Turbo diagnostic - Saab 900 Bulletin Board - Saabnet.com


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Turbo diagnostic
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Posted by SwedishDynamicsInc [Email] (#2304) [Profile/Gallery] (more from SwedishDynamicsInc) on Sat, 18 May 2019 10:45:25 Share Post by Email
In Reply to: Turbo diagnostic, Buckztj [Profile/Gallery] , Thu, 16 May 2019 14:49:36
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Buck,

Thank you for posting at TSN!

Nearly all USA market SAAB 900 Turbo models prior to 1994 employ the APC(Electronic boost pressure control) which typically targets 11-12 psi charging pressures, dependent on the APC control unit and based on this system working optimally. This pressure should appear as the 9/10th yellow or very early red on the dashboard's Turbo/APC gauge when the engine sees full load(Under acceleration). The APC boost pressure should also drop to base boost pressure(7 PSI/mid yellow on APC gauge) when this system is not functioning properly or has been disconnected.

Thanks again for posting and we are now open Saturday until 6PM if there should be additional questions!

Sincerely,

Jay at SWEDISH DYNAMICS, INC.

http://WWW.SAABPerformanceParts.Com


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