code 2221 following R/Z mod

[Efraim]

Thanks, Orin. You were absolutely right, it was backwards. I reversed its
polarity and Bingo! no more yellow light and no more retardation.
Efraim
'88 5KCDTQ  320K km (199K mi) , 1.8 Bar
'90 90 99K km (61K mi)
Vancouver, Canada

----- Original Message -----
From: "Orin Eman" <orin at wolfenet.com>
To: "Efraim" <egav at wireless2000.com>
Cc: "quattro" <quattro at audifans.com>
Sent: September 19, 2000 12:19 AM
Subject: Re: code 2221 following R/Z mod


> >
> > "Manifold Pressure too low, too high, control difference.
> > Vacuum hose to ECU pressure sensor
> > Vacuum hose missing or leaking,
> > Check hose
> > Symptom: Loss of Power"
>
> Guess what the ECU uses to determine this.
> The pressure sensor.  What did you just do?
> You messed with the output of the pressure sensor.
>
> Perhaps the zener is backwards.
>
> Orin.
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