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Date: Sat, 22 Sep 2001 18:09:41 +0100
From: "Spencer" <spencer.suttonnopsamorld.com>
Subject: Re: 1990 Saab 9000. wheres the wastrod?


there is a rattling in the engine, i think its a tappet. that would of course restrict the APC function...if the knock sensor is in the DI casstte how could i disable it? <davehinznopsamcop.net> wrote in message news:3ba8ee71$0$18899$272ea4a1nopsam.execpc.com... > KeithG <noonenopsaml.com> pressed random keys until the following was produced: > > Definitely needs to be inspected and adjusted. Go to the www.saabnet.com faq > > on APC and boost for a good read in addition, the Townsend site has very > > good information as well. > > Well, I don't know if it *definately* needs to be adjusted, just yet. > Perhaps your APC is backing the boost off, and your turbo wastegate is > just doing what it's told. Woudln't hurt to poke around the engine > compartment to see if there's anything rattling - if there is, the knock > sensor will "hear" that and think it's knock, which backs the maximum > boost down, giving similar symptoms to what you describe. > > > http://216.78.172.244/turbo_folder/turbo_apc_docs.htm > > for a primer on Turbo and APC, this site which tells how to put an APC on a > > brick has a good write-up. > > http://www.users.qwest.net/~qed/volvoapc/index.html > > Great sites, thanks for the links. > > Dave Hinz > >

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