got a link for us to this pressure switch replacement for the throttle
position switch?

-Ry
http://www.google.com/profiles/rylincoln

On Fri, Jul 9, 2010 at 2:23 AM, Scott Daniel - Turbovans <
scottdaniel@turbovans.com> wrote:

> re
>
> Is it just a matter of adjusting the
> throttle valve?
>
> no, you adjust the throttle switch.
> On a 2.1 it can be tricky, and sometimes they're stuck in one position, and
> sometimes they're just corroded and won't move, and sometimes they'll move
> and adjust but won't reach correct adjustment.
>
> it takes a small allen wrench ..
> it's loosen a clamp screw, turn an excentric, down in there.
>
> I just discovered a device that totally transcends this mechanical switch
> ..
> and that is a dodgey system after years and millions of miles..
> the throttle bodies do wear, plus what I mentioned about the switch above.
>
> there is an electronic replacement. I'l lbe installing one by the end of
> july ..
> it's a pressure sensor that signals the ecu when idle and WOT are happening
> ..
> and it does it by sensing air pressure, NOT by mechanical position of
> something ..
> should be 300 % more accurate and consistent, at least.
>
>
> Scott
> www.turbovans.com
>
> ----- Original Message -----
> From: "Mark" <mbrush@GMAIL.COM>
> To: <vanagon@GERRY.VANAGON.COM>
> Sent: Thursday, July 08, 2010 6:02 PM
> Subject: Re: engine revving at idle
>
>
>  Thanks for all the suggestions - not sure, but I think I found a problem
>> with my throttle valve switch.  I followed the test on page 24.59 of the
>> Bentley "Throttle valve switch, checking and adjusting."
>>
>> I get continuity when I start the test, at idle.  Continuity breaks when I
>> open the throttle (continuity good at full throttle), but then when I do
>> as
>> the manual says and "close [the throttle] slowly" - I get no continuity at
>> idle again.  I can only get continuity again when I open throttle and let
>> it
>> snap back into place.
>>
>> Seems to explain my symptoms since it says "warm engine will have NO fuel
>> deceleration shut-off or DLS function at idle" if gap is too small....
>>
>> but I can't get any continuity when I "slowly" bring back into place
>>
>> So what now?  How do I fix this?  Is it just a matter of adjusting the
>> throttle valve?  Why does it get continuity when it snaps back into place,
>> but not when I slowly bring it back?
>>
>> On Wed, Jul 7, 2010 at 11:36 PM, Mark <mbrush@gmail.com> wrote:
>>
>>  Has anyone had this problem?  After my engine reaches operating temp and
>>> is
>>> in stop and go traffic, it doesn't fall back down to idle after I
>>> accelerate
>>> to move forward in traffic.  It just stays revved at 3,000 rpm or
>>> thereabouts.  Not fun when stuck in traffic.  I'm thinking it has
>>> something
>>> to do with the spring on the throttle (maybe needs to be cleaned or
>>> greased?).   I haven't worked on this part of the van yet, so I'm not
>>> familiar with how the accelerator cable hooks up and works in the engine
>>> compartment.
>>>
>>> Thanks for any insights!
>>>
>>> Mark
>>>
>>> --
>>> Mark
>>> 1990 Westy (2.1 - manual)
>>>
>>>
>>
>>
>> --
>> Mark
>> 1990 Westy (2.1 - manual)
>>
>