Date: Wed, 28 Jul 2021 09:19:40 -0400
Reply-To: Eric Pruitt <pruitt.eric@GMAIL.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Eric Pruitt <pruitt.eric@GMAIL.COM>
Subject: Re: Idle gremlins still at play
In-Reply-To: <0BB8A3E3-9A11-446D-9245-24F0E7B9EADE@icloud.com>
Content-Type: text/plain; charset="UTF-8"
I am going to have my ICU rebuilt from Module Master (thanks Stuart!). Did
some digging and it appears that some have ran there vans without an ICU
plugged in with no more ill effect than sans ICV. Can anyone verify this
to be true? I have ran w/o my idle control valve forever and it seems like
the ICV and ICU get interchanged somewhat in posts. Would love to send off
my ICU now instead of waiting to be down a week or more.
TIA,
Eric
87 Westy
On Tue, Jul 27, 2021 at 4:58 PM Jeff Palmer <w.jeff.palmer@icloud.com>
wrote:
> Hi Roy. I have had the same issue - surge then idle then surge - for a
> couple of years now. When I drive and not moving it idles nicely at 900.
> Maybe you can wait to send it out until you park it this winter? Assuming
> you don’t drive it right now. Maybe I’ll send mine with you - I’m in St
> Andrew’s NB for holiday. (No van).
> Jeff
>
> Sent from my iPhone
>
> > On Jul 27, 2021, at 2:57 PM, Roy Nicholl <RNicholl@nbnet.nb.ca> wrote:
> >
> > Stuart:
> >
> > That's interesting. Though being dead-in-the-water for a couple of
> > weeks or more (I am in Canada) is discouraging.
> >
> > Thank-you,
> >
> > Roy
> >
> >
> > stuartmacm@gmail.com wrote on 2021.07.27 14:40:
> >> Idle control unit. Have it rebuilt:
> https://modulemaster.com/products/vw-volkswagen-vanagon-1986-1991-idle-controller-rebuild
> After 30+ years in a wet environment they all fail.
> >>
> >> Stuart
> >>
> >> -----Original Message-----
> >> From: Vanagon Mailing List <vanagon@gerry.vanagon.com> On Behalf Of
> Roy Nicholl
> >> Sent: Tuesday, July 27, 2021 10:25 AM
> >> To: vanagon@GERRY.VANAGON.COM
> >> Subject: Idle gremlins still at play
> >>
> >> Good day all,
> >>
> >> The Hyena (88 Westy WBX) started racing at idle (from 1100 climbing to
> >> 2500 last summer). If you were at the back of the van and pushed the
> throttle hard closed - sometimes wiggling it - the van would fall back into
> an idle. With the engine shutdown, you had to do the same to hear the
> click of the TPS.
> >>
> >> This morning, I replaced the throttle body with a new GoWesty unit.
> Things were fine for the first test run. After lunch, I restarted the van
> and it began surging at idle, but differently than before. The WBX will
> surge to 2200 - 2500 RPM, but after 1-2 seconds falls back to idle. Rinse
> and repeat.
> >>
> >> I unplugged the 12v from the idle control valve and the engine remained
> at idle. I removed the idle control valve; cleaned it with carb cleaner
> and tested it with 12v leads (valve appears to move). I re-installed the
> valve and the same thing happens.
> >>
> >> So, is it possible the spring is too weak and the valve is bad ... or
> is my problem likely to be elsewhere (i.e. idle control unit) and more
> expensive?
> >>
> >> What's the impact of running with the power to the idle control valve
> disconnected while I await a new one?
> >>
> >> Roy
> >>
>
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