faulty ECU pressure sensor?

Bernie Benz b.m.benz at prodigy.net
Sun Jun 2 16:45:46 EDT 2002

Did you just move to a higher altitude?  I think that you are too observant
and being too overly concerned.  Just drive the SOB!


> From: Bryan Foster <bfoster at bu.edu>
> Date: Sun, 2 Jun 2002 18:09:54 -0400 (EDT)
> To: 200q20v at audifans.com
> Subject: faulty ECU pressure sensor?
> Listers,
> I have recently noticed that my stock boost gauge will intermittently show
> 0.0 upon lift-off of the throttle and 0.2 at idle.  Prior to this it would
> always show 0.2 at lift-off and 0.4 at idle.  I also noticed that the
> reading upon turning the key to the 1st position has been 0.9 instead of
> its usual 1.0.  The only other piece to add is that my VDO boost
> gauge reads a constant 17 inHg at idle no matter if the stock gauge
> reads 0.4 or 0.2.  Could this be a faulty pressure sensor at the ECU?  I
> have not modified the ECU.  If this is the case, could this be fooling the
> computer and hurting anything?  Car runs great during these intermittent
> periods.  Is there something else that could be the problem, like the
> stock gauge?
> I will probably be modifying the ECU within a month or so.
> Thanks for your help,
> Bryan Foster
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