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Date: Wed, 19 Jan 2005 14:17:45 +0100
From: "Marcel Baum" <bbmenospamat>
Subject: Re: Traction control


"The Malt Hound" EL-dnYwupItO2XDcRVn-ownospamphia.com... > > What you are describing is called "limp home" mode. The TCS light flashes > and the Throttle switches from fly-by-wire to a mechanical connection that > no longer idles well. UNfortunately, I have seen this all too often on bith > my '92 and '93 9000. Has`nt this car got a separate warning light for a failure in the engine management? Is it unlikely that a faulty throttle motor can cause this sort of troubles? > The ECU will go into this mode (limp home) with any type of serious fault. > The last time I had it, the cause turned out to be a bad spark plug. The > mis-firing was detected. I've also seen it caused by a vacuum hose that got > blown off and a bad MAP sensor. It is not at all likely that the ECU is the > problem, but something else. Now comes the fun part. You can try to get > the codes from your car's ECU. > > http://www.troublecodes.net/Saab/ THX , sounds rather complex. I guess I will rather connect a storage scope to the lamp instead of counting the beeps and their patterns. > > This may be helpful. If not, you will probably have to bring it to a SAAB > dealer for code retrieval as the tech2 scan tool is very expensive and is > not likely to be found anywhere but the stealership. Even our local SAAB > indy specialists don't have the ones for these cars. Our RAC equivalent should have a general test tool that fits most of the actual cars. How ever my 92 Saab may be to old to meet this standard protocol.

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