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Date: Sun, 31 Oct 2004 23:24:20 +0100
From: "Henrik B." <>
Subject: Re: 9000CS Low boost turbo...more

"Johannes H Andersen" <> skrev i en meddelelse >> trionic doers not have a knock sensor. Knock is sensed through the DI >> cassette. Base boost can be caused by a bad DI cassette, but consistent >> base boost is most probably mechanical or the BPC valve. > > The spark plugs are used for measuring the pre ignition conditions in > the cylinders. An ionization current over the plugs is analyzed by the > ECU and used for optimal timing and other engine parameters. something > like that... Depends on which MY we're talking about. The 1991 and 1992 CS does have DI but no Trionic, so it has a knocking-sensor. Not until MY '93 is the CS fitted with Trionic. Cheers!

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