
> >> This is my 1st posting.  I have a 85 Vanagon which runs great
before
> >it warms
> >> up.  Then the idle speed occilates betwwen 900 & 1800 rpms.  It
also
> >loses a
> >> lot of power and sometimes it's hard to pull away from a stoplight.
> >At the
> >> next stoplight it will perform normally.  This is my 1st
wasserboxer
> >so I know
> >> nothing at all about one.  If anyone could provide some input I
> >would sure
> >> appreciate it.
> >>
> >
> >I had a similar problem when I bought my '84. My idle used to "rev"
> >like yours, and it turned out that my idle speed was set too high.
The
> >ECU will cut the throttle down until it is acceptable, then the
engine
> >will rev back up and the ECU will cut it down again.
> >
> >Your timing might be off as well. This is ususlly the cause for your
> >van lacking power off the line.
> >
> >I think a regular tune-up will take care of your problems.
> >
> >Hope this helps!
> >
> >Sam
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>
>

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