Date: Tue, 25 Dec 2001 23:02:42 GMT From: "Rami Meller" <rami.mellernopsamnet.fi> Subject: Re: APC-Problem: Pressure too high
I had similar problems in my (much older) 900 Turbo. Actually I made these problems my self by adjusting the turbo's vaste/overflow valve. I'm not sure if your car has the same system anymore. It was a simple bolt connected between turbo and this overflow valve. Shortening it increased the pressure and opposite. It's sealed if anyone hasn't touched it. It was a very easy way to get quite a bit more power but little dangerous... Rami "D.Anders" <D.Andersnopsamrmail.de> kirjoitti viestiss”:3C26FC3F.FBD8D6BAnopsamrmail.de... > I have a problem with my APC-system. It shows as follows: when "pushing > the pedal to the floor", the > APC-needle is wandering into the red range and finally the fuel-flow > seems to be interrupted > (performance is intermittent-or in other words: the engine is jerking). > The dealer did minor works with > no success, then the car came into the garage for the inspection > (110.000 km). The dealer couldnĄt > reproduce the fault but I could immediately after having driven the > engine hot. So they changed the > control unit (located in front of the glove-compartement). It seemed to > solve the problem during the > first day. The "jerking" happened only once during full throttle, the > APC-needle left in the yellow range > and my idle problems (rpm not stable, moving up and down until sometimes > the engine dies) didnĄt show > up anymore. After driving some 100 km on the road the problem is almost > as bad as before. > > 1. Is it possible to upgrade the control unit (as flashing a BIOS)? > 2. Does anyone has similar problems and / or know how to fix it? > > > Merry Christmas / Froehliche Weihnachten!!! > > > Dieter Anders > > > Saab R 900 ( equipement as 900 SE) > 1996 > 111.000 km > 2.0 turbo >
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