200q20v Digest, Vol 2, Issue 16

[Paul Luevano]

Sorry, where I I wrote ohms, I meant volts.

Paul Luevano wrote:
> 
> From: Bernie Benz <b.benz at charter.net>
> >
> > > From: Brett Dikeman <brett at cloud9.net>
> > >
> > >> Now, any suggestions on reducing HC's at idle?  I've been told that there
> > >> is a potentiometer in the MAF sensor that controls the idle mixture.
> > >> Anyone know about it and how to adjust it?
> > >
> > > No such beast.
> >
> > It exists on the NA cars, the 7A w Hatachi ECU, not on the Bosch Motronic
> > 3Bs.
> 
> Well, played around a little yesterday.  First installed the Hakka 1's I just
> picked up, and then played around trying to figure out my emissions a bit.  Did
> locate this little guy:
> 
> http://www.clarity.net/~paul/audi/temp/MAF/
> 
> But have no idea what it does.  Checked out the O2 sensor.  Hooked up, engine
> hot and running, signal would float between .3 and .7 ohms.  Unplugged it would
> hang out right around .03 ohms.  With the O2 sensor unplugged, would get a
> reading of .454 ohms from the computer.  That I can't figure out.
> 
> Also, watching the O2 sensor, turning that little pot on the MAF would have no
> effect on the reading, floated between .3 and .7.
> 
> <sigh>


-- 
____________________________________________________________________
Paul Luevano            |   AMA * MSF   |'99 CBR 600F4  (Racebike)
http://teamdaemon.com   | USM * CCS #898|'97 CBR 1100XX (Streetbike)      
Waltham, MA USA         |  NMA #116657  |'91 200TQ20V   (Winter)
_____"The purpose of man is to live, not to exist."-Jack London_____