More silly ideas

[Pat Ford]

Previously, you (Bruce Plecan) wrote:
> Cause, I don't agree with theory on some items.
> Just the name MAP,  Manifold Absolute Pressure would imply that baro is
> accounded for.  

nope absolute is not refferenced to ambient, gauge is
( check www.omega.com) BUT gm could always be mis-using instrumentation
terminology

>Trouble is, not the way I see it.  All too often under very
> different situations, I would get a 97 K/Pa WOT reading which really
> shouldn't have happened.  Hence, my want for isolating the two.

didn't one N. American car maker have a valve that switched the map sensor
with an external solenoid valve??

> Grumpy
> 
> | The more I think about it if your going to goto all of the trouble of
> | reworking the tables and such how about just changing to a guage type
> | sensor that would have one sensor that would correct for baro anyway.
> |
> | Bruce Plecan wrote:
> | >
> | > What if someone wanted to use a straight full time baro correction (for
> a
> | > MAP system)?.   Could it be done as simply as using a 1bar MAP
> referenced to
> | > atmosphere, and then the output from that one used as the reference
> voltage
> | > to a second MAP that is referenced to the engine vacuum.
> | >    Then carrying this further how about as a correction for 2+3 bar
> MAPs?.
> | > All of the above would be require deleting the baro calc from the prom,
> and
> | > recalibrating the Tables, that are VE related.
> | > Bruce
> |
> 

--
Pat Ford                           email: pford at qnx.com
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