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Re: Injector Duty cycle calculations



Very cool.

Tim


At Thu, 10 Aug 2000 23:06:36 -0400, Scott Knight <scott@scottknight.com> 
wrote:

>
>To revisit a very old topic here, I did a little experimenting with
>Diacom recently and did in fact verify what I mentioned as second hand
>info here...
>
>> Am I missing something here?  Is Diacom reporting wrongly?
>
>Actually it is.  I did a steady state run while out on the Ohio turnpike
>with the 95 Impala SS (can't vouch for any other PCM/ECM readings) and
>Diacom version 2.85 where it was very flat and the cruise control was
>set at 75 mph.  What I found was very interesting in that Diacom truly
>does report the pulse width at half of what the other scanners I have 
>do
>(PCMcomm from Dave H. and TTS DataMaster).  Just though you would like
>to know since it seemed to be news to everyone but me at the time.
>Anyone else notice this with other vehicles or is it something specific
>to the way Diacom scales the info out of the 8051 and newer PCMs? (yeah,
>I realize that Diacom reads the OBD-II PCM in 'legacy' mode)
>
>Later dates.
>--
>Scott Knight  mailto:scott@scottknight.com
>http://www.scottknight.com/ IRC:SS396man
>'00 White Grand Prix GTP
>'95 Black Impala SS
>'94 Ducati 900SS CR
>
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