Replaced knock sensor, now car runs like crap!?!?

[humpnyomom@comcast.net (humpnyomom)]

The idle is bouncing all over the place and the car is stalling too. When it
actually stays in one spot for a second the idle is very lumpy and rough.

Justin
'86 Scirocco 16v 2.0L
----- Original Message -----
From: "Jonas K." <jkarlsso@metabolex.com>
To: "humpnyomom" <humpnyomom@comcast.net>; "scirocco list"
<scirocco-l@scirocco.org>
Sent: Thursday, April 04, 2002 8:12 PM
Subject: Re: Replaced knock sensor, now car runs like crap!?!?


> A better description of "crap" would help, all I can see is a description
of
> an idle problem. Does it hesitate, bog down, do the macarena, etc.?
>
> Try disconnecting the new knock sensor. If it returns to the way it was
> before, then try unbolting the new knock sensor and re-connect it to see
> what happens. If the problem persists with the new KS connected but not
> bolted to the block, then I'd venture to say that the new sensor is bad.
>
> If however the problem goes away with the KS connected but unbolted, then
> the new KS is picking up something that the old one did not.
>
> Say, what's your timing at. Anything more than 6-8deg advanced will cause
> pinging that the KS system will compensate for. But a trashed KS will not
do
> anything, get my drift....
>
> Anyway,
> Jonas
>
>
>
> On 4/4/02 4:20 PM, "humpnyomom" <humpnyomom@comcast.net> wrote:
>
> > My knock sensor was trashed, so I replaced it on my 16v Scirocco with
CIS-E.
> > Now my car runs like crap. I finally got the idle to settle down a
little by
> > playing with the idle screw, but the idle is very bumpy and still jumps
> > around some. What could this be from? Idle was pretty good before I
replaced
> > the knock sensor.
> >
> > Justin
> > '86 Scirocco 16v 2.0L
> >
> >
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