Date: Wed, 16 Jun 2004 10:34:48 -0400 From: "Fred W." <Fred.Willsnospampam myrealbox.com> Subject: Re: Boost problem once again ...
"Zon" <johnnospamy-to-group.please> wrote in message news:1087330323.209551nospam.vaisala.com... > Ok, I'm sure my boost problem is temperature related ( It is '99 9-3 FPT, > trionic 5). When engine becomes hot I loose boost. Instead of reaching > border between yellow/red zones, boost gauge gets just one quarter on yellow > side, mid-yellow at maximum, and you definitely feel the difference :( > This happens faster in hot days. And it happens always if you drive the car > hot. > > I have found that when I lack boost, disconnecting hose that goes from > BPC-valve to waste gate cures the problem and I get all the boost back, and > more. Gauge jumps on red zone!. This makes me think it is not a vacuum leak > or turbo problem, but either BPC-valve or boost control (or one of the > sensors) must be faulty. > > I thought I could buy BPC-valve and see if it cures the problem. However, > that is almost $300 at dealer and $200 at eeuroparts. Too much for me, if it > does not cure the problem. > > I went to dealer and they said they probably could diagonose the problem in > about an hour, which equals to one hundred dollars. > > Now I do not know what might be the wise thing to do. Should I hand $100 for > dealer and know for sure, or spend $200 at www.eeuroparts.com and try new > BPC-valve. > > How likely is it that BPC-valve is broken? Does that happen often? My car > has now 73kmiles on clock. I seem to recall that SAAB might have used a boost limit when the AC is on. Have you tried the car with and without the AC running on thos hot days? -Fred W
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