Re: Direct Ignition Cassette Failure - Saab 9-5 Bulletin Board - Saabnet.com
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Re: Direct Ignition Cassette Failure
Posted by dtech [Email] (more from dtech) on Thu, 19 Dec 2002 07:37:02
In Reply to: Direct Ignition Cassette Failure, Steve Colman, Thu, 19 Dec 2002 00:42:30
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A few answers:
- Type of technology used in DI is unique to Saab and consists of sensistive electronic circuitry. Given that complexity and the heat of engine compartment, there are multiple failure points within the DI. And many of the failures will give no advance warning, as they are likely due to the expiration of a solid state component.
- Whether this failure is "common" is kinda of a matter of draw your own conclusions , as we have no statistical data comparing the failure rate of the Saab DI to other modern auto ignition systems. IMO the type of technology used in the Saab DI along with numerous failure postings on this board raises some very legitimate reliability concerns. As you may have concluded, I'm a victim of DI failure, and was extremely agitated by the occurence, as well as disappointed with Saab over this.
- If you want to delve more deeply into the design particulars of the DI, do a web search on "capacitive discharge ignition systems", and you should be able to find additional info, including representative schematics.
Happy Holidays,
DR. DI
posted by 198.81.26...
Posts in this Thread:
- Direct Ignition Cassette Failure, Steve Colman, Thu, 19 Dec 2002 00:42:30
- Re: Direct Ignition Cassette Failure, Chris Scott, Thu, 19 Dec 2002 10:58:13
- If heat is a culprit...., Noel, Thu, 19 Dec 2002 09:34:51
- This is a bit of a puzzle to me....Saab has used DI..., TKC, Thu, 19 Dec 2002 09:12:51
- Re: Direct Ignition Cassette Failure, dtech, Thu, 19 Dec 2002 07:37:02 <-- Viewing This Message
- yes..., Scott Paterson
, Thu, 19 Dec 2002 03:06:35 - Are you sure it was DI?, J, Thu, 19 Dec 2002 01:10:09
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