Ok, so I got mixed up on that bit of information. So why is it that a 1.9
ECU doesnt work with a 2.1? Maybe it would...

>From: "Mike Collum" <collum@verizon.net>
>To: "Mark Seifert" <theburnvictims@HOTMAIL.COM>
>Subject: Re:      Re: Actual Vanagon content!!
>Date: Mon, 26 Apr 2004 22:34:22 -0400
>
>The ECU for the 1.9 L wasserboxer (83 1/2 ~ 85) is different from the
>aircooled and different from the 2.1 L (86~91) and is mounted in the engine
>compartment.
>
>All 1.9 L ECUs are interchangeable and all 2.1 L ECUs are interchangable.
>
>Mike
>
>----- Original Message -----
>From: "Mark Seifert" <theburnvictims@HOTMAIL.COM>
>To: <vanagon@GERRY.VANAGON.COM>
>Sent: Monday, April 26, 2004 10:18 PM
>Subject: Re: Actual Vanagon content!!
>
>
> > I did some searching through the archives last night on this subject.
>There
> > was some guy who says he's done this, but he didn't elaborate much, so
>who
> > knows if he's just blowing smoke. Anyway, it looks like that knock
>sensor
>is
> > the only major difference between the Vanagon and Jetta systems. If you
> > could somehow trick the jetta computer, using the correct resistance of
>a
> > knock sensor that is not sensing any knocks, maybe it would work. There
>are
> > some other technical differences as well, so I'm sure it's not that
>simple.
> > I did confirm from someone else that the Vanagon ECU's are all the same
>from
> > I think 83 on, so you could replace the ECU in your 91 Vanagon with one
>from
> > an 86 Vanagon. They're all the same part#, but with different revisions
>(the
> > letter at the end) I guess VW just made a "better" version every year.
>If
> > anyone else has info on this please share. I'm really curious.
> >
> >
> > >From: "Tom Miller" <tmiller@vcmails.com>
> > >Reply-To: "Tom Miller" <tmiller@vcmails.com>
> > >To: "Mark Seifert" <theburnvictims@HOTMAIL.COM>
> > >Subject: Re:      Re: Actual Vanagon content!!
> > >Date: Mon, 26 Apr 2004 13:14:53 -0400
> > >
> > >I forgot about the knock sensor ingnition on the Jetta.  I guess if you
> > >swap
> > >the computer you might as well swap in the Jetta 1.8L engine as well!
> > >TEM
> > >----- Original Message -----
> > >From: "Mark Seifert" <theburnvictims@HOTMAIL.COM>
> > >To: <vanagon@GERRY.VANAGON.COM>
> > >Sent: Sunday, April 25, 2004 11:42 PM
> > >Subject: Re: Actual Vanagon content!!
> > >
> > >
> > > > That's a good idea, because the junkyards have plenty of Jettas, and
>an
> > >ECU
> > > > goes for about 30 bucks. I've thought about this before, but I'm
>still
> > >too
> > > > skeptical to actually try it. It looks like the connector that plugs
> > >into
> > > > the ECU is the same, but some of the pins are different. That's why
>I
> > >dont
> > > > think it would work, because although SOME of the controls and
>sensors
> > >are
> > > > the same, they may not go through the same pins on the connector.
>And,
> > >some
> > > > of the sensors may have different resistances, which could send
>false
> > > > signals, or some may not even be there at all.  For example, I think
>the
> > > > jetta has 2 coolant temp sensors. The Jetta ECU would look for that
> > >second
> > > > sensor, and not find it, and that would cause problems. That is
> > >considering
> > > > the engine would even start, which I doubt it would. If pin #7 is
>not
>a
> > > > ground on the Jetta ECU, then there's your answer. I guess the only
>way
> > >to
> > > > know for sure is to try it. I'm too scared.
> > > > -Mark
> > > >
> > > > >From: tmiller <tmiller@VCMAILS.COM>
> > > > >Reply-To: tmiller <tmiller@VCMAILS.COM>
> > > > >To: vanagon@GERRY.VANAGON.COM
> > > > >Subject: Actual Vanagon content!!
> > > > >Date: Sun, 25 Apr 2004 19:10:53 -0400
> > > > >
> > > > >Has anyone tried to use a Digifant ECU for the same year VW Golf or
> > > > >Jetta?  I was specifically curious about the use of an 89 1.8L
>Jetta
> > >ECU
> > > > >in an 89 Vanagon.  The controls are similar, the sensors are
>similar,
> > > > >has anyone tried this?
> > > > >TEMiller
> > > >
> > > > _________________________________________________________________
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> > >
> >
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