Date: Mon, 20 Oct 2003 11:42:39 GMT From: KeithG <noonenopsamhlink.net> Subject: Re: Direct Ignition Cassette
As Carl says, it is one coil per cylinder. This way, it can perform diagnostics per each combustion cycle and adjust accordingly. It senses knock through the plug! Very sophisticated. The life expectancy of a red unit 91 78 955 is about 100kmi. I do not know anything about the life expectancy of a black unit for the 9^5 cars. It may miss under load or at initial startup as an indicator or it may just die unannounced. A replacement is 300.00+. It is replaceable with the tools in the kit in the trunk in about 5 minutes for all 9k CS/CSE/Aero cars. The earlier unit (88-92?) requires a new pigtail to connect it to a harness. Do not be alarmed at the cost. It is actually pretty cheap when you factor in the cost of wires, caps and buttons over 100kmi that you will not need with this system. KeithG Malcolm wrote: > > Still being a little new to saab and their ways, what is this. Is it > what I know as the Direct Ignition Module that is atop my 2.3 litre > four? > > Can someone please assist me explaining what this is? Is it the same? > I seem to be seeing a number of Dead Casettes in the group. And > edactly what does "direct ignition" do for an engine? > > Malcolm
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