Do I need an Air Flow Meter?

[Walter Sherwin]

The BARO sensor function should still be setup to comprehend the ambient
conditions an the entrance of the compressor.  More so for a positive
displacement compressor (roots or screw) than a centrifugal or turbo, but,
still important in terms of any upstream inlet restrictions.....

Walt.


>
> Brings up an interesting question.  For a Turbo'd engine using a MAP
sensor
> obviously the need for the Barometer goes away if the engine is always
under
> a slight amount of boost.  Perhaps the barometer sensor needs to be
> connected to the front of the throttle plate.  Perhaps that's why SAAB
went
> to a hot wire mass air flow sensor instead.
>


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