Date: Tue, 6 May 2003 22:11:35 GMT From: hohnopsamlid.invalid (Goran Larsson) Subject: Re: How is the MPG measured/estimated
In article <pp5gbv8tsa3heipjk91g8e83ik7qbt590tnopsamcom>, 'nuther Bob <nonenopsam.nom> wrote: > Me too, although I wish they made the individual coils replaceable > like > my Nissan's have. It only costs $75/cyl to do them and you can plug > and play to see which are bad. The earliest red DI cassettes did have replaceable coils, but that was soon changed to non-replaceable coils. However, I do not believe that the weak point in the DI cassette is the coils. It is much more likely that it is the electronics inside the cartridge that fries (400V generation, spark control, 80V generation, ionization sensing). The ignition system for Trionic 8 does not use a single DI cassette, instead four small cassettes (one for each spark plug) and one module mounted on the side of the engine (the Combustion Detection Module) are used. However, the combined cost of the four small cassettes are above the cost of one DI cassette. Trionic 8 is used on the new 2003 9-3 SportSedan. -- G–ran Larsson http://www.nospam.com/saab/
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