Date:         Mon, 17 Apr 2006 16:37:03 -0500
Reply-To:     John Rodgers <inua@CHARTER.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         John Rodgers <inua@CHARTER.NET>
Subject:      Re: 2.1 Engine idles at 2600 rpm; 2nd computer doesn't fix
Comments: To: greentabe-vanagon@yahoo.com
In-Reply-To:  <20060417053748.89155.qmail@web38902.mail.mud.yahoo.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

By "idle computer" you mean........?

Slugs are traveling faster than my brain is running today....

John Rodgers
88 GZL Driver

Tabe Johnson wrote:
> To recap:  Both my engine and that of Larry Himli (both 2.1s)
> idle around 2400-3000 rpm.  In my case, it used to be that it
> would just do that till it got warm, then it would idle properly,
> and sometimes pop up to idle at 2400-3000 rpm.  Now it does
> it all the time.  I swapped out the idle computer.  No change.
> My temporary  fix: Unplug the idle air bypass solenoid.  Engine
> runs great otherwise.
>
>
> Larry's AC thing is interesting -- it says that the idle computer
> is at least trying...  I'm still wondering about the
> computer.  There was a post a few years back about fixing damaged
> computers by replacing a one transistor that always blew.
>
> The inputs and outputs are pretty simple.  I went through this
> too, and heres what I came up with:
>
> IDLE COMPUTER INPUTS:
> Idle Switch
> PS Switch
> AC Switch
> Hall Generator
> Temp sensor 2
> Power from relay
>
> IDLE COMPUTER OUTPUTS:
> Idle air bypass
>
> Ideas?  Anyone?  Beuller?
>
>
>
> tabe johnson / 87 westy
>
> --- Larry Himli <lhimli@msn.com> wrote:
>
>
>> Bummer, I was so sure the relay would fix it....but no luck.  It still revs
>> up to about 2K and at least it oscillates back and forth.  I turned on the
>> air conditioning and it really revved up.  So now we have to try something
>> else.  Have you studied the wiring diagram?  I will try to look it over and
>> see what might feed the relay, etc.  At least it isn't raining
>>
>
>