Date: Tue, 13 Feb 2001 18:50:32 -0800 From: "chrisnew" <chrisnewnopsamorld.com> Subject: Re: '93 9000 APC problem
Have a look at the W hose-the middle one from the APC valve-especially at its other end where it attaches to the turbo boost control valve. I would guess that the line has split or come off. This then prevents any boost control, giving your symptoms... Chris Brian Howerton <aeroscnopsam.com> wrote in message news:Tf2i6.253553$j6.35447123nopsam1.rdc1.va.home.com... > Saabers, > > I've got a '93 9000 CSE with a boost problem. On an intermittent basis, > the car gets into a mode where the boost is essentially unregulated by the > APC system with the gauge going fully into the red zone until the fuel > cutoff is activated. I'm familiar with the operation of the APC system and > most of the components having previously replaced the solenoid and other > components. I know that most of the failure modes of the APC system send the > turbo into 'basic boost' mode but was wondering what failures would cause a > behavior like this. Responses from someone with the appropriate manual would > be appreciated. > > Regards, > Brian > >
