More silly ideas-MAP

[TK]

My old 84 Ciera ES had both a MAP and BARO (under the dash). I always
thought it was for getting altitude.


-----Original Message-----
From: JTesta1966 at aol.com <JTesta1966 at aol.com>
To: gmecm at efi332.eng.ohio-state.edu <gmecm at efi332.eng.ohio-state.edu>
Date: Friday, June 04, 1999 6:34 AM
Subject: Re: More silly ideas-MAP


>In a message dated 6/4/99 1:02:10 AM Eastern Daylight Time,
>tystorm at email.msn.com writes:
>
><< >max. Secondly referencing 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
>>
>
>This may be a stupid question, but I KNOW Fords do this (I went for ford
>training YEARS ago), doesnt the ECM look at MAP KOEO prior to starting to
get
>a baro reading? And the compensate off that? Are you trying to have
something
>constantly adjust for atmospheric changes??
>
>Jim
>