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Date: Sat, 22 Sep 2001 18:09:41 +0100
From: "Spencer" <>
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? <> wrote in message news:3ba8ee71$0$18899$ > KeithG <> pressed random keys until the following was produced: > > Definitely needs to be inspected and adjusted. Go to the 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. > > > > > for a primer on Turbo and APC, this site which tells how to put an APC on a > > brick has a good write-up. > > > > Great sites, thanks for the links. > > Dave Hinz > >

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