MAF meters and open-loop.

[Gary Derian]

Have you saturated the meter?

Gary Derian <gderian at cybergate.net>

<snip>


>This spot seems to be about where I expect the WOT switch would 
>kick in and switch the computer to open-loop mode.  Why would it
>go so lean though?  I can understand the computer compensating for
>the boost through monitoring the O2 sensor, but why would open-
>loop mode screw up?  The MAF meter is still measuring the air 
>coming in so it seems the mixture in open-loop should still be 
>pretty accurate.
>
>Does an MAF meter not measure accurately in turbocharged 
>applications?  The meter is upstream of the turbo BTW.
>
>
>thanks
>--Dan
>houlster at bigfoot.com
>http://www.inficad.com/~houlster