Not sure if this was already answered
Afm is air flow meter, and probably also known as mass air flow
meter...I think
Pcv is the positive crankcase ventalation valve, it is on the passenger
side of the US Legacies, just on the side of the throttle assembly/plate
************************************
Josh Colombo
jcc189@psu.edu
"Life, an ever-changing melody
of beats and rhythm" - ME
************************************
-----Original Message-----
From:
rob440@hotmail.com [mailto:
rob440@hotmail.com]
Sent: Wednesday, August 29, 2001 3:51 PM
To:
BC-BFLegacyWorks@yahoogroups.com
Subject: [BC-BFLegacyWorks] Re: Help Slow Tegacy Turbo
thanks guys 4 all your help
nice to find a group dedicated to legacy,s and not all impreza sorry
but im new to legacys .Whats a afm . and a pcv valve . i take
it bov means = blow off valve
/dump valve . i think i checked that coulden blow through it and it
dident seem to leak n, diafram seemed ok
going to get myself a boost gauge to start with and take it from
there
thanks for all your help
ROB
> >
> > -----Original Message-----
> > From: Miki [mailto:awdturbodude@y...]
> > Sent: Wednesday, August 29, 2001 22 AM
> > To: BC-BFLegacyWorks@y...
> > Subject: [BC-BFLegacyWorks] Re: Help Slow Tegacy Turbo
> >
> >
> > Welcome to the gang (Rob?) !
> >
> > In my opinion, the VERY first thing you should do, is to
install a
> > boost gauge, that is considered a must on these cars (I'm
assuming
> > you don't have one since you're not mentioning any boost
figures).
> >
> > Then, if you notice that there really isn't enough boost all the
> > time, try with a MBC as Dave suggested, they aren't that
expensive
> > and as he also said, they work a lot better than the stock one.
If
> > the problem with low boost still remains after that, I'd guess
your
> > BOV is leaking, get a new one, they aren't that expensive
either, and
> > very easy to replace.
> >
> > If there, however, is enough boost all the time, but the car
still
> > refuses to accelerate, I'd bet it's the same thing I had a year
ago,
> > i.e the damn AFM is broken. I broke mine when I put too much
oil on a
> > drop-in performance filter... The AFM is quite expensive, so you
> > wanna be sure it's broken before you get a new one. Just
yesterday I
> > heard of a guy who had cleaned his AFM with some kinda "brake-
cleaner
> > spray", and got it working !!! I can't recommend it to anyone,
> > haven't tried it on my broken one yet either, but I sure will.
> >
> > So, the thing you maybe should start with is the boost gauge,
then
> > perhaps remove the AFM and check if it looks dirty.
> >
> > Good luck !
> >
> > * Miki *
> >
> >
> >
> > --- In BC-BFLegacyWorks@y..., rob440@h... wrote:
> > > I have a 93 uk spec 20L legacy turbo
> > > ive only had it a month and was well impressed with the
> > > performance , But it now seems to have lost all boost
presure ,
> > > Everu now and then it seems to mend itself and go ok for a
while
> > > and some times it seems to surge , but moastly it just feels
flat .
> > > Ive checked all visible hoses for splits , cleaned out the
> > > waistgate solenoid . i can move the waistgate and it springs
back
> > > ok Sometimes i can here the turbo spin up , sometimes i cant
> > > any ideas please
> > > thanks
> >
> >
> >
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> >
> >
> >
> >
> >
> >
> >
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> >
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>
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