RF Ping

thergen at svn.net thergen at svn.net
Thu Aug 26 18:44:33 GMT 1999


The RFI likely has many harmonics one of which may be near the knock
frequency (or one of the two frequencies in some cases) and the knock
sensor could be falsely triggered.  The filters aren't perfect either.

Tom

On Thu, 26 Aug 1999, David Cooley wrote:

> At 06:31 AM 8/26/1999 -0800, you wrote:
> 
> >The RF noise getting into the knock sensor wire:
> >
> >Would that cause a knock?
> >
> >or
> >
> >Would that cause only a false indication of knock?
> >
> >OR
> >
> >Would it keep the ESC from detecting a knock?
> >   There by not letting the computer do minor adjustments as you approach 
> > WOT eventually getting code 43.???
> 
> since the ESC filters out everything except the specific frequency of 
> signal it wants, unless the RFI was at the knock frequency, it would either 
> do nothing, or maybe reduce sensitivity.
> ===========================================================
> David Cooley N5XMT Internet: N5XMT at bellsouth.net
> Packet: N5XMT at KQ4LO.#INT.NC.USA.NA T.A.P.R. Member #7068
> We are Borg... Prepare to be assimilated!
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> 




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