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'91 200q not reaching full boost
In message <firstname.lastname@example.org> C1J1Miller@aol.com writes:
> Can't seem to get to full boost (1.8) in my '91 200q (20v). The boost guage
> (in the
> computer) only reads 1.6, or occasionally 1.7.
a) You should read what the German microfiche says about the built-in boost
gauge! Beg, borrow or buy a test gauge and do the recommended test.
b) Standard advice - pull the turbo to intercooler hose at the intercooler
end and feel inside the intercooler. It's unlikely that you'll find
anything - but it's a cheap check to do and the downside potential of
missing fraying impellor blades is $$$$$.
> The hose running around the back of the engine (crankcase breather hose?) is
> soft; could this be causing the problem? It doesn't seem to be cracked, just
Pull the breather from the air mass sensor, plug both ends, and test drive the
> Also, when starting the car, it cranks for several seconds longer than
> expected before starting, and surges up and down one mark on the tachometer;
> is this normal?
Committee Member, UK Audi [ur-]quattro Owners Club