I disconnect the blue sensor. It runs poorly cold, but ok warm. The mileage
sucks, though. When the sensor is connected the car will buck. It will just
drop from 2500 rpm to 1000. When it catches again it almost breaks the front
motor mount. Also when I take my foot off the gas the car really drops as
though I was in first.
----- Original Message -----
From: "David Utley" <[email protected]>
To: "John Lagnese" <[email protected]>
Sent: Sunday, November 02, 2003 11:16 AM
Subject: RE: Oxygen sensor testing


> Is it possible that either that is faulty, or that the 5th injector is on
> constant when the thermo switch is on?    Wait a minute...  Are you
> disconnecting the thermo-time switch, the sensor in the water outlet?  And
> it continues to run?  If so, is it warm at this point, or not?  I am
> curious...
>
> David
>
> -----Original Message-----
> From: John Lagnese [mailto:[email protected]]
> Sent: Sunday, November 02, 2003 5:31 AM
> To: [email protected]
> Subject: Re: Oxygen sensor testing
>
> Actually it is running poorly, the engine drops rpms hard then catches
> again. The problem dissappears when the thermo switch is off.
> ----- Original Message -----
> From: "David Utley" <[email protected]>
> To: "John Lagnese" <[email protected]>
> Sent: Saturday, November 01, 2003 8:07 PM
> Subject: RE: Oxygen sensor testing
>
>
> > Yes...  Connect a VOM to it, and see if it changes in millivolts...  It
> > should change from one extreme to another, up and down once every second
> or
> > so...  Test it when the car is warm.  If it is slow, then the reaction
of
> > the OX is slow, and prolly should be changed, esp. if you are having a
> lumpy
> > idle...
> >
> > HTH
> >
> > David
> >
> > -----Original Message-----
> > From: [email protected]
> > [mailto:[email protected]]On Behalf Of John Lagnese
> > Sent: Saturday, November 01, 2003 11:41 PM
> > To: [email protected]; [email protected]
> > Subject: Oxygen sensor testing
> >
> > Is there a way to test an oxygen sensor? The Bentley says I need to
check
> > the CO to check it. I don't have a way to check this. Any other ways?
This
> > is my daily driver, a 92 Jetta GL 1.8 8V. Its got Digifant II.
> > Thanks,
> > John
> > _______________________________________________
> > Scirocco-l mailing list
> > [email protected]
> > http://neubayern.net/mailman/listinfo/scirocco-l
> >
>

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