[Shotimes] Bad Knock Sensor?

Tony Fratzke shotimes@holybuckets.com
Wed, 10 Dec 2003 10:27:29 -0600


I have done this test in the past with success, but's it's been over a year
and i couldn't remeber if the order mattered.   Thanks for your input!

Tony
----- Original Message -----
From: "Carl Prochilo" <gr8sho@prochilo.myserver.org>
To: "Tony Fratzke" <shotimes@holybuckets.com>
Cc: "Steve Weinrich" <stevwein@swbell.net>; "SHOTiimes"
<shotimes@autox.team.net>
Sent: Wednesday, December 10, 2003 9:26 AM
Subject: Re: [Shotimes] Bad Knock Sensor?


> Tony,  I think that people get intimidated by doing this test for some
> reason.  When I set out to do it the first time, it took me several
> attempts to get the sequence of tasks correctly even though the procedure
> was quite explicit.  The one issue that the SHOTIMES FAQ had, and I
> provided comments on it, was that the throttle blip needed to be in excess
> of 4K RPMs.  My guess about the overdrive on/off is that it is the last
> item in the sequence since it was probably easiest when writing the
> diagnostic program to just piggyback on top of the MTX test.  So my belief
> is that the sequence of tasks does matter.
> --
> Cheers,
> Carl Prochilo
> 1992 Ultra Red Crimson
>
> Tony Fratzke said:
> > At the very end i also got a 538 Operator error (dynamic response /
> > cylinder
> > balance tests) when trying to run the cylinder balance test, but i
assumed
> > taht was because i didn't give it enough gas. Since it's an ATX, does it
> > matter when i turn on and off the overdrive?  i usually do that first,
> > turn
> > the wheel each way, tap the brake, and then hit the gas. Sound like i'm
> > doing it right?
> >
> > Thanks again!
> >
> > Tony
> > 93 ATX
> >
> > ----- Original Message -----
> > From: "Steve Weinrich" <stevwein@swbell.net>
> > To: "SHOTiimes" <shotimes@autox.team.net>
> > Sent: Wednesday, December 10, 2003 5:30 AM
> > Subject: Re: [Shotimes] Bad Knock Sensor?
> >
> >
> >> KS won't cause a high idle.
> >>
> >> High idle is usually caused by a bad IAC, a partially stuck open
> >> throttle
> >> plate, or a malfunctioning TPS>  The IAC is the most common.
> >>
> >> The KS code usually is caused by not hitting the throttle hard enough
> > during
> >> the goose test.
> >>
> >> If you are not experiencing knocking or pinging while driving,
> >> especially
> >> under load, the KS is probably working fine.
> >>
> >> Steve
> >>
> >> ----- Original Message -----
> >> From: "Tony Fratzke" <shotimes@holybuckets.com>
> >> To: "SHOTiimes" <shotimes@autox.team.net>
> >> Sent: Tuesday, December 09, 2003 11:09 PM
> >> Subject: [Shotimes] Bad Knock Sensor?
> >>
> >>
> >> > Haven't posted in a while guys, guess i've been out of the loop.
> > Anyways,
> >> > refresh your memories, i've got a 93 ATX.  Started getting CE lights
> >> and
> >> high
> >> > idle so decided to pull codes.  I got 225 - Knock sensor (KS) not
> >> sensed
> >> > during dynamic response test.  Bad knock sensor? How's the
replacement
> > of
> >> this
> >> > thing if so? It sucks doesn't it?  Could this be related to my high
> >> idle
> >> > problems?  Any info is greatly appreciated.  You guys have helped me
> >> countless
> >> > times and i am very thankful for your help!
> >> >
> >> > Tony
> >> > 93 ATX
> >> >
> >> >
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