Re: DI failure risk: 2003? - Saab 9-5 Bulletin Board - Saabnet.com
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Re: DI failure risk: 2003?
Posted by fsik (more from fsik) on Fri, 5 Mar 2004 08:18:23
In Reply to: DI failure risk: 2003?, egsAero, Fri, 5 Mar 2004 07:16:01
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Lessee, nontechnical...it takes the place of the coil and wires. The ECU uses the DI to fire the plugs directly, and there's circuitry in the DI that lets the ECU read back ionization currents from the plugs, essentially using them as knock sensors.
There's an 'improved' DI in 2003, and Saab released a Bulletin that said a new version of the ECU software 'extends the service life of the DI' but gave no details about how these things are improved.
--fsik
posted by 66.108.3...
Posts in this Thread:
- DI failure risk: 2003?, egsAero, Fri, 5 Mar 2004 07:16:01
- Re: DI failure risk: 2003?, Buzz Roberts, Sun, 7 Mar 2004 07:51:41
- Re: DI failure risk: 2003?, fsik, Fri, 5 Mar 2004 08:18:23 <-- Viewing This Message
- Re: DI failure risk: 2003?, Stephen Goldberger, Fri, 5 Mar 2004 08:04:12
- risk goes up as mileage goes above 60,000, but, TimBrown, Fri, 5 Mar 2004 07:41:23
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