[200q20v] RE: Low Boost Problem

Calvin & Diana Craig calvinlc at earthlink.net
Thu Nov 22 10:19:00 EST 2001

	You just have a bad gauge...don't worry, about 50% of the digital gauges
out there are bad to some extent.  Yes, you are right, if you just turn the
ignition on without the engine on you should get atmospheric pressure, which
should read between 0.8 and 1.0 bar, depnding on where you live.
--Calvin Craig
Parker, CO
'92 S4
'91 200 TQ
'89 200 TQW
'72 Formula Firebird

> Dear Listers,
>     I'm sorry if It seems that i am beleaguring this topic, but I had a
> hypothesis about my car's reluctance to realize full boost (1.8 bar).
> 1.0 bar is normal atmospheric pressure, right?
> The highest reading my car will show is 1.5 bar.
> When the engine is off, the boost gauge reads 0.6 bar, signifigantly less
> than Atmospheric pressure, a vacuum.
> When the engine is not running, is it reasonable to say that it is not
> pulling any vacuum?
> if so, then...
> Would it make sense then to say that my boost gauge is calibrated  -.4 bar
> too low? or is this display of vacuum common on Audi 200q20v's?
> Thanks for your patience,
> Adam Chinchiolo
> 1991 200q20v (89k, Pearl White, grey sport seats, no mods....yet)
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