Test Harness for Air/Fuel Ratio read while driving.

[rfkellner at snet.net (Rick Kellner)]

Thought you were referring to the O2 a/f sampling not the pressure
actuator current.  Sorry for the confusion.  Rick.
 
-----Original Message-----
From: Don Walter [mailto:dswalterwi@gmail.com] 
Sent: Monday, January 16, 2006 8:28 PM
To: Rick Kellner
Cc: Scirocco List
Subject: Re: Test Harness for Air/Fuel Ratio read while driving.
 
I know about those devices.  They measure voltage.  The output of the
test harness is in mA.  I was just wondering if anyone had ever thought
of trying this.
On 1/16/06, Rick Kellner <rfkellner@snet.net> wrote: 
Don, do a search on 'Stoichiometric' gauge or meter and you will come up
with a few gauges for monitoring a/f. 
Here is one:

http://www.gadgetseller.com/gauges/techinfo.htm

Rick.

-----Original Message-----
From: scirocco-l-bounces+rfkellner= <mailto:snet.net@scirocco.org>
snet.net@scirocco.org
[mailto:scirocco-l-bounces+rfkellner=snet.net@scirocco.org] On Behalf Of
Don Walter
Sent: Monday, January 16, 2006 12:55 PM 
To: Scirocco List
Subject: Test Harness for Air/Fuel Ratio read while driving.

I had a thought the other day when my son and I were trying to figure
out
why after his car starts to warm up it is losing power (sometimes).  We 
were
going to install the test harness again to check the A/F mA to see if
that
was still okay.  Then, I began to think maybe we could extend the wires
to
inside the car so that we could monitor it while he was driving then it 
could be checked while under load or other conditions.  Has any one ever
tried this?  Would it give any different results than just increasing
the
RPM's sitting in the driveway.

--
Don Walter - Waukesha, WI 
1984 8V Audi 4000s (lastest addition)
1986 2.0L 16V TEC 2 Black Scirocco (see progress at
http://www.cardomain.com/memberpage/708939)
1986 2L 16V Toronado Red Scirocco (Ben's Car) 
1988 1.8 16V Toronado Red Scirocco (sold on 3/29/04)
1984 1.8 8V Pewter Scirocco (sold years ago)
1971 Karman Ghia (sold)
1969 Karman Ghia (sold)
1969 Beetle (sold)
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-- 
Don Walter - Waukesha, WI
1984 8V Audi 4000s (lastest addition)
1986 2.0L 16V TEC 2 Black Scirocco (see progress at
http://www.cardomain.com/memberpage/708939)
1986 2L 16V Toronado Red Scirocco (Ben's Car)
1988 1.8 16V Toronado Red Scirocco (sold on 3/29/04)
1984 1.8 8V Pewter Scirocco (sold years ago)
1971 Karman Ghia (sold) 
1969 Karman Ghia (sold)
1969 Beetle (sold)