Date: Tue, 13 Feb 2001 18:23:44 -0000 From: "SimonJ" <menopsam.com> Subject: Re: '93 9000 APC problem
"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 > Sounds like something is sticking, either the APC solenoid, or the wastegate itself. Possibly a leak in the pipes that control the wastegate.
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