Date: Sun, 4 May 2014 22:25:38 -0600
Reply-To: OlRivrRat <OlRivrRat@COMCAST.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: OlRivrRat <OlRivrRat@COMCAST.NET>
Subject: Re: Are all 2.1 engines digifant?
In-Reply-To: <1399238213.26744674@apps.rackspace.com>
Content-Type: text/plain; charset=us-ascii
Could you please provide the link to where you DownLoaded the 1000+Page Bentley from ~ I have a PrintedBentley
but would also like to have a DigtalBentley ~
ORR ~ DeanB
On 4 May , 2014, at 3:16 PM, Mike Holm Toronto wrote:
>
> I just downloaded the 1000+ page Bentley shop manual so i will look it up, thanks. This is an involved process so it will have to be done when I have more time, perhaps tomorrow. The idle is roughly 1900 and doesn't move more than 5-600rpm when warm so I will try and see what happens.
>
> Thanks
> Mike
>
> -----Original Message-----
> From: "David Beierl" <dbeierl@attglobal.net>
> Sent: Sunday, May 4, 2014 14:16
> To: mike@BOSSSOLAR.COM
> Cc: vanagon@GERRY.VANAGON.COM
> Subject: Re: Are all 2.1 engines digifant?
>
>
>
> At 01:51 PM 5/4/2014, Mike Holm Toronto wrote:
>> Cool. I'm still working out the possible reasons for my idle sitting
>> at 2000rpm. I cleaned the Idle valve (which has been unplugged and
>> taped up by previous owner) to no avail. Another one is being posted
>> as we speak but if the problem is in the module, it would be good to
>> know and figure out how to fix it. The modules are a bit costly so i
>> hope it is not that.
>
> --> The idle valve can only raise the idle, never lower it.
>
> You have to set the base idle down to the specified idle speed using
> the big plug in the side of the throttle body. Engine should be
> fully up to temp including oil; electrical consumers and radiator fan
> not running, vapor canister purge line pinched off, oil breather hose
> removed and plugged, idle valve unplugged, oxygen sensor
> disconnected with ignition off to reset the ECU memory. The complete
> setup and procedure begins on Bentley 24.50. If you haven't got
> Bentley let me know and I'll photograph the pages for you.
>
> If the throttle body is worn (and of course if there are vacuum
> leaks) you may not be able to set the idle down to spec using the
> plug. The right answer is to replace the throttle body, but you can
> get a bit more range out of the plug by soft-soldering a shim onto
> the end of it.
>
> If the throttle cable (or rod on auto-trans) is too tight the
> throttle plate may not be reaching the idle stop.
>
> If the throttle switch isn't closing at idle the idle will never
> settle down below 1,000 rpm the way it's supposed to; but it will
> only be slightly above 1,000 and a bit wavery**, not up by 2,000.
>
> **on my '89 with any of several different ECUs but the same idle
> control module, anyway.
>
> Yrs,
> David
>
>