IAT sensor ?

[Bruce Plecan]

IMHO, just as critical as Coolant temp for a Hipo daily driver (all year /
weather).   Even better is a MAT.   Also, depends some on if MAF or MAP
system.  Given enough resolution, the importance would vary
Bruce



> Does anyone have an opinion on how large a role the
> IAT sensor's output signals is in determining pulsewidth
> and timing in any stock efi system, specifically in WOT
> mode on a NA engine?
>  From the search's that I've done on this efi management,
> my understanding was its role would not be significant,
> with its most significant influence limited to one or two
> modes of operation (WOT not being one of them).  On
> the other hand, my search's on relocating the IAT and/or
> sending a false signal to the computer seem to indicate
> that timing can be affected by as much as 3 degrees
> and that the afr is also significantly altered.
> As always, any thoughts are most welcomed and
> appreciated.
> Bob

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