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Date:         Thu, 18 Jan 2001 04:34:57 -0500
Reply-To:     John <johnpatt@WARWICK.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         John <johnpatt@WARWICK.NET>
Organization: PattonSystems International
Subject:      Idle stablilizer system testing
Comments: To: walter bahm <wbahm@yahoo.com>
Content-Type: text/plain; charset=us-ascii

walter bahm wrote: > > john: > > since the listserver is now automatically stripping > off attachments i wanted to ask you if you could > forward me directly the attachment (ECU pin values) > you are referring to in you post. > > thanks, > walter > --- John <johnpatt@WARWICK.NET> wrote: > > Hi Chris, > > > > From your discription it sounds like the idle > > stabilization system is > > reacting to a varying input or the control module is > > just faulty. If you > > haven't already done so remove the R/R tail light > > and pull the idle > > stabilization module from it's mounting and pull it > > out far enough to > > check each pin value against the attached sheet of > > test values with a > > voltmeter. Check the top of the module or the > > multiplug for pin # I.D. > > If any input value varys it can cause the module to > > cycle the stabilizer > > valve and upset the idle speed causing your symptom. > > Also make certain > > there are NO intake air leaks and that the O2 sensor > > is functional and > > fuel pressure is OK. > > > > Regards, John > > __________________________________________________ > Do You Yahoo!? > Get email at your own domain with Yahoo! Mail. > http://personal.mail.yahoo.com/

Hi Walter:

The idle stabilizer system can be checked easily when you know the nominal test values. The attachment lists values taken from two known "healthy" '86 Syncros with normal 2.1L engines. If you need a procedure for using these values I can put one together but I'll need some time.

Regards, John


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