3B Fuel Pressure Monitoring?
vegener at post7.tele.dk
Sat May 5 04:25:33 EDT 2007
Summit Racing have a lot of fuel gauges. I use this
one from Nordskog which I can watch from the cabin.
Stores max and min pressure too
----- Original Message -----
From: <urquattro at comcast.net>
To: <200q20v at audifans.com>
Sent: Saturday, May 05, 2007 1:35 AM
Subject: 3B Fuel Pressure Monitoring?
> Hi All,
> I'm running a modified 3B settup (bigger turbo, IA software, "modified by
> PO" stock FPR, uprated fuel pump), and I'm trying to track down an
> intermittent super-rich condition at idle that makes the car fail
> emissions for visible smoke (passes just fine on actual emissions).
> I want to see what my operating pressure range is, as well as monitor it
> at idle to see if for some reason it creeps up over time. My first guess
> is that the upgraded fuel pump moves more volume than the modified stock
> FPR can bypass at idle levels of consumption and pressure builds to the
> point that even at minimum pulsing the injectors are allowing too much
> fuel through.
> I've reviewed the Bentley procedure for this, and it seems a bit involved,
> not to mention I don't have any of the factory tools for fuel pressure
> Have any of you listers checked your own fuel pressure on a 3B, and if so,
> using what combination of (hopefully) affordable/attainable equipment? I
> don't currently own a fuel pressure gage, so I'm starting from scratch on
> this one.
> Thanks in advance,
> '85 urq w/3B
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