Date: Mon, 8 May 2000 18:47:30 -0700
Reply-To: "Keith & Lynn C." <clayard1@NETCOM.CA>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: "Keith & Lynn C." <clayard1@NETCOM.CA>
Subject: Re: HELP!!!!! stuck idle!
Content-Type: text/plain; charset=us-ascii
Similar problem with my 81, turned out to be the decaration valve.
Plugged the vacuum line until I got a new one.
Keith
Peter Cassidy wrote:
> >My 88 Wolfsburg GL just got the case of the high
> >RPM's! When I put it into Neutral or Park, it shoots
> >all the way up to 2200rpm, in drive it hovers around
> >1200 RPM. We tried to clean up the Throttle body,
> >adjust the switch, adjust to idle, and clean the idle
> >stabilizer and nothing works. The funny thing is it
> >doesn't even appear able to adjust the CO. I need
> >some ideas if you don't mind about what things to do,
> >look for....etc. If anyone has a step by step
> >procedure, I'd really appreciate it.
>
> My '88 Wolfie was doing this for a while. Here's what
> happened; when the engine heated up & I was stopped at
> the lights, the idle speed would creep up and up,
> usually to about 1500 RPM but often over 2000. Engine
> braking was minimal & the van started bucking when
> cruising at 40-50MPH.
>
> - Checked for air leaks around the throttle switch
> and intake plenum. Nope!
>
> - Checked all vacuum hoses were not sucking air in.
> Temporarily disconnected the brake servo lines &
> plugged the ends. Nope!
>
> - Cleaned, then swapped out the AFM. Nope!
>
> - Unplugged the idle stabiliser valve while the engine
> was idling fast. Woohoo - it dropped like a stone
> & idled about 800 RPM.
>
> - Figured it was the idle solenoid. Replaced it with
> a second-hand one from German Parts Warehaus in
> Rancho Cordova, CA. Idle got slightly better, but was
> still bad.
>
> - Swapped out the replacement solenoid & traded in the
> new one for a new idle stabiliser unit (the guys at
> German Parts Warehaus were great!). Problem went away
> completely!!
>
> The replacement controller cost $120. It is located behind
> the right-hand rear light in a compartment where the intake
> air hose goes. Undo three clips & remove the panel & hose.
> The box is mounted on a 'holder' & can be slipped out ...
>
> Pete C
>
> --
> Peter Cassidy, pcassidy@apple.com
> Sr. Test Dev. Engineer +353-21-284316
> WW Operations
> Apple, Cork, Ireland.
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