[20v] 20v Digest, Vol 28, Issue 1

Todd Phenneger tquattroguy at yahoo.com
Mon Nov 3 09:23:38 PST 2008


Only the later 7a's work with VAG-COM.  The early 7a does not work and you must use the LED tester outlined on 20v.org.

I have a 91' CQ that does work with VAG-COM.  Works OK, VERY Simplistic compared to the newer OBD-2 cars but you can get fault codes, clear them, do the output tests, and you can get realtime graphing of Throttle Position, RPM, Engine Load, CO Mixture, etc.

If you have a laptop, then I think its worth the $100 = $50 in connectors to use it.



--- On Sat, 11/1/08, Brent Henry <thehenrys at sympatico.ca> wrote:

> From: Brent Henry <thehenrys at sympatico.ca>
> Subject: Re: [20v] 20v Digest, Vol 28, Issue 1
> To: 20v at audifans.com
> Date: Saturday, November 1, 2008, 8:46 PM
> Hi Brian,
> 
> Yes, the VAG-COM does read diagnostics from the CQ... and
> you will need the 
> 2x2 connector/adapter.
> 
> Thanks,
> Brent.
> 
> ----- Original Message ----- 
> From: <20v-request at audifans.com>
> To: <20v at audifans.com>
> Sent: Saturday, November 01, 2008 3:00 PM
> Subject: 20v Digest, Vol 28, Issue 1
> 
> 
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> > Today's Topics:
> >
> >   1. Diagnostic Tools for the 20V 7A Engine (Brian
> Pleet)
> >
> >
> >
> ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Sat, 01 Nov 2008 10:38:41 -0600
> > From: Brian Pleet <bpleet at telusplanet.net>
> > Subject: [20v] Diagnostic Tools for the 20V 7A Engine
> > To: 20v at audifans.com
> > Message-ID:
> >
> <19740419005016.78342922343FFFEC at priv-edtnaa07.telusplanet.net>
> > Content-Type: text/plain;
> charset="us-ascii"; format=flowed
> >
> > My better half offered to buy a diagnostic tool as
> appreciation for
> > keeping her 1990 90 20v on the road.
> >
> > Two options I found are Versatile Automotive
> Diagnostics (VAD) and
> > Ross-Tech. Neither show the 20V engine on their
> compatibility lists.
> > Ross-Tech said only 20V turbos from 1990 would work,
> and VAD was
> > unsure and non-committal. I've found two plug-ins
> under the carpet on
> > the driver side.
> >
> > Does anyone have experience using a diagnostic tool
> with this engine?
> >
> >
> >
> >
> > ----------
> > E-mail:bpleet at telusplanet.net
> > Tel:    (403) 286-0069
> >
> >
> >
> > ------------------------------
> >
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> >
> > End of 20v Digest, Vol 28, Issue 1
> > **********************************
> > 
> 
> 
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