More silly ideas

[Bruce Plecan]

Yep, in theory.  But, when you have Air Densities of 96% to 101% and the
scanner shows the engine is at 98 K/Pa under both sets of conditions then
there is a fly in the ointment.   Weither do to filtering,  the design of
the sensor, or pulsation characteriestics, that the sensor is reading
something is wrong.  Without an emission lab to do the research something
needs done to compensate for it.   "My" baro/map idea isn't perfect, but
it's a whole lot better than, being in error all the time, IMHO.....
Grumpy


| When you consider what the engine is doing, MAP makes a lot of sense since
| what matters is the cylinder filling pressure which is maximum when MAP is
| max. Secondly referncing to zero makes sense since the atmospheric
pressure
| is liable to vary all over the MAP and you do not want the same WOT
setting
| in Denver as in Miami. The zero reference point OTOH is the same no matter
| where you are. Besides the engine does not care what the outside pressure
| is, just what is in the manifold.
|       A. Padgett Peterson, P.E. Cybernetic Psychophysicist