[Biturbos4] Speaking of MAF's

mike mcclurg rrrrraudi at yahoo.com
Mon May 23 13:55:12 EDT 2005

So the MAF was not a 2001.5 thing?

I guess I knew about the 1.7 bar meaning 1.7 times
atmospheric. I should have asked whether 0.7 is normal
for an unchipped car? I was on a flat road in Kansas.
Atmospheric was 960mm.


--- dap128 <dap128 at hotmail.com> wrote:
> Only the 2000 S4s had Bosch MAFs (at least in the
> US).  2001 and later all 
> had Hitachi MAFs.
> The stock pressure sensor reads in abolute bar so it
> reads the ~1 bar 
> atmospheric pressure plus your boost pressure.  That
> means your car is 
> running 0.7 bar of boost (assuming you are at sea
> level where atmospheric 
> pressure is approx. 1 bar).
> -Dave Pramanik

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