Date: Thu, 13 Jan 2005 10:36:31 PST From: mojavegnospamveg.iwvisp.com (Everett M. Greene) Subject: Re: Possibility of Saab closure
Dave Hinz <DaveHinznospamcop.net> writes: > On Thu, 13 Jan 2005 14:29:12 GMT, Tim <tbrooksnospamam.mindspring.com> wrote: > > I still can't figure out exactly what part you all are talking about-and I > > think i have read everything in this thread. > > could somebody help out a newbie? > > "DI Cassette" - the direct ignition module. Sits on the valve > cover, goes down to each of the spark plugs. Generates the high > voltage and performs complex measurement of combustion chamber > impedance and so on as part of the engine management system. This component is too new-fangled for those of us who own "adult" cars (mine will be old enough to drink and vote next year). It seems strange that what sounds like an electrical/electronic component should regularly fail. It would be interesting to know what the failure modes are. HV insulation failure? 10 cent resistor burns out?